MTEKVISION CO., LTD. Patent applications |
Patent application number | Title | Published |
20130251282 | METHOD AND DEVICE FOR REDUCING TEMPORAL NOISE FOR IMAGE - A temporal noise reduction method and a temporal noise reduction device are provided. The temporal noise reduction device includes a temporal filter unit that performs a temporal filtering operation using pixel values (CP) of an N×M array in a current frame and pixel values (FP) of an N×M array located at the same position in a neighboring frame separated by a distance T | 09-26-2013 |
20130181900 | NON-CONTACT SELECTION DEVICE - A non-contract selecting device is disclosed. The non-contract selecting device include a light source, emitting light to an outside; a camera unit, generating and outputting a video signal corresponding to an external video; a video data generating unit, generating video data corresponding to the video signal; and an identity unit, detecting a location of a detected area formed by light, reflected by pointing-means and inputted, of the light emitted from the video data in units of each frame, recognizing a moving locus of the detected area by comparing at least two continuous frames and generating and outputting corresponding change information. With the present invention, the function-selecting can be more quickly and easily and increase making the most use of elements. | 07-18-2013 |
20130176452 | NON-CONTACT SELECTION DEVICE - A non-contract selecting device is disclosed. The non-contract selecting device include a light source, emitting light to an outside; a camera unit, generating and outputting a video signal corresponding to an external video; a video data generating unit, generating video data corresponding to the video signal; and an identity unit, detecting a location of a detected area formed by light, reflected by pointing-means and inputted, of the light emitted from the video data in units of each frame, recognizing a moving locus of the detected area by comparing at least two continuous frames and generating and outputting corresponding change information. With the present invention, the function-selecting can be more quickly and easily and increase making the most use of elements. | 07-11-2013 |
20130094562 | TRANSMITTER AND TRANSMITTING METHOD USING DELAY LOCKED LOOP - An NFC transmitter using a delay-locked loop and an NFC transmission method thereof are provided. The NFC near field communication (NFC) transmitter includes a delay-locked loop (DLL) that outputs a reference clock and a delayed clock using the reference clock and a value of a duty code which are input, a clock output unit that receives the reference clock and the delayed clock, outputs the reference clock in any of a high section and a low section of input data, and outputs a converted clock having a duty ratio using the reference clock and the delayed clock in the other of the high section and the lower section of the input data, and an RF signal generator that generates an RF signal using a PWM (Pulse Width Modulation) signal input from the clock output unit. | 04-18-2013 |
20120320247 | NON-CONTACT SELECTION DEVICE - A non-contract selecting device is disclosed. The non-contract selecting device include a light source, emitting light to an outside; a camera unit, generating and outputting a video signal corresponding to an external video; a video data generating unit, generating video data corresponding to the video signal; and an identity unit, detecting a location of a detected area formed by light, reflected by pointing-means and inputted, of the light emitted from the video data in units of each frame, recognizing a moving locus of the detected area by comparing at least two continuous frames and generating and outputting corresponding change information. With the present invention, the function-selecting can be more quickly and easily and increase making the most use of elements. | 12-20-2012 |
20120163734 | APPARATUS FOR COLOR INTERPOLATION USING ADJUSTABLE THRESHOLD - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 06-28-2012 |
20120093406 | APPARATUS FOR COLOR INTERPOLATION USING ADJUSTABLE THRESHOLD - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 04-19-2012 |
20120093405 | APPARATUS FOR COLOR INTERPOLATION USING ADJUSTABLE THRESHOLD - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 04-19-2012 |
20120041878 | Method And System For Authenticating Software License - The present invention is directed to a method and system for authenticating software license. The method for authenticating software license according to an embodiment of the present invention transmits a usage authorization request to an authentication information management server through a communication network, and receives and stores authentication information from the authentication information management server. Subsequently, the method for authenticating software license according to an embodiment of the present invention transmits a terminal identifier to a personal computer, and calculates run-time of software using a launch signal, a termination signal, or combinations thereof, received from the personal computer, corresponding to the running of software, and charges in accordance with the calculated run-time of software. The present invention enables users to authenticate software license using a mobile communication terminal. | 02-16-2012 |
