Patent application number | Description | Published |
20090015725 | METHOD AND APPARATUS FOR OUTPUTTING VIDEO FRAMES WHILE CHANGING CHANNELS WITH DIGITAL BROADCAST RECEIVER - A method and apparatus for outputting video frames while changing channels using a digital broadcast receiver are provided. The method includes sequentially tuning to a plurality of channels and receiving a plurality of digital broadcast signals from the respective channels; extracting a plurality of video frames from the respective digital broadcast signals and storing the video frames; receiving a digital broadcast signal from a desired channel to be tuned upon receiving a channel-change command; and outputting at least one of the stored video frames before a digital broadcast signal of the desired channel is output. | 01-15-2009 |
20090019513 | METHOD AND APPARATUS FOR CHANGING CHANNEL IN DIGITAL BROADCASTING RECEIVER - A method and apparatus for changing a channel in a digital broadcasting receiver and for hiding a delay that occurs due to the change of the channel are provided. The method includes receiving broadcasting data of at least one channel except for a current channel by using a time division method, based on a pre-set schedule; storing the received broadcasting data; and when a control signal for changing a channel is input, outputting broadcasting contents of the changed channel, which corresponds to the control signal, to the display device by using the stored broadcasting data. | 01-15-2009 |
20090034866 | METHOD OF REMOVING BLUR WITHOUT RINGING-ARTIFACT - Provided is an image processing method and apparatus for removing blur in a screen image, including detecting blur in an input image, segmenting the image according to an amount of the detected blur, performing a high pass filtering of the segmented image in a horizontal direction and a vertical direction, detecting corresponding weights by using corresponding coefficients of each direction obtained from filtering; and restoring the image by applying the detected weights to one of: an iterative form or a closed form of an image restoration. | 02-05-2009 |
20090083797 | METHOD FOR DISPLAYING EXTRA INFORMATION AND VIDEO APPARATUS THEREOF - A method for displaying extra information and a video apparatus thereof. The method includes displaying the image, receiving a user's command to display the extra information on a specific area of the display, and displaying the extra information on the specific area, and shifting the image out of the specific area, such that a portion of the image is displayed. | 03-26-2009 |
20090141151 | Dynamic range enhancement method and apparatus - A dynamic range enhancement method and apparatus for an imaging device expands a dynamic range of an input image without an associated increase in the amount of image calculations. The dynamic range enhancement method includes producing brightness information and color information from an input image; applying gamma correction and inverse gamma correction to the brightness information to produce a gamma corrected image and an inverse gamma corrected image; comparing variances of the gamma corrected image and the inverse gamma corrected image at identical spots; and expanding a dynamic range of the input image by selecting one of the variances at each spot. The dynamic range of an input image is expanded by applying a post imaging process without increasing calculation amount of the imaging device. | 06-04-2009 |
20090154826 | METHOD AND APPARATUS FOR ELIMINATING DEFECTIVE PIXELS AND NOISE - A method and apparatus for eliminating defective pixels and noise in which each pixel value of an image is extracted using a color filter. A mean value of the extracted image is calculated A noise variance, a first threshold for determining whether a pixel is defective, and a second threshold for calculating a weight value for a pixel are all estimated from the mean value. There is a determination as to whether each pixel is defective, and a weight value, a weighted signal mean and a weighted signal variance of the each pixel are all calculated, and noise eliminated from the image using the noise variance, the weighted signal mean, and the weighted signal variance. | 06-18-2009 |
20090154831 | METHOD AND APPARATUS FOR DITHERING A PIXEL VALUE IN IMAGE - Disclosed is a method and an apparatus for dithering a pixel value in a image. The method includes checking a difference in chrominance signals between a particular pixel and a pixel adjacent to the particular pixel, in an input image, designating the particular pixel as being in a flat or a non-flat area in consideration of the difference in chrominance signals and dithering the particular pixel when the pixel is designated as being in the non-flat area. | 06-18-2009 |
