| Altek Corporation Patent applications |
| Patent application number | Title | Published |
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| 20120127348 | IMAGE CAPTURING DEVICE AND IMAGE SYNTHESIS METHOD THEREOF - An image capturing device and an image synthesis method thereof are disclosed. The image capturing device includes an image capturing module, an exposure module, and a processing module. The image capturing module captures a scene image corresponding to a scene. The exposure module meters the light of scene to generate a plurality of histograms. The processing module calculates a plurality of discrete values of the scene image in different exposure conditions according to the histograms. Further, based upon at least two highest discrete values, the processing module processes the scene image to generate at least two temporary images in at least two different brightness conditions, and synthesizes the temporary images to generate a high dynamic range image. | 05-24-2012 |
| 20120124468 | Electronic Apparatus Having a Touch-Controlled Interface and Method of Displaying Figures Related to Files within a certain Time Period - An electronic apparatus having a touch-controlled interface includes a display unit, a touch-controlled unit, and a display interface. The touch-controlled unit is provided on the display unit, while the display interface is arranged on the display unit for showing figures related to files. When the touch-controlled unit is touched, a signal is generated to make the display interface respond. Further, the display interface shows a time scroll bar, and a user may touch different points of the time scroll bar to define a time period, and thus the display interface is made to show the figures of target files accessed in the time period. Furthermore, a display method includes steps of displaying the figures of files via the display interface, touching the time scroll bar on the display interface to define the time period, and displaying the figures of target files accessed in the time period via the display interface. | 05-17-2012 |
| 20120120284 | Electronic Apparatus, Image Capturing Apparatus and Method Thereof - The present invention discloses an electronic apparatus, an image capturing apparatus and a method thereof. The image capturing method comprises the steps of: capturing a plurality of temporal images by an image capturing module; setting one of the temporal images as a base image by a processing module; determining whether the difference between the temporal images and the base image is over a predetermined range by the processing module; if yes, deleting the temporal image by the processing module; combining the else temporal images and the base image and correspondingly generating an output image. | 05-17-2012 |
| 20120120279 | IMAGE CAPTURING DEVICE AND IMAGE SYNTHESIS METHOD THEREOF - The present invention discloses an image capturing device and an image synthesis method thereof. The image capturing device comprises an image capturing module, an exposure module, and a processing module. The image capturing module captures a high bit-depth scene image corresponding to a scene. The exposure module meters the light of the scene to generate a plurality of histograms. The processing module calculates a plurality of discrete values of different exposure conditions of the high bit-depth scene image based on the plurality of histograms, processes the high bit-depth scene image to generate at least two low bit-depth temporary images in different brightness conditions based on at least two highest discrete values, and synthesizes the at least two low bit-depth temporary images in different brightness conditions to generate a high dynamic range image. | 05-17-2012 |
| 20120120263 | Image Capturing Device and Exposure Time Adjusting Method Thereof - The present invention discloses an image capturing device and an exposure time adjusting method thereof. The image capturing device comprises an image capturing module, a processing module and an image integrated module. The image capturing module is used to capture a plurality of temporary images. While the image capturing module captures the temporary images, the processing module dynamically adjusts the exposure times of the temporary images according to a predetermined file, a plurality of analysis results of the temporary images or the vibration information sensed by a vibration sensor. Next, the image integrated module controlled by a control module in the processing module integrates the temporary images to generate a stored image. | 05-17-2012 |
| 20120106861 | IMAGE COMPRESSION METHOD - A compressing method is applicable to compress of an image at a fixed compression ratio, in which the image has a raw data. The compression method includes the steps of receiving the raw data with a predetermined length as a compression unit; compressing the compression unit into a compressed bit stream, wherein a total length of the compressed bit stream being not larger than a target bit stream length; when the total length of the compressed bit stream is smaller than the target bit stream length, appending a dummy code to the compressed bit stream, so that a bit stream length of the compressed bit stream with the dummy code is equal to the target bit stream length; and repeating steps until the raw data is compressed into an image bit stream. | 05-03-2012 |
| 20120106860 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing method applied to an image processing device is capable of implementing bitstream stitching technique after interrupting image processing process. The image processing method includes steps of processing the i-th slice of N slices in an image to generate a plurality of first processed data; storing the first processed data in a memory unit; once an interrupting request is generated according to a requested process, storing stitching information associated with the last first processed data after processing the i-th slice; stopping processing the image and executing the requested process according to the interrupting request; continuing to process the (i+1)-th slice of the N slices to generate a plurality of second processed data after the requested process is finished; and storing the second processed data after the last first processed data in the memory unit according to the stitching information. | 05-03-2012 |
| 20120106783 | OBJECT TRACKING METHOD - An object tracking method includes steps of obtaining multiple first classifications of pixels within a first focus frame in a first frame picture, wherein the first focus frame includes an object to be tracked and has a first rectangular frame in a second frame picture; performing a positioning process to obtain a second rectangular frame; and obtaining color features of pixels around the second rectangular frame sequentially and establishing multiple second classifications according to the color feature. The established second classifications are compared with the first classifications sequentially to obtain an approximation value, compared with a predetermined threshold. The second rectangular frame is progressively adjusted, so as to establish a second focus frame. By analyzing color features of the pixels of the object and with a classification manner, the efficacy of detecting a shape and size of the object so as to update information of the focus frame is achieved. | 05-03-2012 |
| 20120105596 | METHOD FOR COMPOSING THREE DIMENSIONAL IMAGE WITH LONG FOCAL LENGTH AND THREE DIMENSIONAL IMAGING SYSTEM - A method for composing a three dimensional image with a long focal length and a three dimensional imaging system are provided. First, a zoom lens is adjusted to a first focal length to capture a first image and a fixed focal lens is used to capture a second image. Next, the zoom lens is adjusted to a second focal length to capture a third image. Then, a region occupied by the third image in the first image is positioned, a first disparity map between the first and second image in the region is calculated and magnified to obtain a second disparity map. Finally, a fourth image simulating the image captured by the fixed focal lens with the second focal length is composed by using the third image and the second disparity map, and the third and fourth image are output as a three dimensional image. | 05-03-2012 |
| 20120105595 | METHOD FOR GENERATING THREE DIMENSIONAL IMAGE AND THREE DIMENSIONAL IMAGING SYSTEM - A method for generating a three dimensional image and a three dimensional imaging system are provided. The three-dimensional imaging system includes a left lens and a right lens. First, the left lens and the right lens are used to capture a left-eye image and a right-eye image. Next, the left-eye image and the right-eye image are analyzed, so as to find a left-eye overlapped image and a right-eye overlapped image. Then, color parameters of the left-eye overlapped image and the right-eye overlapped image are respectively calculated and used to adjust the color parameters of the whole left-eye image and the whole right-eye image, such that the color parameter of the left-eye overlapped image matches that of the right-eye overlapped image. Finally, the adjusted left-eye image and right-eye image are output as a three dimensional image. | 05-03-2012 |
| 20120098999 | IMAGE INFORMATION DISPLAY METHOD COMBINED FACIAL RECOGNITION AND ELECTRONIC DEVICE WITH CAMERA FUNCTION THEREOF - The present invention discloses an image information display method combined with facial recognition and an electronic device with camera function thereof. A camera module is used for capturing a plurality of images. A recognition module recognizes the facial features of persons in the image. A touch screen displays the image and a linking icon in an area of the image. While detecting that the link icon is touched, a processing module generates a display command and sends it to the touch screen. Thus, the touch screen shows a flip process and then displays the image information. Therefore, it is more convenient for users to use an electronic device with camera function. | 04-26-2012 |
| 20120093494 | SMART PHONE WITH LENS - The present invention discloses a smart phone with a lens comprising a main body, a circuit board, a lens module, a speaker module and a flash module. The main body includes a rear casing having a circuit board mount formed at a lower portion of an inner surface of the rear casing, a lens mount formed at a position adjacent to an upper side of the circuit board mount and attached onto a lateral edge of the rear casing, and a speaker mount formed at an upper edge of the inner surface of the rear casing corresponding to another lateral edge of the rear casing. The circuit board is mounted in the circuit board mount. The lens module is mounted in the lens mount. The speaker module is mounted in the speaker mount. The flash module is mounted between the lens module and the upper edge of the rear casing. | 04-19-2012 |
| 20120093394 | METHOD FOR COMBINING DUAL-LENS IMAGES INTO MONO-LENS IMAGE - A method for combining dual-lens images into a mono-lens image, suitable for a three-dimensional camera having a left lens and a right lens is provided. First, the left lens and the right lens are used to capture a left-eye image and a right-eye image. Next, a disparity between each of a plurality of corresponding pixels in the left-eye image and the right-eye image is calculated. Then, an overlap area of the left-eye image and the right-eye image is determined according to the calculated disparities of pixels. Finally, the images within the overlap area of the left-eye image and the right-eye image are combined into the mono-lens image. | 04-19-2012 |
| 20120092814 | ELECTRONIC DEVICE AND KEY SUPPORTING STRUCTURE THEREOF - An electronic device and a key supporting structure thereof are disclosed. The key supporting structure includes a main body, at least one operating key, and a supporting member. The main body includes an opening, within which the at least one operating key and a display device are located. The supporting member is located behind and corresponding to the at least one operating key for supporting the same. By providing the supporting member behind the operating key, the display device can be arranged to closely adjoin the operating key without the need of providing any frame structure between them while the electronic device can still have a structural strength satisfying product tests according to the relevant industry codes. Meanwhile, the display device can have the largest possible size on the electronic device. | 04-19-2012 |
| 20120092534 | IMAGE PROCESSING METHOD - An image processing method, applicable to a digital image device, includes the following steps. At least one original image of different brightness ranges is captured, and more images of different brightness ranges are generated from the original image by using an image post-processing technique. Based on characteristics of the image of each brightness range, the weights of the image of each brightness range are defined. Then, hierarchical fusion is performed on the images of the different brightness ranges according to weight relations, so as to form a high-dynamic-range image capable of presenting features of each brightness range. | 04-19-2012 |
| 20120092462 | METHOD AND APPARATUS FOR GENERATING IMAGE WITH SHALLOW DEPTH OF FIELD - A method and an apparatus for generating an image with shallow depth of field, suitable for a three-dimensional imaging system having a left lens and a right lens, are provided. First, the left lens and the right lens are used to capture a left-eye image and a right-eye image. Next, a disparity between each of a plurality of corresponding pixels in the left and right-eye images is calculated. Then, the depth information of each pixel is estimated according to a focus of the left and right lens, a lens pitch between the left lens and the right lens, and the calculated disparity of each pixel. Finally, the pixels in the left-eye image and the right-eye image are blurred according to the focus of the left lens and the right lens and the estimated depth information of each pixel, so as to obtain the image with shallow depth of field. | 04-19-2012 |