20110066317 | VIDEO RECORDING DEVICE FOR VEHICLE AND DRIVING INFORMATION PROVIDING METHOD THEREOF - A vehicle video recording device and a driving information providing method are provided. The vehicle video recording device includes: a sensing unit that includes one or more of a positioning unit, an inertia sensor unit, and an environment sensor unit so as to output sensed information; a vehicle information collecting unit that collects vehicle information from one or more of one or more sensors and a self-diagnosis device disposed in a vehicle; and a driving information generating unit that generates driving information depending on use or nonuse of the vehicle on the basis of one or more of the sensed information and the vehicle information. Accordingly, it is possible to continuously manage information on a driving time of a vehicle or the accident possibility in driving a vehicle, thereby giving an advantage or a disadvantage to a driver. | 03-17-2011 |
20100005284 | DEVICE HAVING SHARED MEMORY AND METHOD FOR TRANSFERRING CODE DATA - The present invention relates to a device having a shared memory and a code data transmitting method. According to an embodiment of the present invention, the digital processing device can include n processors, n being a natural number of 2 or greater; and a shared memory, coupled to each of the processors through independent buses and having a boot section allotted, the boot section being for writing a boot program code to be used for booting of at least one processor. | 01-07-2010 |
20100002099 | METHOD AND APPARATUS FOR SHARING MEMORY - A digital processing apparatus using a memory sharing structure through a bypass logic and a sharing method thereof are disclosed. According to an embodiment of the present invention, the digital processing apparatus includes an application processor, a supplementary memory unit, which is subordinate to the application processor, and a main processor, which controls the application processor. If no communication is made using a control bus between the main processor and the application processor, the application processor connects a route to allow the main processor and the supplementary memory unit to be directly coupled to each other by executing a predetermined bypass logic. Through this, the capacity of a useable memory of the main processor can be maximized. | 01-07-2010 |
20090256928 | Method and device for detecting color temperature - A method for detecting color temperature and an apparatus thereof are disclosed. According to the present invention, the apparatus for detecting color temperature converts RGB color information, generated by interpolating an image signal sequentially inputted in units of pixel from an image sensor, to a three-dimensional coordinate value of luminance, R-G color difference information, and B-G color difference information, and then renews the added value per color, if included in a filtering zone corresponding to a characteristic curve of the image sensor. Then, an average value per color is generated in units of frame, and the compensation rate per color is determined such that the average value per color becomes identical to each other. With the present invention, accurate colors can be displayed by detecting the color temperature of the current light source and correcting the distorted color information. | 10-15-2009 |
20090254715 | VARIABLE PARTITIONED BLOCKS IN SHARED MEMORY - A method and device for varying the size of partitioned areas of a shared memory is disclosed. The present invention resets the size of partitioned areas by expanding the size of a shared area when data that is larger than the writable area of the shared area is to be written, after the storage area of a memory unit is partitioned to a plurality of partitioned areas by a main control unit. The memory unit is coupled with a main control unit and a supplementary control unit through independent ports. With the present invention, the data communication time between control units for processing data can be minimized, and the operation speed of each control unit can be optimized. | 10-08-2009 |
20090254713 | ACCESS CONTROL TO PARTITIONED BLOCKS IN SHARED MEMORY - A method for controlling multiple access to partitioned areas of a shared memory and a portable terminal having the shared memory are disclosed. According to an embodiment of the present invention, the storage area of a shared memory is partitioned to a plurality of storage areas, and each control unit accesses a storage area through each access port to store data and transfers an authority to access the pertinent storage area to the other control unit, thereby allowing access by the other control unit. With the present invention, the data communication time between the plurality of control units can be minimized, and the process efficiency of each control unit can be optimized. | 10-08-2009 |