20090174725 | APPARATUS AND METHOD FOR PROVIDING ENHANCED VISIBILITY IN MOBILE TERMINAL - A screen display apparatus and method of measuring an ambient brightness by adjusting color quality of an output screen in a mobile terminal according to the ambient brightness, so that the visibility of the screen can be ensured in various environments. The includes measuring an ambient brightness of the mobile terminal, and generating a visibility adjustment event when a measured ambient brightness value is equal to or greater than a preset specific external brightness value. The received RGB signal is converted into first tristimulus values, then to L, a, b color space valueslightness (L), chroma (C), and hue (H) values using a predetermined equation. The brightness of an entire region of the image is adjusted and output on the display screen of the mobile terminal, and the chroma of each pixel region is adjusted by using the L, C, and H values. | 07-09-2009 |
20090180583 | BLOCK-BASED OBJECT COUNTING APPARATUS AND METHOD - A block-based object counting apparatus and a block-based object counting that improves the counting of objects by using a camera. The object counting apparatus includes: a camera acquiring an image; a storage unit for storing average sizes and error data of an object in units of image blocks; and a control unit having a data inputter for receiving the acquired image for input, an object size determinator for determining appearance of the object by comparing a current image with a previous image and then determining the size of the object, a block determinator for determining a block where the object is located, and a counter for counting the object and fixing the counting of the object by comparing the size and location data of the object with data stored in a storage unit. | 07-16-2009 |
20090183202 | METHOD AND APPARATUS TO DISPLAY PROGRAM INFORMATION - A method of displaying program information includes generating at least one representative video by extracting a part from video data of content, extracting at least one piece of additional information from the content, and generating the program information by assembling the generated at least one representative video and the extracted at least one piece of additional information. By using the method, moving picture program information is provided instead of table type program information. Accordingly, a user conveniently selects a desired content, while enjoying a moving picture, compared to a conventional of directly selecting the desired content based on the table type program information. | 07-16-2009 |
20090185057 | APPARATUS AND METHOD FOR ESTIMATING SIGNAL-DEPENDENT NOISE IN A CAMERA MODULE - A method and apparatus for estimating signal-dependent noise in a camera module are provided, in which an image is decomposed into high frequency components and low frequency components, a variance of noise in the image is estimated using the low frequency components, noise is eliminated from the high frequency components using the estimated noise variance, and the image is recovered using the noise-eliminated high frequency components and the low frequency components. | 07-23-2009 |
20090207274 | Apparatus and method for adjusting white balance in a digital imaging device - A method and apparatus for adjusting a white balance in a digital imaging device. The method including the steps of: analyzing a histogram of an image to which a white balance algorithm is to be applied; classifying the image, to which the white balance algorithm is to be applied, according to color distribution determination criteria; and the white balance algorithm is applied to the image in a customized manner based on results of the classification based on color distributions. The apparatus includes an image sensor unit for photographing a subject and for creating an original image; and an image processing unit for finding an achromatic color region through estimation of a color temperature of the original image, for extracting a white point of the achromatic color region, and for adjusting a white balance of the original image. | 08-20-2009 |
20100079629 | APPARATUS AND METHOD FOR CORRECTING DEFECTIVE PIXEL - Disclosed is an apparatus for correcting a value of a defective pixel based on values of neighboring pixels of the defective pixel, the apparatus includes a plurality of first-stage median filters for receiving a value of a target pixel and values of neighboring pixels of the target pixel, and outputting median values of the received values; and at least one second-stage median filter for receiving the value of the target pixel and the median values from the first-stage median filters, and outputting a median value of the values received by the second-stage median filter. | 04-01-2010 |
20100177210 | METHOD FOR ADJUSTING WHITE BALANCE - A white balance adjustment method is disclosed, in which a plurality of input pixels are transformed into a digital component color space, a hue region of each of the color-space transformed input pixels is determined, and a transformation matrix is determined according to the determined hue region. | 07-15-2010 |