| 20120091945 | DIGITAL FLASH CHARGER CONTROLLER - A digital flash charger controller includes a transformer, a power supply element, and an application-specific integrated circuit (ASIC). A secondary side of the transformer is electrically connected to an energy storage device, and the power supply element is used to supply an electric power to a primary side of the transformer. The ASIC outputs a pulse-width-modulation (PWM) signal to control whether the electric power is input to the primary side, and the ASIC converts a sensing signal generated at the secondary side of the transformer to a digital signal, and tracks a sensing negative edge of the sensing signal according to the digital signal to adjust a cutoff time of the PWM signal, such that the next pulse positive edge approaches the corresponding sensing negative edge. | 04-19-2012 |
| 20120090879 | FLEXIBLE PRINT CIRCUIT BENDING METHOD FOR CONNECTING IN A PHONE AND FLEXIBLE PRINT - The present invention discloses a flexible print circuit board bending method for connecting in a smart phone and a flexible print circuit board thereof. In the method, several portions of a flexible print circuit board is bend to suit multiple electronic units mounted on the front or rear casing of a smart phone. Consequently, there is only one surface of the flexible print circuit board needs to be processed to dispose connecting points, so cost of manufacturing the smart phone could be decreased. Besides, bending the flexible print circuit board to suit the electronic units could avoid space waste in the smart phone, such that helps to efficiently narrow down the scale of the smart phone. | 04-19-2012 |
| 20120086836 | Electronic Apparatus, Image Capturing Apparatus, and Method Thereof - The present invention discloses an electronic apparatus, an image capturing apparatus and a method thereof. The image capturing method comprises the following steps of: capturing a plurality of temporal images by an image capturing module, and setting one of the temporal images as a base image by a processing module; dividing each temporal image into a plurality of temporal image blocks, and dividing the base image into a plurality of base image blocks by the processing module; determining whether the difference between each temporal image block and the corresponding base image block is lower than a threshold value by the processing module; integrating the temporal image block and the corresponding base image block to generate a final image by the processing module when the difference between the temporal image block and the corresponding base image block is lower than the threshold value. | 04-12-2012 |
| 20120069231 | UNLOCKING METHOD OF A TOUCH SCREEN AND ELECTRONIC DEVICE WITH CAMERA FUNCTION THEREOF - An unlocking method of a touch screen and an electric device with camera function thereof are disclosed. A camera module is used for capturing a plurality of images. A touch screen shows an application function icon, a shooting mode icon, an activate area and a slide path connecting the icons and the activate area while the touch screen is locked. A processing module is electrically connected with the camera module and the touch screen. While detecting that the application function icon or the shooting mode icon is dragged to the activate area through the slide path, the processing module transmits an unlocking signal to the touch screen. The touch screen unlocks according to the unlocking signal and shows a screen of application function operation or a screen of camera function. Therefore, users would feel more convenient than before while using an electric device with camera function. | 03-22-2012 |
| 20120063756 | PHOTOGRAPHIC DEVICE HAVING OPTICAL IMAGE STABILIZATION MODULE AND OPTICAL IMAGE STABILIZATION PHOTOGRAPHIC DEVICE HAVING PERIPHERAL DRIVER CHIP - A photographic device having an optical image stabilization (OIS) module includes a compensation unit, a first position sensor, a second position sensor, a first vibration detection unit, a second vibration detection unit, a first actuator, a second actuator and a central processing unit (CPU). The CPU includes an anti-shake processing unit. The anti-shake processing unit processes vibration signals output by the first vibration detection unit and the second vibration detection unit and position signals output by the first position sensor and the second position sensor, and drives the first actuator and the second actuator to adjust positions of the compensation unit in the first direction and in the second direction and further compensate the shake of the photographic device having the OIS module in the first direction and in the second direction. | 03-15-2012 |
| 20120062754 | METHOD FOR ADJUSTING SHOOTING PARAMETERS OF DIGITAL CAMERA - An adjusting method for adjusting shooting parameters is applied to adjust the shooting parameters according to stability of a camera. In the method, an image is captured first, and an edge-detection procedure is performed on the image to obtain a still value corresponding to a stable state of the camera. Then, shooting parameters, such as a photosensitivity value, an exposure time, or an aperture value, of the camera are adjusted according to the still value. | 03-15-2012 |
| 20120044389 | METHOD FOR GENERATING SUPER RESOLUTION IMAGE - A method generates a super resolution (SR) image by the steps of receiving a plurality of images corresponding to the same shot target; selecting one of the images as a basic image, and using the images except the basic image as a plurality of reference images; processing the reference images by using a geometric coordinate correction procedure according to the basic image, so as to generate a plurality of corrected images respectively corresponding to the reference images; and performing a resolution enhancement procedure on the basic image and the corrected images, so as to generate the SR image. | 02-23-2012 |
| 20120019709 | ASSISTING FOCUSING METHOD USING MULTIPLE FACE BLOCKS - A method using multiple face blocks for assisting focusing is applicable in an image capture device. The assisting focusing method includes the following steps. A focusing image is captured individually at a focusing distance. The focusing image has a plurality of face blocks. The face blocks in the focusing image are detected. Clarities of the face blocks in the focusing image are calculated with the image capture device. A face focal length corresponding to the face block is calculated according to the clarity corresponding to the face block. A target focal length is obtained according to the face focal length. | 01-26-2012 |
| 20120008038 | ASSISTING FOCUSING METHOD FOR FACE BLOCK - An assisting focusing method is applicable in an image capture device having an auto focusing (AF) procedure. The AF procedure has a preset sampling interval. The assisting focusing method includes the following steps. An image for focusing is captured. A face parameter of a face block in the image for focusing is calculated. According to the face parameter, a parameter-to-focus conversion table is looked up to acquire a focusing section. According to the focusing section and a face sampling interval, the AF procedure is performed to acquire a target focus. The face sampling interval is smaller than the preset sampling interval. | 01-12-2012 |
| 20120002081 | METHOD FOR ADJUSTING PHOTOSENSITIVENESS OF DIGITAL CAMERA - A method for adjusting photosensitiveness is able to determine a relative distance of an object in an image capture area through images captured before and after pre-flash of a flash lamp, so that the relative distance serves as a reference for adjusting current photosensitiveness of the digital camera, thereby capturing an image having better quality in a status that the flash lamp provides a fill light. | 01-05-2012 |
| 20110317932 | IMAGE COMPRESSION METHOD WITH VARIABLE QUANTIZATION PARAMETERS AND VARIABLE CODING PARAMETERS - An image compression method is used for processing a plurality of pixels of an image. The image compression method includes the steps of receiving N pixels; analyzing the N pixels and generating a content type corresponding to the N pixels; obtaining a quantization parameter and a coding parameter corresponding to the N pixels according to the content type and a currently available buffer space value; obtaining N quantized differences corresponding to the N pixels through a prediction and quantization way according to values of the N pixels and the quantization parameter; and encoding the N quantized differences according to the N quantized differences and the coding parameter. | 12-29-2011 |
| 20110310273 | RESOLUTION ADJUSTING METHOD - A method for adjusting resolution is applicable to an image capturing device, such that the image capturing device can analyze an amount of objects in the image captured thereby and determine a resolution for storing the image according to the amount of objects in the image, thereby making use of storage resources effectively. It is determined whether to zoom in/out the captured image or to lower the resolution of the image capturing device by analyzing the amount of the objects in the captured image and comparing the analyzed amount of the objects with one or more threshold values. | 12-22-2011 |
| 20110310263 | IMAGE RESOLUTION ADJUSTING METHOD - An image resolution adjusting method is applicable to an image capturing device, such that the image capturing device can analyze an image quality of the captured image and determine a resolution for storing a captured image according to a blur degree of the captured image. Therefore, it can make use of storage resources effectively. | 12-22-2011 |
| 20110299791 | LOSSLESS IMAGE COMPRESSION METHOD - A compression method is used for processing an image having a plurality of pixels, in which an image width of the image is W. The compression method includes the steps of selecting N continuous pixels from the image, where N is a positive integer greater than or equal to 2 and is less than the image width W; performing differential pulse code modulation (DPCM) so as to obtain N non-negative differences corresponding to the N pixels according to values of the N pixels; calculating to obtain a coding parameter according to the N non-negative differences; and coding the N non-negative differences according to the coding parameter. | 12-08-2011 |
| 20110299790 | IMAGE COMPRESSION METHOD WITH VARIABLE QUANTIZATION PARAMETER - An image compression method s used for processing a plurality of pixels of an image. The image compression method includes the steps of receiving N successive pixels; obtaining N pixel differences and N map differences corresponding to the N pixels according to values of the N pixels through differential pulse code modulation; calculating to obtain a quantization reference value corresponding to the N pixels according to the N pixel differences; obtaining a quantization parameter corresponding to the N pixels according to the quantization reference value; and encoding the N map differences according to the quantization parameter. | 12-08-2011 |
| 20110285876 | DIGITAL IMAGE CAPTURE DEVICE AND BRIGHTNESS CORRECTION METHOD THEREOF - A digital image capture device and a brightness correction method thereof are described. The digital image capture device is adapted to correct the brightness value of a shot object in a digital image through the compensation of a strobe during shooting. The method includes setting a shooting magnification of the digital image capture device to the shot object; capturing a pre-shot image at least including the image of the shot object; triggering a strobe to emit a main flash onto the shot object, so as to shoot a digital image; setting a plurality of light measuring areas in the digital image; calculating a corresponding object distance of the shot object from each of the light measuring areas; establishing a shading table according to each of the object distances; and loading the shading table to adjust the brightness value of each of the light measuring areas in the digital image. | 11-24-2011 |
| 20110255783 | IMAGE FILE PROCESSING METHOD - An processing method is used for processing an image file of an image, in which the image is divided into a plurality of image blocks, and at least one row of the minimum coded units sequentially define the image as a plurality of bands. The processing method includes the following steps. An image file of an image is supplied, in which the image file includes a bit stream and exchangeable image file (EXIF) data. A band indicator of the EXIF data is read according to an expanded range. A segment in the bit stream corresponding to a band encompassed by the expanded range is decoded according to the read band indicator corresponding to the band of the expanded range, so as to obtain the band. | 10-20-2011 |
| 20110235936 | ROUTABLE IMAGE PIPELINE DEVICE - An image pipeline device is used for processing an image. The device comprises an external memory, a direct memory access (DMA), an image pipeline controller, and a filter layer. The image pipeline controller comprises a physical memory allocation (PMA) having a physical buffer unit, and a first array controller for configuring the physical buffer unit as a corresponding first logic buffer unit. The filter layer comprises a first filter set electrically connected to the first array controller correspondingly and having a plurality of filters. The first filter set receives the image through the first array controller, processes the image selectively according to the first logic buffer unit and the filters, and stores the processed image back to the external memory through the DMA. | 09-29-2011 |