20090254686 | MEMORY SHARING THROUGH A PLURALITY OF ROUTES - A method for sharing a memory through a plurality of routes and a device thereof are disclosed. The digital processing apparatus in accordance with an embodiment of the present invention comprises a main processor, an application processor controlled by the main processor and coupled to the main processor through one connection bus and a memory having a plurality of ports, each of which is coupled to the application processor through an independent memory bus. With the present invention, the process time for processing a high-performance, high-resolution image can be minimized, and the loss in process efficiency of the application processor can be minimized. | 10-08-2009 |
20090222630 | MEMORY SHARE BY A PLURALITY OF PROCESSORS - The present invention is directed to a method and a device for memory share by a plurality of processors. The portable terminal according to an embodiment of the present invention comprises a main memory; a sub-control unit coupled to the main memory through bus #1, the sub-control unit processing and storing raw data in accordance with a process order, the raw data being stored in the main memory, the main memory being accessed through bus #1; and a main control unit coupled to the main memory through bus #2 and coupled to the sub-control unit independently through bus #3, the main control unit transmitting said process order to the sub-control unit through bus #3. The present invention can prevent the weakening of processing power or the bottleneck problem during the process of information transmission between the memory and a plurality of processors. | 09-03-2009 |
20090201256 | PORTABLE TERMINAL HAVING INPUTTING MEANS USING IMAGE SENSOR - The present invention is directed to a portable terminal having inputting means using an image sensor and its input method. The portable terminal according to an embodiment of the present invention comprises a transparent solid plate mounted in a keypad area; an image sensor having unit cells of lattice type outputting an electrical signal corresponding to the light irradiated through the transparent solid plate; and a key selection recognizer generating and outputting a key button selection signal corresponding to the location of a unit cell that outputted the least electrical signal value by making reference to the size of the value of the electrical signal inputted from the unit cells. The present invention enables compacting of portable terminals owing to eliminating the need to design key buttons to match the size of human fingers. | 08-13-2009 |
20090196438 | MULTIMEDIA PROCESSOR CHIP AND METHOD FOR PROCESSING AUDIO SIGNALS - A multimedia processor chip includes: a first re-sampler converting a sample rate of a decoded first audio signal into a first sample rate and outputting the converted first audio signal to a first output buffer; a second re-sampler converting a sample rate of a decoded second audio signal into the first sample rate and outputting the converted second audio signal to a second output buffer; and a mixer mixing the audio signals input from the first output buffer and the second output buffer and outputting the mixed audio signals to an audio converter through a communication unit. Accordingly, it is possible to reduce a processing load of a multimedia processor core to permit a low-power operation and to easily accomplish various audio effects. | 08-06-2009 |
20090195676 | IMAGE DISTORTION CORRECTING METHOD AND DEVICE - Device and method of correcting a distortion occurring at the time of displaying a high-resolution image on a low-resolution display unit are provided. The image distortion correcting method includes the steps of: analyzing color levels of all pixels of an input original image; determining a variation of the color levels depending on positions of the pixels; adjusting the variation of the color levels in a region where the variation departs from a predetermined threshold value; correcting the color levels of the pixels in accordance with the adjusted variation; and outputting the corrected image. Accordingly, it is possible to correct the image distortion occurring at the time of displaying an image input from an image sensor on a display module. | 08-06-2009 |
20090195549 | Color gradient generating method and device - Color gradient generating method and device are provided. The color gradient generating method includes the steps of: setting at least two colors in a color table including a plurality of colors as control points; storing interpolated colors between the control points; calculating a distance of a position, a color of which should be determined, in coordinates; and determining one interpolated color corresponding to the calculated distance as a color of the position. Accordingly, it is possible to reduce the operating time of a graphic processor and to use the calculation result in image coordinates again, thereby reducing a load of the graphic processor. | 08-06-2009 |