20100214434 | APPARATUS AND METHOD FOR ADJUSTING WHITE BALANCE OF DIGITAL IMAGE - A method and an apparatus are provided for adjusting white balance of a digital image. An input image is converted into a YCbCr color space. White pixels of the converted input image are detected by determining whether each pixel of the converted input image is included in a preset region of the YCbCr color space. A gain of each channel is calculated from averages of R, G and B values of the detected white pixels. White balance adjustment is performed by applying the calculated gain of each channel to each pixel of the input image. | 08-26-2010 |
20100226579 | IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING AN EDGE OF AN OBJECT WITHIN AN IMAGE - An image processing method and apparatus capable of easily detecting an edge of an object from an input image, in which the edge is detected using one step, without a pre-processing step, and a complicated trigonometric function is not used for gradient detection. The image processing method includes setting a window within an input image, analyzing the window to determine directions of edges of objects within the image included in the window, detecting edge information including the edge directions, and processing and outputting the window using the edge information. | 09-09-2010 |
20100238316 | APPARATUS AND METHOD FOR CLASSIFYING IMAGES - An image classification apparatus and method for Automatic White Balance (AWB) are provided. An input image is divided into blocks including pluralities of pixels. A hue value and a chroma value are calculated for each of the blocks. A color-changed block is detected by calculating, for each one of the blocks, differences between the hue and chroma values calculated for all blocks adjacent to the one of the blocks and the hue and chroma values calculated for the one of the blocks. A hue variance and a chroma variance are calculated for the entire input image if a number of the detected color-changed blocks is greater than or equal to a first threshold. The input image is determined as a non-monochromatic image, if the hue variance is greater than or equal to a second threshold or the chroma variance is greater than or equal to a third threshold. | 09-23-2010 |
20110007969 | METHOD AND APPARATUS FOR CORRECTING LENS SHADING - A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions. | 01-13-2011 |
20110032396 | EDGE-ADAPTIVE INTERPOLATION AND NOISE FILTERING METHOD, COMPUTER-READABLE RECORDING MEDIUM, AND PORTABLE TERMINAL - An edge-adaptive interpolation and noise filtering method is provided including performing primary interpolation on a first color, based on a first preset number of directions, with respect to a first color window obtained from an input image window, estimating an edge direction within a primary interpolated first color window obtained by the primary interpolation, based on a second preset number of directions, the second preset number of directions being larger than the first preset number, with respect to the primary interpolated first color window, performing secondary interpolation on the first color, based on the estimated edge direction, with respect to the primary interpolated first color window, and performing interpolation on a second color, based on the estimated edge direction, with respect to a second color window obtained from the input image window. | 02-10-2011 |
20110099492 | METHOD AND APPARATUS FOR PROVIDING UI ANIMATION - A method and apparatus for translating between an object displayed in a first mode of a user interface (UI) and a second mode of the UI. The method includes determining a current UI mode from among UI modes, which include a physics animation mode and a non-physics animation mode, and determining an animation type of the current UI mode; extracting current UI information, associated with the animation type of the current UI mode, of a UI object; translating the current UI information of the UI object to translation UI information of the UI object associated with the animation type of another UI mode among the UI modes; and storing the translation UI information. | 04-28-2011 |
20110188774 | IMAGE GENERATING APPARATUS AND METHOD FOR EMPHASIZING EDGE BASED ON IMAGE CHARACTERISTICS - An image generating apparatus and method for emphasizing an edge, based on image characteristics by extracting an edge region from an input original image, and an edge gain indicating a degree for emphasizing the edge region and an edge threshold indicating a degree of complexity between pixels are calculated for each of a plurality of image regions of the original image. The extracted edge region is combined with the calculated edge gain. Thresholding is performed by adjusting the calculated edge threshold for the edge region combined with the edge gain, and the thresholding-applied edge region is combined with the original image to output a final image. By adaptively adjusting an edge gain and an edge threshold for a portion where an edge needs to be emphasized and the other portions in an image having multiple image characteristics, both edge emphasis and noise cancellation can be achieved together. | 08-04-2011 |