| 20110158628 | AUTOMATIC ADJUSTMENT METHOD OF CAMERA SAFE SHUTTER - An automatic adjustment method of camera safe shutter includes: count the number of taking pictures with the same exposure time and record their blur degree; determine whether the minimum among the taking pictures counts is arrived at a predetermined threshold, if yes, average all blur degree records which are related with the same exposure time to get an average blur index for each of the exposure times, if no, continue to count the number of taking pictures; determine the average blur indexes whether are all larger than a threshold value, if no, average several slowest exposure times whose average blur indexes are larger than the threshold value as a new safe shutter speed, if yes, select the fastest exposure time level among the levels which are slower than current safe shutter as a new safe shutter speed. Thereby, users can take clear pictures easily. | 06-30-2011 |
| 20110158515 | METHOD FOR REMOVING COLOR FRINGE IN DIGITAL IMAGE - A method for removing color fringe is presented. First, detection and correction of color fringe are performed on an original-size image and a small-size image respectively, so as to generate respective corrected images and corresponding color fringe maps. Then, the corrected small-size image and its corresponding color fringe map are enlarged to the same resolution as the original-size image. Finally, the two corrected images are blended according to the respective corresponding color fringe maps. | 06-30-2011 |
| 20110158514 | METHOD FOR REMOVING COLOR FRINGE IN DIGITAL IMAGE - A method for removing color fringe is presented. Separated luminance and chrominance (YCbCr) signals of a digital image are analyzed through specific color detection, luminance detection, and gradient color detection, so as to determine whether color fringe occurs to each pixel in the digital image, thereby correcting pixels with color fringe. | 06-30-2011 |
| 20110157465 | LOOK UP TABLE UPDATE METHOD - An update method for look up table (LUT) is suitable for an image processing apparatus. The image processing apparatus includes a multiple-interpolation lookup table device having an execution LUT, and the LUT update method updates the multiple-interpolation lookup table device according to a source LUT. The update method includes the steps of dividing the source LUT into a plurality of sub LUTs; and using the sub LUTs to respectively update content of the execution LUT in a plurality of vertical blanking intervals (VBIs). | 06-30-2011 |
| 20110157426 | VIDEO PROCESSING APPARATUS AND VIDEO PROCESSING METHOD THEREOF - A video processing apparatus and a video processing method are used to capture a view region as a video result. The video processing apparatus includes a video sensor, a temporary memory, and a video pipeline. The video sensor captures the view region at a sensor frame rate and generates a video having a plurality of frames. The video pipeline receives one of the frames directly from the video sensor to serve as a first frame. The video pipeline processes the first frame to generate a temporary result frame, and then generates a video result at a video frame rate according to the temporary result frame and a second frame directly received from the video sensor, wherein the video frame rate is smaller than the sensor frame rate. The video processing method captures the view region as the video result by using the video processing apparatus. | 06-30-2011 |
| 20110157392 | METHOD FOR ADJUSTING SHOOTING CONDITION OF DIGITAL CAMERA THROUGH MOTION DETECTION - A method for adjusting a shooting condition of a digital camera through motion detection is applied to determine a shooting parameter of the digital camera. The adjusting method includes the following steps. At least two consecutive images, namely a first pre-capture image and a second pre-capture image, are selected. The first pre-capture image and the second pre-capture image are divided into a plurality of selection blocks. A motion vector of each selection block is calculated. The motion vector of each selection block is used to generate a background dominant motion vector of the camera sloshing and a self-movement vector of the shot object. The background dominant motion vector is subtracted from the self-movement vector of the shot object, so as to obtain a corrected foreground motion vector. According to the size of the corrected foreground motion vector, the corresponding shooting parameter is determined. | 06-30-2011 |
| 20110149089 | SYSTEM AND METHOD FOR GENERATING AN IMAGE APPENDED WITH LANDSCAPE INFORMATION - A system and method for generating an image appended with extra landscape information are disclosed. An image recorder is provided, and having a global-positioning system, an electronic compass, a gyro sensor, and an accelerometer for determining the space information as capturing an image. Under the determination, the space information can include a view angle, a direction, an elevation angle, and a coordinate. The information is used to compare with the content of a database, in order to obtain the landscape information of the image. After that, an image appended with the landscape information is generated. Thereby, the image appended with the landscape information may be used for generating a space map and be a liveview of the recorder. | 06-23-2011 |
| 20110129127 | OBJECT IMAGE CORRECTION APPARATUS AND METHOD FOR OBJECT IDENTIFICATION - An object image correction apparatus and method for object identification are disclosed. The object image correction method is firstly used for correcting a face or an object under a right position. For example, in order to reduce time consumption for facial identification, the method corrects the deviations such as a rotation, direction, and scaling before an identification process. Preferably, an image is retrieved in a first step. One or more object positions are then detected. Next, some positions of the features are found, and the positions of plural feature points thereon are computed. The method then goes to determine the degree of deviations for the object based on the positions of feature points. Moreover, one or in combination of a rotation correction, a scaling correction, a direction correction, and a shift correction is introduced to process the correction on each deviation. The positions of the feature points are consequently obtained. | 06-02-2011 |
| 20110085053 | AUTOMATIC FOCUSING SYSTEM IN LOW-ILLUMINATION SETTING AND METHOD USING THE SAME - An automatic focusing system in a low-illumination setting and a method using the same are disclosed. Through a selection of the memory bits and a tone adjustment, an automatic focusing could be precisely achieved. According to one embodiment, a lens module and an image sensor are firstly used for generating the digital image signals. Next, a gain adjustment unit is introduced to adjusting the gain of the signals, so as to reduce the noises. A memory bit retrieving unit is further used to retrieve the data from a plurality of memory bits. Next, a tone adjusting process is performed to raise the signals' contrast. | 04-14-2011 |
| 20110081086 | NOISE SUPPRESSION METHOD USING MULTIPLE DIGITAL - A noise suppression method using multiple digital images performs a de-noising process with the multiple digital images. First, a feature weighting procedure and an image feature compensation of a target pixel are performed on each digital image, and then a cross reference is performed on the multiple continuous or similar digital images to suppress noises for the target pixel. | 04-07-2011 |
| 20110080501 | DIGITAL CAMERA CAPABLE OF DETECTING NAME OF CAPTURED LANDMARK AND METHOD THEREOF - A digital camera capable of detecting a name of a captured landmark is described. The digital camera includes an environmental condition capturer, a liquid crystal display (LCD) unit, and a map data table. The map data table includes a plurality of landmark names and a plurality of landmark coordinates corresponding to the landmark names. A method for detecting the name of the captured landmark using by the digital camera includes the steps of capturing an image, and obtaining a focusing distance, in which the image includes at least one of the captured landmark; capturing an environmental condition including shooting information and searching information; obtaining a search focus range according to the environmental condition and the focusing distance; and looking up the map data table according to the search focus range and the shooting information to obtain an output coordinate and the landmark name corresponding to the captured landmark. | 04-07-2011 |
| 20110069886 | NOISE SUPPRESSION METHOD FOR DIGITAL IMAGE - A noise suppression method for a digital image is described, which utilizes an adjacent area of a target pixel in the digital image to conduct a denoising process on the target pixel. The noise suppression method includes the following steps. A feature-weighted processing procedure is performed on each original pixel in the digital image to convert the original pixel into a feature-weighted pixel. According to a position of the target pixel in the digital image, a reference pixel is selected from a corresponding position in the feature-weighted image. Similarities of the reference pixel relative to the other feature-weighted pixels are respectively computed. Through the computed similarities, a feature-weighted pixel for compensation is selected from the feature-weighted pixels other than the reference pixel. Finally, noise suppression is performed on the reference pixel by using the feature-weighted pixel for compensation. | 03-24-2011 |
| 20110069190 | FAST FOCUSING METHOD FOR DIGITAL CAMERA - A fast focusing method for a digital camera is applied in the digital camera to judge whether a focusing focal length of the digital camera needs to be adjusted in an auto focusing stage. The fast focusing method includes capturing a target image at a reference focal length; performing a blur detection procedure on the target image to acquire a focus value; setting a focusing focal length range covering the reference focal length when the focus value is between a lower limit focusing threshold and an upper limit focusing threshold; capturing corresponding comparison images at different focusing focal lengths respectively in the focusing focal length range; calculating a contrast value of each comparison image; and calculating the contrast values and a target focal length through a quadratic curve approximation method, and adjusting lenses of the digital camera to the set target focal length to perform shooting. | 03-24-2011 |
| 20110063494 | CONTINUOUS FOCUSING METHOD FOR DIGITAL CAMERA - A continuous focusing method for a digital camera is described, which is applicable to determine whether the digital camera performs a focusing procedure or not when the digital camera switches from a first scene to a second scene in a live view stage. The continuous focusing method includes the following steps. A preview image of a second scene is obtained. A blur detection procedure is performed on the preview image, so as to acquire a corresponding focus value. It is determined whether the focus value exceeds a focusing threshold value or not; if not, a focusing procedure is performed; otherwise, if the focus value is greater than the focusing threshold value, the digital camera still maintains a current focusing focal length, which represents that a focusing focal length of the second scene is the same as that of the first scene. | 03-17-2011 |
| 20110058096 | FAST FOCUSING METHOD FOR DIGITAL CAMERA - A fast focusing method for a digital camera is applied in an auto focusing stage for judging whether the digital camera needs to be refocused. The fast focusing method includes recording a system time after a previous focusing (defined as a first time); capturing a system time before a current focusing (defined as a second time); performing a fuzziness detection procedure to acquire a focus value when a difference obtained by subtracting the first time from the second time is greater than a focusing time threshold; setting a focusing focal length range covering a reference focal length when the focus value is between a lower limit focusing threshold and an upper limit focusing threshold; capturing images at different focusing focal lengths respectively in the focusing focal length range; calculating a contrast value of each image; calculating a target focal length from the contrast values through a quadratic curve approximation method. | 03-10-2011 |
| 20110058095 | METHOD FOR USING FLASH TO ASSIST IN FOCAL LENGTH DETECTION - A method for assisting in focal length detection is applicable to a digital camera having the flash. The method includes the following steps. First, the flash of the digital camera is actuated and a first image is captured. Afterwards, a characteristic exposure value of the first image is calculated. A focus range comparison table is looked up according to the characteristic exposure value to obtain an initial focus position. Then, a focus procedure is performed according to the initial focus position to obtain a target focal length. | 03-10-2011 |
| 20110050937 | BACKLIGHT PHOTOGRAPHING METHOD - A backlight photographing method is applicable in a digital camera. In the backlight photographing method, a backlight detection program is first executed to obtain a backlight flag. Next, when the backlight flag is in a backlight status, a flash is emitted and a photo is photographed. In addition, photographing parameters of the digital camera may be adjusted according to a low brightness characteristic value acquired by the backlight detection program, so as to obtain a photo having a foreground with a preferred exposure effect. | 03-03-2011 |
| 20110050661 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device is capable of automatically adjusting a color display parameter according to external light. The LCD device includes an LCD panel, a backlight module, a photosensitive module, and a controller. The LCD panel has a display region and a light-incident region. The backlight module is disposed below the LCD panel and corresponding to the display region. The photosensitive module is disposed below the LCD panel and corresponding to the light-incident region, for receiving an optical signal passing through the LCD panel and converting the optical signal into an electrical signal. The controller is electrically connected to the LCD panel and the photosensitive module, for automatically adjusting a color display parameter of the LCD panel according to the electrical signal. | 03-03-2011 |