20090193234 | SEQUENCER CONTROLLED SYSTEM AND METHOD FOR CONTROLLING TIMING OF OPERATIONS OF FUNCTIONAL UNITS - The invention proposes a simple method for controlling distributed functional units (FU) in a system. It offloads the main system processor from intermediate status monitoring. The sequencer controlled system comprises a plurality of functional units, a processor operatively coupled to the plurality of functional units through a bus, a sequencer having a set of registers, and an interrupt source register configured for interrupt polling. The registers are configured to control the timing of at least one operation of the functional units with stored instructions for each of the functional units. The processor sets up at least some of the registers through the bus for the initial configuration and the sequencer is activated by the processor. | 07-30-2009 |
20090127434 | IMAGE SENSOR WITH EXPANDING DYNAMIC RANGE - A conventional image sensor has a narrow dynamic range, so that the conventional image sensor has the limitation of not representing very dark portions or very bright portions depending on the exposure time when representing an image having such dark and bright portions. The present invention provides an image sensor including at least two storage units for respectively storing at least two image signals; a first switch unit for performing switching applied image signals to be respectively stored in the at least two storage units; and a second switch unit respectively connected to the at least two storage units and for equalizing the image signals stored in the at least two storage units. | 05-21-2009 |
20090122167 | Method And Apparatus For Removing Noise By Dark Current Of Image Sensor - The present invention is directed to a method and an apparatus for removing noise in an image sensor, more specifically to a method and an apparatus for removing noise caused by a dark current. Through the method for removing noise caused by a dark current that comprises initializing a frame and receiving a digital image signal and converting a value of a clamp bit among bits of the pixel data, included in the digital image signal, to a predetermined value, wherein the clamp bit is a bit stream of sequential digits having a predetermined size comprising a least significant bit among the bits of the pixel data, clearer and shaper images can be displayed through the image sensor. | 05-14-2009 |
20090079843 | IMAGE PICKUP DEVICE AND ENCODED DATA TRANSFERRING METHOD - A method of transferring encoded data and an imaging device executing the method thereof are disclosed. The image signal processor according to an embodiment of the present invention has an encoding unit, which generates encoded image data by encoding, in accordance with a predetermined encoding method, image data corresponding to an electrical signal inputted from an image sensor, and a data output unit, which temporarily stores the image data encoded by the encoding unit and transfers the stored encoded image data to a receiving part. The data output unit can input a skip command, which makes the process of a following frame skip, to the image sensor or the encoding unit in case input start information of the following frame is inputted from the image sensor or the encoding unit while a preceding frame is processed by the encoding unit, the skip command. Therefore, it becomes possible to increase the process efficiency of the back-end chip and to reduce the power consumption. | 03-26-2009 |
20090010561 | DEVICE FOR REMOVING NOISE IN IMAGE DATA - A device for removing noise by using an adjustable threshold. The device for removing noise in accordance with an embodiment of the present invention determines a difference value between a maximum value and a minimum value of elements of inputted image data, determines a method of removing noise of the image data in accordance with the difference value, and removes noise in accordance with the method. With the present invention, improved picture quality can be achieved because noise can be removed as desired by the user. | 01-08-2009 |
20080316343 | Method and Apparatus For Allowing Access to Individual Memory - A method for detecting color temperature and an apparatus thereof are disclosed. According to the present invention, the apparatus for detecting color temperature converts RGB color information, generated by interpolating an image signal sequentially inputted in units of pixel from an image sensor, to a three-dimensional coordinate value of luminance, R-G color difference information, and B-G color difference information, and then renews the added value per color, if included in a filtering zone corresponding to a characteristic curve of the image sensor Then, an average value per color is generated in units of frame, and the compensation rate per color is determined such that the average value per color becomes identical to each other With the present invention, accurate colors can be displayed by detecting the color temperature of the current light source and correcting the distorted color information. | 12-25-2008 |
20080309781 | Method and Device for Outputting Pixel Data With Appended Data - A method and an apparatus for outputting pixel data with appended data are disclosed. An imaging device in accordance with an embodiment of the present invention includes an image sensor, which outputs raw data corresponding to an external image, a memory, which stores the raw data inputted from the image sensor; an output control unit, which adds appended data to the raw data stored in the memory and outputs the added raw data, and an image signal processor, which performs image processing corresponding to at least one of filtering and interpolation of the raw data or the raw data to which the appended data are added. With the present invention, a loss of image data to be displayed can be prevented. | 12-18-2008 |