20110194764 | APPARATUS AND METHOD FOR REMOVING DEFECTIVE PIXELS - A method for removing defective pixels using a signal processing scheme with a Bayer pattern, by determining an output value of the inter-channel according to whether or not a difference between a center pixel and an average of neighboring pixels, which have the same color as that of the center pixel, is greater than or equal to a threshold value; and using values of neighboring pixels nearest to a center pixel as an input, obtaining an output value of the cross-channel by finding a median value among a median value of vertical and horizontal lines including the center pixel, a median value of diagonal lines including the center pixel, and a value of the center pixel. Then, a defective pixel is removed, through the use of the output value of the inter-channel, the output value of the cross-channel, and the value of the center pixel. | 08-11-2011 |
20110221937 | METHOD AND DEVICE FOR REDUCING IMAGE COLOR NOISE - A device and method for reducing color noise of an image by using a distance weight depending on a distance from a central pixel for each pixel of an image and an edge weight depending on the difference in luminance and chrominance with the central pixel is provided, which can effectively reduce the color noise of the image by using the correlation between the luminance and the chrominance and edge characteristics. | 09-15-2011 |
20120287034 | METHOD AND APPARATUS FOR SHARING DATA BETWEEN DIFFERENT NETWORK DEVICES - Disclosed are a user interface for a data sharing function according to network connection between network electronic devices and a user device for operating a data sharing function using same. The method for sharing data between network electronic devices, includes: searching network electronic devices located at a periphery of a user device when an input for performing a data sharing function is sensed; classifying the searched network electronic devices into transmission side network electronic devices and reception side network electronic devices; allotting the searched network electronic devices to a first region for receiving data and a second region for transmitting the data, respectively; and configuring and displaying a user interface for a data sharing function based on the network electronic devices allotted to the first region and the second regions. | 11-15-2012 |
20130027590 | APPARATUS AND METHOD FOR REMOVING NOISE GENERATED FROM IMAGE SENSOR - The present invention provides a method for efficiently removing noise of an image sensor. To this end, the present invention enables: an area to be divided into an edge area, a sensitivity difference generation area, and a pattern area relative to an input image of a Bayer pattern; and different noise removing methods to be applied according to each of the divided areas. By doing this, noise can be removed efficiently since the noise is adaptively removed in each area. Further, sensitivity differences between Gr and Gb are considered in such a manner that resolution can be improved. | 01-31-2013 |
20130107084 | METHOD AND APPARATUS FOR IMAGE PROCESSING | 05-02-2013 |
20130113950 | APPARATUS AND METHOD FOR GENERATING MOTION BLUR IN MOBILE TERMINAL - An apparatus and a method for generating a motion blur in a mobile terminal are provided. It is determined whether motion halting occurs during video shooting. If the motion halting occurs, a motion vector of each block between first and second consecutive images where the motion halting has occurred is estimated. A motion blur is generated on the second image using the motion vector of each block, and the motion-blurred image is displayed on a display unit. | 05-09-2013 |
20130117698 | DISPLAY APPARATUS AND METHOD THEREOF - A display method of a display apparatus is provided. The display method includes displaying an interaction image including one or more objects therein, detecting a touch input with respect to the interaction image, and if detecting the touch input, changing a display status of the interaction image to express physical interaction of the one or more objects in response to the touch input. | 05-09-2013 |
20130293742 | APPARATUS AND METHOD FOR DETECTING FLICKER IN CAMERA MODULE - An apparatus and method for detecting flicker in a camera module is provided. The method including generating a first image frame and a second image frame, setting up a first sampling area in the first image frame and a second sampling area in the second image frame, sampling a plurality of horizontal lines from among all of the horizontal lines contained in each of the first sampling area and the second sampling area, accumulating brightness values of pixels located on each of the sampled horizontal lines to generate first accumulated brightness values for the first image frame and second accumulated brightness values for the second image frame, and detecting flicker based on the first accumulated values and the second accumulated values, wherein the first sampling area and the second sampling area have the same sizes and the same horizontal starting points but have different vertical starting points. | 11-07-2013 |