| 20110043682 | METHOD FOR USING FLASH TO ASSIST IN FOCAL LENGTH DETECTION - A method for assist in focal length detection is adapted to a digital camera having a flash. The method includes the following steps. First, the flash of the digital camera is actuated and an image having a face portion is captured. Afterwards, an exposure feature value of the face portion in the image is calculated. A focus range comparison table is looked up according to the exposure feature value to obtain an initial focus position. Then, a focus procedure is performed according to the initial focus position to obtain a target focal length. After the target focal length is obtained, a flash feature value of the image is further calculated, and a guide number (GN) and a diaphragm value are set according to the flash feature value. | 02-24-2011 |
| 20110032394 | METHOD FOR REDUCING SMEAR EFFECT OF DYNAMIC IMAGE - A method for reducing smear effects of a dynamic image is for an image sensor. The image sensor converts a shot image picture into image data, and the image data is divided into an effective region, an upper optical black region (UOB), and a lower optical black region (LOB). The method includes capturing two continuous image data to serve as a first frame image and a second frame image; calculating brightness difference values between individual pixels at corresponding pixel positions of the LOB of the first frame image and the UOB of the second frame image; comparing the brightness difference values with a threshold; obtaining positions to be compensated in the UOB of the second frame image, when the UOB of the second frame image requires brightness compensation; and compensating brightness values of pixels in the effective region of the second frame image corresponding to the positions to be compensated. | 02-10-2011 |
| 20110032385 | IMAGE POSITIONING METHOD, POI TAGGING METHOD AND THE APPARATUS - An image positioning method, a POI tagging method and an apparatus therefor are described. The method is particularly to define a range corresponding to a positioning value translated by a global positioning system. Further, a point-of-interest (POI) is tagged according to the defined range. In an exemplary example, if there is no positioning signal detected as photographing an image, a previously received positioning signal is used to be the positioning value for the image. According to the preferred embodiment of the tagging method, an image is taken firstly, and then it's to determine a positioning value for the image. In which the positioning value may be determined on the instant of photographing. Alternatively, the positioning value may be retrieved from the image's attribute through playback software. Thereby, a range associated with the positioning value is defined. A corresponding point-of-interest is tagged to the image's attribute afterward. | 02-10-2011 |
| 20110019013 | METHOD FOR ADJUSTING PHOTOGRAPHING SETTINGS OF DIGITAL CAMERA THROUGH MOTION DETECTION - A method for adjusting photographing settings of a digital camera through motion detection, for determine to adjust the photographing settings of the digital camera according to vibrations of the digital camera or shaking of a photographed object. The adjusting method includes the following steps. At least two continuous pre-photographed images are captured. A central area and an edge area are set at same positions in the pre-photographed images respectively. Feature points are found in the pre-photographed images. A local motion vector and a camera motion vector are respectively determined according to a relation of the feature points on the central area and the edge area. A subject motion vector is generated according to a difference between the local motion vector and the camera motion vector. Adjustment of the photographing settings of the digital camera is determined according to a maximum value in the subject motion vector and camera motion vector. | 01-27-2011 |
| 20110012989 | GUIDING METHOD FOR PHOTOGRAPHING PANORAMA IMAGE - A guiding method for photographing a panorama image is described. A motion vector between a current position of an alignment image in a real-time image and a joint position of the alignment image in the real-time image, and a direction indicator relative to the motion vector is displayed, such that when the digital camera device displays the real-time image, the digital camera device may display the direction indicator to guide a photographing position of a next image for a user, thereby simplifying the photographing of a panorama image and greatly decreasing an incidence that the user fails to photographing a panorama image. | 01-20-2011 |
| 20100321524 | SHARPNESS PROCESSING METHOD AND SYSTEM FOR DIGITAL IMAGE - A sharpness processing method and system for a digital image are applied to an image capturing device for capturing a raw image. The method includes the steps. An image processing procedure is performed on the raw image to generate a registered image. A first sharpness enhancement table and a second sharpness enhancement table respectively sharpness attenuation at an outer-edge region and a central region of the registered image are loaded, and a range between the outer-edge region and the central region is defined as a plurality of critical regions. A sharpness enhancement weight table is loaded, and weight values of each critical region respectively corresponding to the first sharpness enhancement table and the second sharpness enhancement table are searched, for obtaining a sharpness enhanced value of each critical region. An image sharpness processing procedure is performed on the critical region, for correct the registered image into a digital image. | 12-23-2010 |
| 20100310162 | COLOR INTERPOLATION METHOD FOR DIGITAL IMAGE - A color interpolation method for a digital image is described, includes the following steps. Edge information is generated according to the Bayer pattern. A Bayer pattern image is processed by a horizontal band-pass filter and a vertical band-pass filter to generate a horizontal edge signal and a vertical edge signal. A weight process implements a weight adjustment on the horizontal edge signal and the vertical edge signal to generate a luminance signal and outputs the luminance signal to a subtraction unit. The subtraction unit carries out an operation according to the Bayer pattern image and an output result of the weight process to generate a chrominance pattern. The chrominance pattern is compensated through a chrominance interpolation process, so as to generate image signal patterns of different colors. The image signal patterns of different colors are output to an adder for an add operation, thereby outputting a complete color image. | 12-09-2010 |
| 20100302406 | METHOD FOR COMPENSATING IMAGE DATA - A method for compensating image data is adapted for an image sensor. The image sensor has a plurality of photo sensors arranged in an effective region and an optical black region. The method for compensating image data includes a plurality of monochromatic light representative values S | 12-02-2010 |
| 20100246949 | COMPENSATION METHOD FOR REMOVING IMAGE NOISE - A compensation method for removing an image noise is applicable to compensate for noises generated by Bayer pattern color interpolation. The compensation method includes the following steps selecting a partial region in the Bayer pattern to set a selection region; selecting a plurality of color units from the selection region one by one, in which each of the color units at least includes a green pixel, a red pixel, and a blue pixel; sequentially performing a color weight adjustment on the green pixel, the red pixel, and the blue pixel; and compensating for the pixel in the selection region according to each color weight, so as to generate a recovered pixel. | 09-30-2010 |
| 20100208990 | COMPENSATION METHOD FOR ALLEVIATING COLOR SHADING IN DIGITAL IMAGE - A compensation method for alleviating color shading in a digital image is adapted to correct a color shading phenomenon in a digital image that causes luminance differences between regions in the digital image. The compensation method includes capturing a uniform color block image; calculating horizontal compensation coefficients of a plurality of horizontal segments of the color block image; performing a linear interpolation process on the horizontal compensation coefficients to generate corresponding horizontal interpolation coefficients, and calculating determination horizontal correction coefficients corresponding to all the horizontal segments, respectively; calculating vertical compensation coefficients of a plurality of vertical segments; multiplying the determination horizontal correction coefficients by the vertical compensation coefficients, respectively, so as to obtain a color shading compensation coefficient of each segment, respectively; and multiplying an average luminance value of each segment by a corresponding color shading compensation coefficient, respectively, thus compensating for color shading in the color block image. | 08-19-2010 |
| 20100194852 | AUTOMATIC CAPTURING METHOD OF A PANORAMIC IMAGE FOR A DIGITAL CAMERA - An automatic capturing method of a panoramic image for a digital camera panoramic image is presented. In the method, a motion vector value of an alignment image selected from a first image captured by the digital camera in a real-time image is continuously tracked, calculated, and accumulated to obtain an accumulated motion vector value. When the accumulated motion vector value reaches a preset threshold value, the digital camera is automatically driven to capture a second image, so as to stitch and blend the first image and the second image into a panoramic image. Through the automatic image capture mode, operations for capturing the panoramic image are simplified. | 08-05-2010 |
| 20100166331 | METHOD FOR BEAUTIFYING HUMAN FACE IN DIGITAL IMAGE - A method for beautifying a human face in a digital image is adapted to beautify a face area of an input image. The method includes setting a selection window to select a partial image area in the input image; setting a target pixel in the selection window, and setting other pixels as comparison pixels; performing a detail checking process according to a variance between the target pixel; performing a luminance checking process on the target pixel to determine; performing a nonlinear filtering process to filter the target pixel by using a nonlinear filter to generate a filtered value, and providing a mixing ratio to mix the target pixel with the filtered value at the mixing ratio to generate a completed pixel; replacing the original target pixel with the completed pixel; and repeating the above steps until all pixels are completed. | 07-01-2010 |
| 20100166310 | METHOD OF ESTABLISHING SKIN COLOR MODEL - A method of establishing a skin color model includes the following steps. A human face detecting procedure is performed on an input image, and a human face area in the input image is circled through a selecting window. A skin color model is established by using a Gaussian probability distribution function (PDF) according to color information in the selecting window. When the skin color model established in the above step is applied to skin color detection, pixels having the skin color in the input image are detected through the skin color model and a Mahalanobis distance computing procedure. | 07-01-2010 |
| 20100166304 | Method for Adjusting Skin Color of Digital Image - A method for adjusting a skin color of a digital image adjusts the skin color of an input image. The method includes performing a skin color detection process on the input image to generate a skin-color probability plot Sp in a size corresponding to the input image; providing a hue-saturation lookup table named LUT_Color; performing a skin-color reproduction process on the input image to look up the LUT_Color for a chrominance pixel value for each pixel value of the input image to generate a first image, and adjust each pixel value of the first image by using the skin-color probability plot Sp to generate a second image; performing a skin color smoothing process on the second image to generate a third image; and mixing pixel values of the input image and the third image to generate a target image. | 07-01-2010 |
| 20100166045 | METHOD FOR OBTAINING PRECISE SAMPLING FREQUENCY OF GLOBAL POSITIONING SYSTEM (GPS) - A method for obtaining a precise sampling frequency of a global positioning system (GPS) is applied in a GPS receiver. First, a radio frequency (RF) module of the GPS receiver is used to receive a satellite signal from at least one satellite. Then, a plurality of code delays of the satellite signal is calculated at a fixed time interval, and time differences between all adjacent two code delays among all the obtained code delays are calculated to obtain a plurality of time differences. Next, a mean value of all the obtained time differences is calculated. At last, a ratio between 1000 times of the mean value and the fixed time interval is calculated to obtain an error value, and the error is added to a standard sampling frequency of the RF module to obtain a new sampling frequency. | 07-01-2010 |
| 20100165178 | ADJUSTING METHOD OF FLASH INTENSITY - An adjusting method of flash intensity is applied in an image capture apparatus with a flash lamp, where two pre-flash images corresponding the object are retrieved under two different pre-flash lights, respectively, and then a flash intensity of main-flash light is calculated according to one of the retrieved pre-flash images, so as to retrieve a main-flash image corresponding the object under the main-flash light with the calculated main-flash light. | 07-01-2010 |
