| 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 |