20140016878 | METHOD FOR DIRECTIONAL ADAPTIVE IMAGE INTERPOLATION AND AN ELECTRONIC DEVICE THEREOF - A method of operating an electronic device for image interpolation is provided. The method includes estimating a direction of pixels using a plurality of filters respectively corresponding to a plurality of angles, correcting the direction of the pixels using a direction of neighboring pixels, determining whether the direction estimation has an error according to a direction distribution of the neighboring pixels, and when the direction estimation is determined to have error, correcting the error in the direction estimation. | 01-16-2014 |
20140101699 | METHOD FOR PROVIDING MULTIMEDIA CONTENT LIST, AND MULTIMEDIA APPARATUS APPLYING THE SAME - A method of displaying a list is provided. The method includes receiving a user command to display a list of multimedia content, determining at least one multimedia content which matches a pre-stored keyword from among a plurality of multimedia content included in the list, in response to the user command, and displaying the list including the plurality of multimedia content based on the result of the determination, wherein the displayed list displays the pre-stored keyword as overlapping the least one multimedia content matching the pre-stored keyword from among the plurality of multimedia content. | 04-10-2014 |
20140123081 | DISPLAY APPARATUS AND METHOD THEREOF - A display method of a display apparatus is provided. The display method includes displaying an image on a screen, detecting a touch manipulation with respect to the image, and if the touch manipulation is detected, changing a display status of the image according to a physical attribute of the touch manipulation. | 05-01-2014 |
20150066925 | Method and Apparatus for Classifying Data Items Based on Sound Tags - A method for grouping data items in a mobile device is disclosed. In this method, a plurality of data items and a sound tag associated with each of the plurality of data items are stored, and the sound tag includes a sound feature extracted from an input sound indicative of an environmental context for the data item. Further, the method may include generating a new data item, receiving an environmental sound, generating a sound tag associated with the new data item by extracting a sound feature from the environmental sound, and grouping the new data item with at least one of the plurality of data items based on the sound tags associated with the new data item and the plurality of data items. | 03-05-2015 |
20150077381 | METHOD AND APPARATUS FOR CONTROLLING DISPLAY OF REGION IN MOBILE DEVICE - According to an aspect of the present disclosure, a method for controlling display of a region on a touch screen display of a mobile device is disclosed. The method includes receiving a command indicative of zooming by a first sensor, sensing at least one image including at least one eye by a camera, determining a direction of a gaze of the at least one eye based on the at least one image, determining a target region to be zoomed on the touch screen display based on the direction of the gaze, and zooming the target region on the touch screen display. | 03-19-2015 |
20150081295 | METHOD AND APPARATUS FOR CONTROLLING ACCESS TO APPLICATIONS - According to an aspect of the present disclosure, a method for controlling access to a plurality of applications in an electronic device is disclosed. The method includes receiving a voice command from a speaker for accessing a target application among the plurality of applications, and verifying whether the voice command is indicative of a user authorized to access the applications based on a speaker model of the authorized user. In this method, each application is associated with a security level having a threshold value. The method further includes updating the speaker model with the voice command if the voice command is verified to be indicative of the user, and adjusting at least one of the threshold values based on the updated speaker model. | 03-19-2015 |
20150082406 | METHOD AND APPARATUS FOR CONTROLLING ACCESS TO ELECTRONIC DEVICES - According to an aspect of the present disclosure, a method for controlling access to a plurality of electronic devices is disclosed. The method includes detecting whether a first device is in contact with a user, adjusting a security level of the first device to activate the first device when the first device is in contact with the user, detecting at least one second device within a communication range of the first device, and adjusting a security level of the at least one second device to control access to the at least one second device based on a distance between the first device and the at least one second device. | 03-19-2015 |