| 20100165177 | AUTOMATIC FOCUSING METHOD IN HIGH-NOISE ENVIRONMENT AND DIGITAL IMAGING DEVICE USING THE SAME - An automatic focusing method in a high-noise environment and a digital imaging device using the same are used for determining an object distance. The method includes taking two digital images at a farthest object distance and taking two digital images at a nearest object distance, under a first exposure condition and a second exposure condition; capturing digital images under the first exposure condition at a plurality of different object distances other than the farthest and nearest object distances; selecting at least two images captured at adjacent object distances to create a composite image; calculating an object distance of the composite image; calculating high-frequency signals of the second farthest object distance image, the second nearest object distance image, and the composite image in the focusing frame; determining from the images an object distance corresponding to the maximum high-frequency signal; and moving an automatic focusing lens to the object distance. | 07-01-2010 |
| 20100165174 | AUTOMATIC FOCUSING METHOD AND DEVICE IN HIGH-NOISE ENVIRONMENT - An automatic focusing method and device in a high-noise environment are used for determining a focusing distance between a digital imaging device and an object to be photographed. The automatic focusing method includes the steps of capturing M pre-photographed images at different object distances respectively; loading the pre-photographed images; superposing every N (N| 07-01-2010 | |
| 20100165154 | NOISE ELIMINATION METHOD OF IMAGE SEQUENCE - A noise elimination method of an image sequence is described. During a color separation of a raw image data captured by an image capturing element, 3D filtering is integrated. First, the raw image data is converted into a gray-scaled full luma image, an interframe filtering process is performed to eliminate possible noises in the gray-scaled full luma image, and an interpolation process is performed with the raw image data. During the implementation, an adaptive frame average filtering process is also performed to obtain a preferred image filtering result through an appropriate filtering manner. Therefore, an adaptive interframe interpolation for eliminating noises is to prevent noises or artifacts generated by the noises from affecting the subsequent image processing. | 07-01-2010 |
| 20100165075 | METHOD FOR AUTOMATICALLY SHOOTING PANORAMIC IMAGE BY DIGITAL IMAGE PICKUP DEVICE - A method for automatically shooting a panoramic image by a digital image pickup device is described. In the method, a pixel error value between a real-time image and an alignment image overlapped with each other is continuously compared and calculated. When the pixel error value is smaller than a preset threshold value, the digital image pickup device is automatically driven to shoot a second image to be stitched and blended with a previous image into a panoramic image. The shooting of the panoramic image is simplified by using automatic image capturing. | 07-01-2010 |
| 20100164799 | ELECTRONIC DEVICE AND METHOD FOR SEARCHING SATELLITES - A method for searching satellites includes obtaining a position information, obtaining a time information, calculating a regional range according to the position information, finding out numbers of target satellites corresponding to the time information and within the regional range from ephemeris data in an ephemeris database, searching the target satellites corresponding to the numbers, and receiving the satellite signals from each searched target satellite. In an electronic device capable of searching satellites, an operation interface is used to output the position information, and a calculation unit is used to calculate the regional range according to the received position information. A look-up unit is electrically connected to the ephemeris database, and used to find out the numbers of the target satellites corresponding to time information and within the regional range from the ephemeris data. | 07-01-2010 |
| 20100164797 | METHOD FOR TRACKING SATELLITES WITH MULTIPLE-FREQUENCIES - A method for tracking satellite with multiple-frequencies includes setting a first tracking frequency, tracking a satellite with the first tracking frequency to obtain a first tracking result at a first time point, estimating a second tracking frequency at a second time point according to the first tracking result at the first time point, adjusting the second tracking frequency in a predetermined range to obtain preparatory frequencies, tracking the satellite with the preparatory frequencies to obtain second tracking results, and reviewing strength of received signal of each second tracking result to select the strongest one, and setting the preparatory frequency used to obtain the strongest received signal as a determined tracking frequency to be used to form the communication between a global positioning system (GPS) device and the satellite, repeating the above steps, thereby maintaining the communication with a best tracking frequency between the GPS device and the satellite. | 07-01-2010 |
| 20100164796 | METHOD FOR TRACKING SATELLITE SIGNAL BY GPS - A method for tracking a satellite signal by a GPS includes the following steps. Data is continuously received from one of satellites by using tracking frequencies updated one by one based on an average phase difference of received data. Phase inversion points in the plurality of received data are interpreted. A time difference between each two adjacent phase inversion points among the phase inversion points is calculated. It is determined whether each time difference is an integral multiple of 20 ms. When each time difference is an integral multiple of 20 ms, 1-bit data is retrieved for every 20 ms from the satellite signal by taking a first phase inversion point among the plurality of phase inversion points as a starting point. Thus, a positioning speed is increased and a required positioning time is reduced by finding out a precise tracking frequency and a correct phase inversion point. | 07-01-2010 |
| 20100164795 | ELECTRONIC DEVICE FOR DECODING NAVIGATION DATA BY USING PHASE ANGLE VARIATION AND METHOD THEREOF - An electronic device for decoding a navigation data by using a phase angle variation and a method thereof are described, which includes the following steps. A phase angle difference between the first phase angle of the first navigation data and the second phase angle of the second navigation data from a satellite signal is calculated. When the phase angle difference is greater than 90 degrees, the first navigation data and the second navigation data are determined to have opposite signs. The second navigation data according to the first navigation data and the result is determined. Therefore, each data is interpreted through directly comparing whether the phase angle difference with the previous data is greater than 90 degrees or not, so that the correct rate in decoding the navigation data is increased. | 07-01-2010 |
| 20100164794 | METHOD FOR OBTAINING PRECISE INTERMEDIATE FREQUENCY OF GLOBAL POSITIONING SYSTEM (GPS) - A method for obtaining a precise intermediate frequency for a global positioning system (GPS) is applied in a GPS receiver having a radio frequency (RF) module. Using a satellite signal received by the RF module, ephemeris data of a satellite is completely obtained, and present coordinate of the GPS receiver is calculated. First coordinate of the satellite at first time point and second coordinate of the satellite at second time point are calculated using the ephemeris data. Then, traveling speed of the satellite and projection value of the traveling speed on position vector from the first coordinate to the present coordinate are calculated using the first time point, the first coordinate, the second time point, and the second coordinate. Finally, the precise intermediate frequency is calculated using the signal frequency, a carrier frequency of the satellite, the projection value, and velocity of light. | 07-01-2010 |
| 20100164793 | SATELLITE INFORMATION OPERATION METHOD OF GPS DEVICE - A satellite information operation method of a GPS device includes following steps. An antenna module is provided, so as to receive a satellite signal. A signal processing circuit is provided, so as to perform an analog-to-digital conversion on the satellite signal and obtain a plurality of first digital data. A memory with a comparison table stored therein is provided, and the comparison table records corresponding relations between a plurality of second digital data and a plurality of return values. A CPU is provided, which groups the first digital data in sequence by using a bit number of any second digital data in the comparison table, obtains each of the second digital data consistent with each group of first digital data through comparison, and looks up a corresponding return value according to each of the second digital data obtained through comparison to continue the operation according to the obtained return value. | 07-01-2010 |
| 20100156718 | METHOD FOR CALCULATING CURRENT POSITION COORDINATE - A method for calculating current position coordinate is applied to a global positioning system (GPS) receiver. When positioning at a current time point, the GPS receiver directly calculates a code delay and a carrier frequency of each satellite and position coordinate of the GPS receiver at a current positioning time point by utilizing an ephemeris data of each satellite and position coordinate of the GPS receiver at a last positioning time point, thereby greatly lowering an operation amount, so as to reduce the power consumption. | 06-24-2010 |
| 20100156717 | METHOD FOR OBTAINING CORRECT PHASE INVERSION POINTS IN SIGNAL OF GPS - A method for obtaining correct phase inversion points in a signal of global positioning system (GPS) includes the following steps. A satellite signal from one of a plurality of satellites is received continuously. A plurality of phase inversion points in the received satellite signal is interpreted. Each time difference between each two adjacent phase inversion points among the plurality of phase inversion points is calculated. It is determined whether each of the time differences is an integral multiple of 20 milliseconds. A data is retrieved every 20 milliseconds from the satellite signal by using a first phase inversion point in the plurality of phase inversion points as a starting point when each of the time differences is an integral multiple of 20 milliseconds. By finding out a plurality of correct phase inversion points in the satellite signal, the positioning speed is increased, and thus a positioning time required is reduced. | 06-24-2010 |
| 20100156716 | METHOD FOR OBTAINING PRECISE TRACKING FREQUENCY OF GPS SIGNAL - A method for obtaining a precise tracking frequency of a global positioning system (GPS) signal is described, which includes the following steps. A plurality of data from a satellite is continuously received. Each data has a tracking frequency. A plurality of phase differences of the received data is calculated. A phase difference average of the obtained phase differences is calculated. A frequency difference is calculated by the calculated phase difference average and a constant frequency parameter. A new tracking frequency is calculated by the frequency difference and a tracking frequency of the last data among the plurality of received data. A next data is received by the calculated new tracking frequency. A new tracking frequency is obtained by repeatedly calculating the average phase differences of the plurality of data received from the satellite and a constant frequency parameter, so as to obtain the most precise tracking frequency. | 06-24-2010 |
| 20100149380 | DIGITAL IMAGE CAPTURE DEVICE AND BRIGHTNESS CORRECTION METHOD THEREOF - A digital image capture device and a brightness correction method thereof are described. The digital image capture device is adapted to correct the brightness value of a shot object in a digital image through the compensation of a strobe during shooting. The method includes setting a shooting magnification of the digital image capture device to the shot object; capturing a pre-shot image at least including the image of the shot object; triggering a strobe to emit a main flash onto the shot object, so as to shoot a digital image; setting a plurality of light measuring areas in the digital image; calculating a corresponding object distance of the shot object from each of the light measuring areas; establishing a shading table according to each of the object distances; and loading the shading table to adjust the brightness value of each of the light measuring areas in the digital image. | 06-17-2010 |
| 20100149034 | METHOD FOR CALCULATING CURRENT POSITION COORDINATE AND METHOD FOR CALCULATING PSEUDO RANGE - A method for calculating current position coordinate and a method for calculating a pseudo range are applied to a global positioning system (GPS) receiver. A position coordinate of the GPS receiver at the positioning time point is calculated through an average pseudo range between the GPS receiver and each satellite at a positioning time point. With regard to calculating the average pseudo range between the GPS receiver and each satellite, for each satellite, original pseudo ranges are obtained through calculating a pseudo range between the satellite and the GPS receiver at each millisecond (ms) in a time range including the positioning time point, and then the average pseudo range between the satellite and the GPS receiver at the positioning time point is obtained through calculating an average value of the obtained original pseudo ranges between the GPS receiver and the satellite. | 06-17-2010 |