20080298722 | Apparatus for Color Interpolation Using Adjustable Threshold - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 12-04-2008 |
20080298717 | Device of Processing Dead Pixel - A dead pixel processing device is disclosed. The dead pixel processing device separates an inputted Bayer pattern image into corresponding component data; calculates the distribution (pattern) of pixels based on the median of each data; calculates a comparing value based on a component having a center pixel; outputs an external flag which informs whether there are a dead pixel and/or a hot pixel by using the comparing value; compares the values of the center pixel and adjacent pixels in the component having the center pixel; calculates a measuring value based on the center pixel; outputs an internal flag by using the measuring value; and corrects the dead pixel or the hot pixel. With the present invention, an image can be corrected by detecting a corresponding dead pixel and hot pixel. | 12-04-2008 |
20080291509 | Image Signal Processor And Deferred Vertical Synchronous Signal Outputting Method - A method of transferring a deferred vertical synchronous signal and an image signal processor executing the method thereof are disclosed. Once the vertical synchronous signal for a k | 11-27-2008 |
20080291302 | Lens Shading Compensation Apparatus and Method, and Image Processor Using the Same - Disclosed are a lens shading compensation apparatus and a lens shading compensation method in an image sensor that compensate the difference in signal amplitude according to the position of pixels to preserve the quality of a primitive image. The lens shading compensation apparatus includes a pixel value analyzing part, an auto exposure value setting part, a central pixel detecting part, a table generating part, a pixel location calculating part, a mask image generating part and a compensation part. The above apparatus and method perform a color interpolation individually for red, green and blue, and then compensate a lens shading image for each color in accordance with its characteristics. Also the above apparatus and method can analyze and compensate a lens shading phenomenon without considering other colors or being interrupted by other colors. | 11-27-2008 |
20080288711 | Multimedia Platform - A device comprising a multimedia platform with a plurality of memories and a method of sharing a non-volatile memory. The multimedia platform in accordance with an embodiment of the present invention can have a non-volatile memory, a multimedia processor setting a route in accordance with a route selection signal received from the main processor such that the main processor accesses the non-volatile memory or the display unit, a first volatile memory which is a temporary memory device of the main processor, and a second volatile memory which is a temporary memory of the multimedia processor. With the present invention, the portable terminal can be made smaller by putting a memory chip and a multimedia platform in a single chip by use of the POP (package on package) technology. | 11-20-2008 |
20080284865 | Image Signal Processor and Method for Outputting Deferred Vertical Synchronous Signal - A method of transferring a deferred vertical synchronous signal and an image signal processor executing the method thereof are disclosed. Once the vertical synchronous signal for an m | 11-20-2008 |
20080266415 | Image Pickup Device and Encoded Data Outputting Method - A method of transferring encoded data and an imaging device executing the method thereof are disclosed. The method of processing an image signal in accordance with the present invention extracts valid data only from image data encoded and sequentially inputted by an encoding unit, and sequentially outputs the valid data to a receiving part, and, in case the valid data finish outputting before coming to an end of a predetermined duration, outputs dummy data to the receiving part for a remaining time of the predetermined duration. Therefore, it becomes possible to increase the process efficiency of the back-end chip and to reduce the power consumption. | 10-30-2008 |
20080265394 | WAFER LEVEL PACKAGE AND FABRICATING METHOD THEREOF - A wafer level semiconductor package and fabricating method thereof are disclosed. A method of fabricating a wafer level package, which includes depositing a first insulation layer on the outermost layer circuit of the a semiconductor chip and then flattening the surface of the first insulation layer; removing a portion of the first insulation layer to expose a chip pad to the outside; depositing a metal layer directly contacting the chip pad onto the chip pad and the first insulation layer and then removing a portion to form a bump metal having a bump pad electrically connected with the chip pad; and depositing a second insulation layer and a coating layer in order onto the bump metal and then removing portions thereof to expose the bump pad to the outside, where all of the operations are performed by semiconductor fabrication (FAB) equipment, not only enables the forming of higher-precision patterns, but also reduces volume. | 10-30-2008 |