| 20100141737 | METHOD FOR REAL-TIME PROMPTING STITCHING DEGREE OF PANORAMIC IMAGE - A method for real-time prompting a stitching degree of a panoramic image applied to a digital image pickup device. At first, a boundary band of a first image is captured to obtain an boundary image, and a second image is detected. Next, the boundary image and a local image of the second image are merged, and an association value of the boundary image and the local image of the second image is calculated. Then, the second image after being merged with the boundary image and a prompt signal corresponding to the association value are displayed on a screen. | 06-10-2010 |
| 20100123806 | IMAGE COMPENSATION METHOD AND IMAGE ACQUISITION DEVICE USING THE SAME - An image compensation method adapted to reduce noise of a first image captured by an image acquisition device at a high ISO mode. The image compensation method includes the following steps. A Bayer pattern is obtained from the first image. A green pixel signal, a low-resolution binned original luminance signal, and an original chrominance signal are respectively generated according to the Bayer pattern. A high-resolution analog luminance signal is generated by using the green pixel signal. The high-resolution analog luminance signal and the low-resolution binned original luminance signal are combined, and a compensated high-resolution luminance signal is output. A second image is generated by combining the compensated high-resolution luminance signal and the original low-noise chrominance signal. | 05-20-2010 |
| 20100123804 | EMOTION-BASED IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An emotion-based image processing apparatus includes a shutter button for producing a first and a second control signal respectively according to different pressed stages, an image capturing unit for sensing an image data and sending an expression analysis instruction when it receives the first control signal and capturing the image data when it receives the second control signal, an expression database for storing expression feature information and corresponding image processing procedures, an expression analysis unit for receiving an expression analysis instruction to recognize face features in the image data and determine the expression feature information corresponding to the face features, and an image processing unit for performing the image processing procedures according to the determined expression feature information to process the image data captured by the image capturing unit. | 05-20-2010 |
| 20100123789 | METHOD OF AUTO-RETRACTING LENS OF IMAGE CAPTURE APPARATUS AND CONTROL SYSTEM USING THE SAME - A method of auto-retracting a lens of an image capture apparatus and a control system using the same are applied to an image capture apparatus with a retractable lens. The method includes the following steps. A hardware circuit of the image capture apparatus detects whether an abnormal power failure event occurs or not. The hardware circuit performs a re-boot procedure when detects that the abnormal power failure event occurs. After the hardware circuit performs the re-boot procedure, software in the image capture apparatus utilizes residual power only to perform a control procedure of retracting the lens. After the retractable lens is detected to have been retracted into the image capture apparatus, the software controls the image capture apparatus to be powered off. | 05-20-2010 |
| 20100103285 | METHOD AND ELECTRONIC DEVICE FOR ADJUSTING COMPRESSION RATIO OF JPEG IMAGE - A method and an electronic device for adjusting a compression ratio of a JPEG image are used to adjust a size of a JPEG image file. The method includes the following steps. a raw image, a first compression parameter (SF1) and a second compression parameter (SF2) are obtained. Then, the first compression parameter and the second compression parameter is used to compress the raw image respectively to obtain a first file and a second file of the compressed raw image A target file size (Target) is set. The target file size, the size of the first file (FileSize1), and the size of the second file (FileSize2) are used to calculate a target compression parameter (NSF) that is generated according to the equation, | 04-29-2010 |
| 20100085467 | IMAGE PICKUP DEVICE CAPABLE OF PROVIDING GPS COORDINATES OF SUBJECT TO BE SHOT AND METHOD FOR DETECTING GPS COORDINATES THEREOF - A image pickup device capable of providing GPS coordinates of a subject to be shot and a method for detecting GPS coordinates thereof are described. The method includes the following steps. A first longitude, a first latitude, and a first altitude of a location of a image pickup device are obtained. When the image pickup module is focused on the subject to be shot, a focusing distance from the image pickup module to the subject and an elevation angle formed between the image pickup device and a horizontal direction and a horizontal angle formed between the image pickup device and a true north direction are measured. A second longitude, a second latitude, and a second altitude of a location of the subject to be shot are calculated according to the first longitude, the first latitude, the first altitude, the focusing distance, the elevation angle, and the horizontal angle. | 04-08-2010 |
| 20100085173 | METHOD FOR DETECTING VEHICLE-TO-VEHICLE DISTANCE AND SYSTEM THEREOF - A method for detecting a vehicle-to-vehicle distance and a system thereof are applied in a first vehicle for detecting a distance between the first vehicle and a second vehicle. The method includes focusing on the second vehicle; capturing an image of the second vehicle after the focusing; analyzing the captured image to obtain at least one main feature in the image; determining whether the image is a vehicle license plate according to the main feature; calculating a focusing distance to the second vehicle after the focusing when the image is the vehicle license plate; outputting the calculated focusing distance as the vehicle-to-vehicle distance. A low-cost and reliable dynamic vehicle alarm and protection system can be realized based on the method for detecting a vehicle-to-vehicle distance. | 04-08-2010 |
| 20100073552 | IMAGE BRIGHTNESS CORRECTION METHOD - An image brightness correction method is described. First, a pre-flash is fired and a pre-flash image is shot. After a main flash duration is estimated according to the pre-flash image and an automatic exposure time of a camera device, a main flash is fired and a raw image is shot. Then, a brightness gain of the raw image is compensated according to a preset gain threshold, and a digital brightness gain of the image is adjusted to enable the image shot each time to achieve the same brightness gain. | 03-25-2010 |
| 20100073520 | IMAGE BRIGHTNESS COMPENSATION METHOD AND DIGITAL CAMERA DEVICE WITH IMAGE BRIGHTNESS COMPENSATION FUNCTION - An image brightness compensation method and a digital camera device with an image brightness compensation function are suitable for adjusting a brightness of a digital image shot by a digital camera device, especially when the shot object is located outside a maximum output range of a flash lamp. The method includes the steps of pre-capturing a target image, and recording target information; triggering a flash lamp, and meanwhile capturing a raw image; determining whether the raw image satisfies a brightness threshold or not according to a brightness difference between the target information and the raw image; if the raw image fails to satisfy the brightness threshold, executing a brightness compensation program on the raw image according to the target information; and finally, generating an output image. | 03-25-2010 |
| 20100070547 | INTEGER DIVISION CIRCUIT WITH ALLOWABLE ERROR - An integer division circuit with allowable error is described, what a signal processing apparatus includes a pointer, a first left shifter, a second left shifter, a subtractor, a multiplier, and a right shifter. The pointer searches for a most significant non-zero bit of a divisor and outputs a most significant byte value. The first left shifter performs a shift operation according to the most significant byte value, so as to generate a first exponential coefficient. The second left shifter performs a shift operation according to the most significant byte value, so as to generate a second exponential coefficient. The subtractor calculates a multiplier factor according to the divisor, the first exponential coefficient, and the second exponential coefficient and outputs the multiplier factor to the multiplier. The multiplier multiplies an input value with the multiplier factor and outputs a result to the right shifter. The right shifter outputs a calculation result. | 03-18-2010 |
| 20100066588 | IMAGE PICKUP DEVICE FOR DETECTING MOVING SPEED OF SHOT OBJECT AND METHOD THEREOF - An image pickup device for detecting a moving speed of a shot object and a method thereof are described. First, a coordinate of the image pickup device and a coordinate of the shot object are obtained at a first time point. Next, a coordinate of the image pickup device and a coordinate of the shot object are obtained at a second time point. Then, a moving distance of the shot object is calculated according to the coordinates of the shot object at the first and second time points. A moving speed of the shot object is calculated according to a time difference and the moving distance. Afterward, the obtained moving speed is displayed on the image pickup device, such that the user knows about the moving speed of the shot object. | 03-18-2010 |
| 20100021019 | AUTOMATIC PHOTOGRAPHING METHOD WITH FACE RECOGNITION - An automatic photographing method with face recognition is applied in a camera having a detecting lens and a photographing lens for a user to photograph a target. First, detect a face of the user through the detecting lens, and obtain a plurality of face images of the detected face. Then, capture an image variance of the obtained face images, and photograph the target through a photographing lens when the captured image variance exceeds a photographing starting value. Therefore, during the whole photographing process, photographing can be achieved through determining variations of the face images of the user without pressing the shutter key of the camera, thereby completely preventing handshakes resulted from the pressing action, and thus improving the photographing quality. | 01-28-2010 |
| 20100001898 | GPS MODULE TEST SYSTEM FOR AUTOMATICALLY CALIBRATING TEST SIGNAL - A GPS module test system for automatically calibrating a test signal includes a GPS test fixture, a satellite signal simulator, and a computer. The GPS test fixture carries a GPS module under test and is electrically connected to the same through contact, so as to receive a digital signal generated by the GPS module after the test. The computer receives device information of the GPS module under test through the GPS test fixture, and controls the satellite signal simulator through a GPS signal sample database, so as to generate a GPS analog signal to test the GPS module under test. Thereafter, on receiving the digital signal generated by the GPS module under test and determining the received digital signal is attenuated, the computer automatically gains a transmitted test parameter, so as to transmit the GPS analog signal in a preferable state. | 01-07-2010 |
| 20090322936 | AUTO FOCUSING METHOD FOR FACE DETECTION OF DIGITAL IMAGING DEVICE - A auto focusing method for face detection of a digital imaging device is described, in which high-frequency information of a focusing area is increased according to a size, a position of a face of a person to be shot, and an image area at least covering the face and body of the person, thereby improving a focusing success ratio. | 12-31-2009 |
| 20090322787 | DIGITAL IMAGE COMPOSITION METHOD - A digital image composition method is adapted to eliminate a ghost image produced by a digital image-capturing apparatus due to handshakes in shooting. The method includes the steps. In a pre-shooting process, a base image and a comparison image are respectively captured. A base pixel is selected from the base image, and a core window is set with the base pixel at the center. A comparison pixel is selected from the comparison image, and a search window is set with the comparison pixel at the center. Each area of the search window is compared through the core window, and an absolute error sum value between the base image and the comparison image is calculated. It is determined how to change the brightness of the base pixel according to the normalized region difference value. The above steps are repeated to adjust each pixel in the base image. | 12-31-2009 |
| 20090316019 | TONE ADJUSTMENT METHOD FOR DIGITAL IMAGE AND ELECTRONIC APPARATUS USING THE SAME - A tone adjustment method for a digital image and an electronic apparatus using the same are presented. The method includes steps. A digital image is loaded. A detail image layer and a primary image layer are generated according to the digital image. A tone mapping procedure is performed on the primary image layer, for generate a tone mapping layer. A detail gain lookup table is loaded and then a corresponding gain is looked up according to each pixel value in the primary image layer, for generate a detail gain adjustment layer. A detail gain control procedure is performed and then a detail gain adjustment is performed on the detail gain adjustment layer and the detail image layer, for generate a gain correction layer. The gain correction layer and the tone mapping layer are combined, and then a combined layer is output, thereby completing the tone adjustment for the digital image. | 12-24-2009 |
| 20090303344 | RECORDING MIDIUM OF DIGITAL PHOTO FILE AND METHOD OF GENERATING DIGITAL PHOTO FILE - A recording medium of a digital photo file and a method of generating a digital photo file are presented. An electronic device generates several pieces of thumbnails with different uses according to a content of a photo data, and embeds the thumbnails in a single image file, thereby forming the digital photo file. The digital photo file is characterized in that several pieces of photo contents with different uses are included in the same file, for photo printing, computer photo editing, photo rapid previewing, and playing in an electronic apparatus with an excellent photo quality and browsing speed. | 12-10-2009 |
| 20090268041 | DIGITAL IMAGE PROCESSING METHOD FOR CORRECTING SHAKING BLUR - A digital image processing method for correcting a shaking blur corrects a blurred image caused by a shake when a user shoots an image with a digital camera, which includes the following steps obtaining a safe shutter time of the digital camera; performing an exposure adjustment procedure, for adjusting an aperture and a ISO speed of the digital camera respectively, and obtaining a shutter time of the digital camera after being adjusted; performing a shooting procedure; shooting a plurality of digital images, if the shutter time of the digital camera is greater than the safe shutter time; and then performing an image compensation procedure according to the digital images, to align the same image object in the digital images and then to overlay each pixel of the digital images one by one, thereby outputting an output image. | 10-29-2009 |
| 20090172354 | HANDSHAKING DUAL-PROCESSOR ARCHITECTURE OF DIGITAL CAMERA - A handshaking dual-processor architecture of a digital camera includes a microprocessor and a digital signal processor (DSP). After accepting a user command, the microprocessor transmits a wakeup signal to trigger the DSP to switch from a sleep mode to an operation mode, and transmits a data packet and a processing request to the DSP. After receiving the data packet, the DSP generates a data packet processing result according to the processing request. After receiving the data packet processing result, the microprocessor returns a processing state in response to the user command. Through the handshaking dual-processor architecture, it is unnecessary to implement low-level device operation on application program, and it is only necessary to submit a required basic function, such that the microprocessor controls the corresponding DSP to execute the basic function and report the executing result of the basic function. | 07-02-2009 |
| 20090169194 | AUTOMATIC EXPOSURE CONTROL METHOD - An automatic exposure control method is used to control a shooting exposure parameter for shooting an image by a shooting end. At least one middle brightness value is acquired between a brightness value of a background region and an overall brightness value, and then a relation between working distances of a flash light and a practical distance of an object is determined sequentially from the brightness value of the background region to extend towards the overall brightness value, in which the working distances of the flash light are respectively corresponding to the brightness value of the background region, the middle brightness values, and the overall brightness value, so as to obtain a shooting exposure parameter and to selectively activate the flash light, thereby adjusting the overall brightness of the image to be shot, so as to obtain an image with a proper overall brightness. | 07-02-2009 |
| 20090169191 | METHOD FOR AUTOMATICALLY SELECTING SCENE MODE - A method for automatically selecting a scene mode applied in a photographic device is described. The method includes detecting an image to be captured; analyzing a principal feature of the image; comparing the principal feature with a feature standard of each scene mode according to a utilization rate ranging from high to low, so as to acquire a scene mode corresponding to the feature standard conforming to the principal feature; and adjusting current photographic parameters of the photographic device into photographic parameters corresponding to the acquired scene mode. By determining a comparison sequence according to utilization rate of each scene, the time for searching and comparing is reduced. Moreover, after each shooting, the utilization rate may be re-calculated according to the used scene mode, so as to quickly provide the scene mode required by a user. | 07-02-2009 |
| 20090169121 | STATIC IMAGE COMPRESSION METHOD AND COMPUTER READABLE DATA STRUCTURE AND COMPUTER READABLE STORAGE MEDIUM - A static image compression method, a computer readable data structure, and a computer readable storage medium are described. Firstly, an image is segmented into a plurality of sub-images. Then, each sub-image is sequentially compressed into a sub-data frame having a start character, so as to generate a compressed data with the sub-data frames interconnected according to a sequence of the sub-images. Finally, the addresses of the start characters are recorded to generate an index data. Thereby, the start character of a particular block can be obtained from the index data, and the sub-image of the particular block is preferentially decoded and displayed. | 07-02-2009 |
| 20090169107 | APPARATUS AND METHOD OF RECOGNIZING IMAGE FEATURE PIXEL POINT - An apparatus and a method of recognizing image feature pixels is related to the recognizing method including receiving an image having a plurality of pixels; subsequent filtering the pixels at least once by detecting the edge pixels of objects in the received image based on pixel values of the pixels, so as to obtain a plurality of candidate pixels; and performing multiple difference of Gaussian (DOG) blurring operations on the candidate pixels to find the candidate pixels having a relative extreme value as a plurality of feature pixels. Therefore, the processing time of recognizing image feature pixels may be reduced. | 07-02-2009 |
| 20090169103 | METHOD OF CORRECTING FALSE-COLOR PIXEL IN DIGITAL IMAGE - A method of correcting a false-color pixel in a digital image is used to correct a false-color pixel generated after being processed by a color correction matrix (CCM). The method includes the following steps. Obtaining a raw image, for being processed by the CCM operation to generate a processed image; comparing pixels of the raw image with that of the processed image according to a color difference ratio, to find out a false-color pixel in the pixels of the processed image; then, performing a color correction on the false-color pixel at the corresponding position of the raw image and the processed image. The false-color pixel is corrected according to the pixel color at the corresponding position of the raw image. | 07-02-2009 |
| 20090169067 | FACE DETECTION AND TRACKING METHOD - Face detection and tracking method is executed by a computer or a microprocessor with computing capability for identifying human faces and positions thereof in image frames. First, face detection is performed to detect human faces in a plurality of frames. Then, face tracking is performed on each of the frames to track the detected human faces and record positions of these human faces. Afterward, face detection on the image frames is again performed every few frames, skipping the positions of the human faces that have been recorded, so as to quickly search for other human faces that might be newly added. | 07-02-2009 |
| 20090169066 | MULTIDIRECTONAL FACE DETECTION METHOD - A multidirectional face detection method is used to detect a face in a picture under detection at different positions. The face detection method includes the steps. A selecting window sets to sequentially select different sub-image patterns from the picture under detection. A facial weight calculates and it is calculated according to a feature value of the pixels in a sub-image pattern selected by the selecting window, thereby determining if the sub-image pattern has any features similar to the face. A facial edge weight calculates for made on the picture under detection according to a boundary value of the pixels in the sub-image pattern selected by the selecting window, so as to determine if the part of area of the picture under detection has any facial-boundaries. A profile detection performs to respectively mark the facial-boundaries in the sub-image patterns with a arc segments respectively for the sub-image patterns having the facial-boundaries. | 07-02-2009 |
| 20090169054 | METHOD OF ADJUSTING SELECTED WINDOW SIZE OF IMAGE OBJECT - A method of adjusting selected window size of an image object is applicable for tracking a target object in a video. The video includes a plurality of frames, and the target object has a display range changing with the playback of each frame. According to a variation trend of the display range of the target object, whether a variation times corresponding to the variation trend reaches a threshold value or not is recorded, and then the selected window size is reset, such that the target object is enclosed with a selected window having a size closer to the target object. | 07-02-2009 |
| 20090167906 | FALSE COLOR SUPPRESSION METHOD FOR DIGITAL IMAGE - A false color suppression method for a digital image is described. The method is performed in a digital camera, for suppressing the false color of the digital image shot by the digital camera. The method includes separating a luminance part and a chrominance part of a digital image; extracting the chrominance part, and calculating a first color gamut component and a second color gamut component in the chrominance part; setting a critical value according to a photosensitivity during shooting by the digital camera; performing a corresponding pixel uniformization action on the pixel according to a relation between a difference between the pixel and adjacent neighboring pixels and the critical value respectively for the first color gamut component and the second color gamut component; and combining the uniformized chrominance part and the luminance part of the digital image to a suppressed image. | 07-02-2009 |
| 20090167902 | IMAGE NOISE REDUCTION METHOD BASED ON OPTIMAL PRIMARY-COLOR SIGNAL - An image noise reduction method based on an optimal primary-color signal is suitable for a digital camera to reduce noises in a digital image. The image noise reduction method mainly includes the following steps, taking out primary-color signals of a digital image, including taking out high-frequency and low-frequency signals of the optimal primary-color signal and high-frequency and low-frequency signals of the worst primary-color signal by using a high-pass filter and a low-pass filter; next, mixing the high-frequency signal of the optimal primary-color signal with that of the worst primary-color signal, and superposing the mixed signal to the low-frequency signal of the worst primary-color signal, so as to get a digital image signal after noise reduction. | 07-02-2009 |
| 20090167900 | IMAGE PROCESSING METHOD FOR ADJUSTING A SCALE OF A FACE - An image processing method for adjusting a scale of a face is implemented by a microprocessor of a digital camera. The microprocessor performs a face detection to find the position of a face in the image, and sets a zoom block according to an entire column/row of the position of the face, so as to zoom in/out the scale of the face. When the scale of the face is adjusted, an entire column of pixels are added/deleted with constrain proportions from two sides of the zoom block, for repairing the pixels altered during the zoom in/out of the face so as to remain the whole image undistorted. This method finds the position of the face accurately, and adjusts the pixels at the position of the face, so as to effectively adjust the scale of the face, and avoid disproportion between the face and the body in the image. | 07-02-2009 |
| 20090167856 | REVERSE SENSING SYSTEM DISPLAYING OVERHEAD VEHICLE IMAGE - A reverse sensing system displaying an overhead vehicle image includes a plurality of fisheye lenses, a trip computer, and a screen. The fisheye lenses are disposed on all sides of the vehicle to shoot the surrounding scene images of the vehicle. The trip computer reads the scene images, and executes a plurality of built-in image processing procedures to combine the scene images into an overhead vehicle image. The radially distorted scene images are corrected into the normal scene images through a distorted image correction procedure. The corrected scene images are rotated into projection scene images through a planar transition procedure. The images are retrieved according to the positions of the shooting lenses of the projection scene images so as to generate the overhead vehicle image through an image combining procedure. | 07-02-2009 |
| 20090167602 | SIGNAL ACQUIRING METHOD OF GPS RECEIVER AND DIGITAL CAMERA THEREOF - A signal acquiring method of a GPS receiver and a digital camera thereof, suitable for accelerating a signal acquiring speed of the GPS receiver, are described. The signal acquiring method includes the following steps receiving a plurality of satellite signals; performing a discrete cosine transform (DCT) demodulation procedure, so as to parse a receiving time base of the satellite signals; next, transforming the satellite signals into a code information and a navigation frequency according to the receiving time base of the satellite signals; then, performing a correlation correction procedure to acquire a navigation information from the satellite signals according to the code information and the navigation frequency; which thus accelerates the processing speed on the signal acquiring flow through calculation characteristics of the DCT. | 07-02-2009 |
| 20090167571 | THIN-TYPE MODE-SWITCHING SWITCH - A thin-type mode-switching switch includes a circuit board, a metal dome, a mode dial, and a fixing member. The circuit board has a plurality of retaining holes opened therein, and conductive regions are distributed around the retaining holes to serve as switch contacts. When the mode dial is rotated to drive the metal dome, a protruding portion on the metal dome falls in one of the retaining holes. Due to the contact between the protruding portion and the conductive region, a preset input signal is transmitted to a central control unit. Thereby, the mode-switching and retaining control are integrated to achieve the purpose of being thin-type. | 07-02-2009 |