20080263286 | Operation Control of Shared Memory - A method of controlling a shared memory and a user terminal controlling the operation of the shared memory are disclosed. The portable terminal according to an embodiment of the present invention has a memory unit with a storage area partitioned to blocks in a quantity of n and a plurality of processors reading or writing data by accessing a partitioned block. At least one of the partitioned blocks is assigned as a common storage area, accessible by a processor having an access privilege, and the processor having the access privilege performs an operation of maintaining the data stored in the common storage area. With the present invention, the common storage area can be accessed by a plurality of processors, and thus the data transmission time between the processors can be minimized. | 10-23-2008 |
20080252740 | Image Pickup Device and Encoded Data Transferring Method - A method of transferring encoded data and an imaging device executing the method thereof are disclosed. The image signal processor according to an embodiment of the present invention has an encoding unit and a data output unit, which temporarily stores image data encoded by the encoding unit and delivers the stored encoded image data to a receiving part. Here, the data output unit uses valid data only among the encoded image data to output an accumulated valid data column in units of a predetermine line size. Therefore, it becomes possible to increase the process efficiency of the back-end chip and to reduce the power consumption. | 10-16-2008 |
20080225165 | Image Pickup Device and Encoded Data Transferring Method - A method of transferring encoded data and an imaging device executing the method thereof are disclosed. The method of transferring encoded data in accordance with the present invention converts a valid data enable signal to a high or low state, in case JPEG encoded data to be outputted to a receiving part includes start information for one frame, and then maintains the high or low state of the valid data enable signal until the JPEG encoded data to be outputted to the receiving part includes end information for one frame. Therefore, it becomes possible to increase the process efficiency of the back-end chip and to reduce the power consumption. | 09-18-2008 |
20080222369 | Access Control Partitioned Blocks in Shared Memory - A method for controlling multiple access to partitioned areas of a shared memory and a digital processing apparatus having the shared memory are disclosed. According to embodiments of the present invention, the storage area of a shared memory is partitioned to a plurality of storage areas, and each processor accesses a storage area through each access port to store data and transfers an authority to access the pertinent storage area to the other processor, thereby allowing access by the other processor. With the present invention, the data communication time between the plurality of processors can be minimized, and the process efficiency of each processor can be optimized. | 09-11-2008 |
20080215825 | Memory Share by a Plurality of Processors - A method and an apparatus for having a memory shared by a plurality of processors are disclosed. The digital processing apparatus in accordance with an embodiment of the present invention comprises a memory, a main processor connected to one side of the memory through a first memory bus, and application processors in a quantity of n connected parallel to the other side of the memory through a second memory bus. Each application processor performs at least one predetermined function. The main processor is connected parallel to the n application processors through a control bus, and delivers a control signal to at least one application processor through the control bus. With the present invention, the structure of a digital processing apparatus can be simplified, and the cost and size of a digital processing apparatus can be minimized. | 09-04-2008 |
20080198170 | SYSTEM AND METHOD FOR DMA CONTROLLED IMAGE PROCESSING - A system for processing image data from a plurality of images is disclosed. The invention involves alpha blending of two images of different resolution and color space utilizing shared logic for multiple image streams and without display storage frame buffer. The invention utilizes Direct Memory Access (DMA) fetching module for fetching image data from source images or from source image memory areas and transferring the data to another memory area without having to go through a central processing unit or display storage frame buffer. The DMAs are configured with direct registers or memory mapped descriptors as to the location of the source data. The DMA channels of the DMA module will fetch a portion of the source images (tiling) utilizing a link list or series of descriptors in a certain fetching order. The DMA modules can perform the alpha blending on the fetched image data. | 08-21-2008 |