| 20090166441 | METHOD FOR AUTOMATICALLY RECTIFYING BUSINESS CARD PRESENTATION ANGLE - A method for automatically rectifying business card presentation angle is described. The method is applicable to a mobile electronic device to automatically rectify a presentation angle of a shot business card image. Firstly, maintain character pixels of the shot business card image, and divide the character pixels into character groups by determining whether the pixel pitch is larger than a predetermined value. Next, obtain a first axis and a second axis of the character groups. After that, calculate an included angle formed between the first axis and the second axis, and adjust the oblique character groups through angles obtained for correction. Then, adjust aspect ratios of all the character groups after angle correction according to appropriate character aspect ratios, to make the displayed font seem normal. Finally, generate a corrected business card image according to the character groups after correction. | 07-02-2009 |
| 20090162044 | METHOD OF AUTOMATICALLY ADJUSTING THE DEPTH OF FIELD - A method of automatically adjusting a depth of field, suitable for adjusting settings relevant to the depth of field when pre-shooting an image to be shot through a digital camera, includes capturing an image to be shot; dividing the image into a plurality of detected blocks; performing a statistic process for an object distance on each detected block, and recording an object distance value of each detected block; generating an object-distance cumulative curve according to the object distance value of each detected block; performing a smoothing process to eliminate peak curves generated in the object-distance cumulative curve; looking up a mode of all the object distance values and a corresponding detected block according to the object-distance cumulative curve; adjusting corresponding aperture and focal length of the digital camera according to the corresponding detected block. The user shoots images at different sites without adjusting the digital camera into corresponding shoot mode. | 06-25-2009 |
| 20090161951 | METHOD FOR CORRECTING RED-EYE - A method for correcting red-eye is described. Through facial features, at least one facial region is obtained in an image, a nose position in each facial region is obtained by using a nose feature, and at least one eye position is obtained based on a relative position relation between the nose and the eyes. After a color gamut of the image is converted, a red region is obtained from the eye position, and a plurality of edges is formed by using a luminance of the color gamut on the image with the converted color gamut according to the eye feature, so as to exclude the red region out of the plurality of edges, thereby improving accuracy of the red region on the eye position. Then, the red region is covered by an iris color, so as to correct the red-eye. | 06-25-2009 |
| 20090160980 | GRADUATED-BASED DIGITAL IMAGE PROCESSING METHOD - A graduated processing method of digital image is adapted to a digital camera for immediately adjusting brightness in different regions of a shot digital image. The processing method includes the following steps. An image capturing device determines an image boundary of a digital image according to an image difference condition in the digital image. Then, a graduated layer is used in the digital image along a vertical direction of the image boundary, and a brightness difference in different regions of the digital image is adjusted. | 06-25-2009 |
| 20090160976 | DIGITAL PHOTOGRAPHIC CAMERA WITH BRIGHTNESS COMPENSATION AND COMPENSATION METHOD THEREOF - A digital photographic camera with brightness compensation and a compensation method thereof are applied for the brightness compensation of the digital photographic camera when shooting under different environments so as to maintain a frame rate. The camera includes a light measuring unit, a sensor, a light source generator, a light modulation unit, an operational unit, and a storage unit. The light measuring unit is used for sensing the environment brightness of the camera. The light modulation unit is coupled to the light source generator and used for controlling luminance of the light source generator. The operational unit is coupled to the light measuring unit and the light source generator, and executes a brightness calibration process for calibrating a brightness sensing reference value of the light measuring unit and a brightness compensation process for adjusting the luminance of the light source generator according to the environment brightness of the camera. | 06-25-2009 |
| 20090154840 | Image processing system and method - An image processing system includes a first memory for storing a first image data, the first image data having a plurality of pixels; a second memory for storing at least one mapping table, the mapping table recording the mapped positions of at least a portion of pixels; a direct memory access control unit for accessing the first memory and the second memory; a first processing unit for accessing the first image data and the mapping table via the direct memory access control unit so as to produce a second image data; and a third memory for storing the second image data. | 06-18-2009 |
| 20090154181 | VEHICLE AUXILIARY LIGHTING SYSTEM - A vehicle auxiliary lighting system is used for controlling traveling lighting according to traveling information. The vehicle auxiliary lighting system includes a plurality of light sources disposed on a rear view mirror, a traveling information acquisition device, and a controller. The light sources respectively emit light rays towards different directions, the traveling information acquisition device obtains traveling speed, steering angle, and other information, so as to turn on the light source with a specific angle to emit the light rays according to practical traveling state, thereby further assuring traveling safety. | 06-18-2009 |
| 20090154130 | Micro-sensor and manufacturing method thereof - The micro-sensor includes a first circuit substrate and a second circuit substrate. One surface of the first circuit substrate has an image sensing device electrically connected to main printed wires formed by a first wire group and a second wire group. On the other surface of the first circuit substrate has a main connector electrically connected to the second wire group. A plurality of first signal transmission lines connected to the first wire group. The second circuit substrate has a sub-connector that is electrically connected to sub printed wires having an equivalent number as and corresponding to the second wire group. The other end of the sub printed wires is electrically connected to a plurality of second signal transmission lines. Through connecting the connectors respectively disposed in different circuit boards to overcome the difficulty in the manufacturing process of concentrating all devices on a single circuit board. | 06-18-2009 |
| 20090153700 | Image processing system and method - This invention relates to an image processing system and method, the image processing system comprising an image capturing unit; a resolution conversion unit; a detection unit; an image conversion processing unit; an image compression unit, and a memory unit, the processing method comprising the steps of: capturing a first image data; transferring the first image data to the resolution conversion unit and the image conversion processing unit; converting the first image data into a second image data; detecting a plurality of position data from the second image data according to at least one detection rule; generating a third image data by mapping the first image data according to a mapping table; and compressing the third image data. This invention has image encryption function. | 06-18-2009 |
| 20090152662 | MICRO-SENSOR AND MANUFACTURING METHOD THEREOF - The micro-sensor for a micro image pick-up device includes a flexible circuit board and a circuit substrate. The flexible circuit board has an opening exposing an end of a plurality of metal wires. An image sensing device that electrically connected to a plurality of printed wires disposed on the circuit substrate. The circuit substrate is disposed at the opening of the flexible circuit board. The plurality of printed wires on the circuit substrate corresponds to and contacts the end of the plurality of metal wires exposed out of the flexible circuit board. With the design of the flexible circuit board, the steps of forming a plurality of wiring ducts on the circuit substrate and electrically connecting the printed wires of the circuit substrate by a plurality of connecting lines for transferring signals can be omitted. | 06-18-2009 |
| 20090147085 | Method of displaying shot image on car reverse video system - A method of displaying a shot image on a car reverse video system is described, which is applicable for adjusting an image displaying angle of the car reverse video system with a fixed lens according to a distance from an obstacle. Firstly, a scene image behind the car is shot through using the lens. Then, a distance detector is activated to detect a distance from the obstacle behind the car. If the distance from the obstacle is smaller than a preset distance, a scaling ratio is set according to a ratio of the preset distance to the distance from the obstacle. Finally, according to the scaling ratio and a distance between each pixel in the scene image and a reference point, all pixel pitches are adjusted, such that the scene image is deformed, and thus achieving an effect of switching a viewing angle of the scene image. | 06-11-2009 |
| 20090132596 | DEVICE AND METHOD FOR SETTING ODOR - The present invention is related to a device and a method for setting odor so as to solve the shortage that conventional digital cameras can not attach odor within the digital image files. The present invention provides an Add Odor option and the sub-menu thereof in the operation interface of the digital cameras for the user to add the desired odor to the selected digital image files, and forms digital image files which contain odor information. When browsing the digital image files containing odor information, the odor can be dispersed through an odor dispersing unit. | 05-21-2009 |
| 20090125235 | Method of updating navigation map data - A method of updating navigation map data obtains at least one corresponding coordinate position with movement of the global positioning system navigator by receiving at least one satellite positioning signal. When it is determined that a vehicle is traveling to a street intersection, at least one image of road scene is photoed, and the coordinate position of the street intersection is recorded. At the same time, a traveling route comprising the image is recorded according to all coordination positions received between intersections, and a street map, road type information, and road scene information in a map database are updated according to the traveling route, such that navigation map database is updated, navigation route accuracy is maintained, and scene navigation and other functions are implemented immediately without linking to a server. | 05-14-2009 |
| 20090091621 | DIGITAL CAMERA - A digital camera is capable of sensing ultraviolet (UV) intensity. The digital camera includes an UV processing module, a memory, a microprocessor, and a power management module. The UV processing module measures outside UV, so as to generate an UV intensity value and output the UV intensity value to the microprocessor, such that the microprocessor compares the UV intensity value with an UV index (UVI) table stored in the memory to output a comparison value, and the UVI is then displayed on a display. The power management module activates a power management mode according to the comparison value, so as to turn off the power of the camera according to the time-counting about the UV intensity, thereby warning a user of the camera. | 04-09-2009 |
| 20090086057 | OPTIMUM IMAGE SELECTION METHOD AND SYSTEM - An optimum image selection method for a digital photograph device selecting an optimum image by driving a vibration detection sensor mechanism is provided. In continuous photography mode, as soon as capturing an image, it detects and records the vibration amount of the image, and then compares the presently detected vibration amount with the vibration amount of the image which is stored formerly, and if the vibration amount detected presently is smaller, the image captured presently will be stored, so the clearest image will be distinguished and retained immediately by using the vibration amount. | 04-02-2009 |
| 20090086032 | SYSTEM FOR DETECTING AND COMPENSATING CAMERA MOVEMENT AND A METHOD THEREOF - A system for detecting and compensating camera movement includes a pulse-sensing module and a process/control module. The pulse-sensing module senses the pulse and converts the pulse signal into a pulse count. The process/control module is coupled with the pulse-sensing module for receiving the pulse count and comparing the pulse count with a standard value. When the pulse count exceeds an allowable deviation of the standard value, the movement-compensating process is started to generate an alarm signal to notify the user to adopt a stable method to take a picture, and/or to cause the movement-compensating module to capture an image. | 04-02-2009 |
| 20080273251 | Zoom Lens Control Mechanism - A zoom lens control mechanism for changing a focal distance in an optical axis of a first lens set includes a zoom lens base, a lens support, and a switch device. The zoom lens base has an image pickup opening disposed in the optical axis of the first lens set. The lens support is disposed on the zoom lens base, with one end rotatably disposed on the zoom lens base, and the other end with a second lens set. Herein, when the lens support rotates, the second lens set shifts between an active position and a leaving position along the surface of the zoom lens base. When the second lens set is at the active position, the focal distance may be changed according to a curvature of the second lens set. | 11-06-2008 |
