Patent application number | Description | Published |
20080317116 | Method, medium, and system compressing and/or reconstructing image information with low complexity - A system, medium, and method compressing and/or restoring images. Such a data compression method may include selecting a mode from among a plurality of modes for compressing current data, according to predetermined criteria, and calculating a difference between the current data and reference data, according to the selected mode, and compressing the current data, or truncating a part of the current data and compressing the current data. Accordingly, it is possible to significantly lower the complexity of an image encoder/decoder system and exactly meet a picture-based CBR required by LCD DCC devices/systems. | 12-25-2008 |
20090041112 | Method and apparatus of compressing image data - A method and an apparatus of compressing image data are provided. The method of compressing data comprises calculating differences between values of predetermined pixels from among pixels constructing an image and values of reference pixels respectively corresponding to the predetermined pixels; ordering bits, which correspond to bit strings of the differences, into bit planes; and coding the bit planes according to priority of the bit planes. | 02-12-2009 |
20090074290 | Method, medium, and system adjusting predicted values based on color with image compressing/recovering - A method, medium, and system compressing an image, and a method, medium, and system recovering an image. Values of colors of a pixel from among pixels making up an image are predicted from values of colors of a reference pixel corresponding to the pixel, and the predicted values of the colors of the pixel are corrected based on similarities in variations in color values in the image. | 03-19-2009 |
20090092324 | Apparatus, method, and medium encoding/decoding images through application of psycho-visual characteristics - A method, medium, and apparatus encoding and/or decoding an image according to human psycho-visual characteristics. According to a method, medium, and apparatus, error values corresponding to a range in which error values can be recognized because of the human psycho-visual characteristic are selectively encoded. | 04-09-2009 |
20090238453 | Method of compressing a block-based binary image - A method of compressing a 2×2 block based binary image is provided. The method includes: determining whether pixels included in a block are included in existing patterns; generating the number N of the pixels included in the existing patterns (N is a natural number); when N is more than a predetermined value, compressing the block with a binary bit stream comprising information about patterns of the pixels included in the existing patterns and color information about the pixels having a new pattern. The method of compressing a 2×2 block based binary image reduces information damage which may occur during compression and restoration of the binary pattern so that the difference in picture quality between an original image and the restored image can be visibly improved. | 09-24-2009 |
20100091176 | System and method for automatic exposure - Disclosed are an auto exposure system and a method thereof. The auto exposure system may check whether an exposure target value is correct using brightness information of an input image. When the exposure target value is not proper, the auto exposure system may readjust the exposure target value through analyzing the brightness information of the input image. Also, the auto exposure system may correct exposure of the input image based on an exposure correction value according to the adjusted exposure target value, thereby adjusting the exposure of the input image to be proper. Also, exposure information of the input image may be easily obtained from a final exposure target value. | 04-15-2010 |
20100149373 | Apparatus and method of reproducing color - A color reproduction apparatus may include a white balance performing unit to perform white balance with respect to an image obtained from a sensor using a white balance gain, an image restoring unit to restore an RGB image from the white-balanced image by interpolating a color filter array image, a first color corrector to correct a color distortion caused by a light source by applying first correction data, and a second color corrector to correct a color distortion caused by a characteristic of a sensor by applying second correction data. | 06-17-2010 |
20100150439 | Apparatus and method for adjusting auto white balance using effective area - An apparatus and method for auto white balance adjusting using an effective area. The auto white balance adjusting apparatus may extract a grey area from an input image, and select an effective area from the grey area according to color temperature and luminance, thereby performing white balance using the effective area. The auto white balance adjusting apparatus may perform white balance of the input image using image information of the effective area which is a more precise grey area, thereby improving the white balance. | 06-17-2010 |
20110026819 | Apparatus, method, and medium of encoding and decoding image data using sampling - An image data encoding/decoding apparatus and method using sampling is provided. The image data encoding apparatus may compress image data, pre-processed for each block, after sampling or without sampling, and select a more efficient compression mode from results of the compressing. The image data decoding apparatus may determine a decompression mode corresponding to the selected compression mode, and up-sample the image data after decompressing the image data based on a decompression mode, or decompress the image data without sampling, to provide high definition regardless of a type of image data. | 02-03-2011 |
20110032987 | Apparatus and method of encoding and decoding image data using color correlation - An image data encoding apparatus and method and an image data decoding apparatus and method are provided. The image data encoding apparatus may perform at least one image prediction with respect to image data, and select a prediction mode for encoding. The image data encoding apparatus may simultaneously perform both intra prediction and color prediction, and thereby may efficiently perform encoding. | 02-10-2011 |
20110069900 | Random access image encoding system and method - An image encoding system and method for performing random access may be provided. The image encoding system may perform intra prediction based on a processing unit, and code a pixel using a result of the intra prediction. Also, the image encoding system may generate a bitstream with respect to an input image using a Fixed Length Code (FLC). Coding may be performed based on the processing unit, and thus random access may be performed based on the processing unit. | 03-24-2011 |
20110247006 | Apparatus and method of dynamically distributing load in multiple cores - Provided is an apparatus and method of dynamically distributing load occurring in multiple cores that may determine a corresponding core to perform functions constituting an application program, thereby enhancing the entire processing rate. | 10-06-2011 |
20120027314 | Apparatus for dividing image data and encoding and decoding image data in parallel, and operating method of the same - An apparatus and a method for dividing image data into partition slices and encoding and decoding the image data based on a correlation between macroblocks are provided. The macroblocks may be decoded in parallel and thus, it is possible to improve an overall image quality and processing speed. | 02-02-2012 |
20120106863 | IMAGE PROCESSING METHOD AND APPARATUS ADJUSTING PROCESSING ORDER ACCORDING TO DIRECTIVITY - An image processing apparatus may process a macro block by determining a processing order of the macro block based on a predicted directivity. The image processing apparatus may predict a directivity of the macro block based on neighboring pixel data in the macro block, determine the processing order of the macro block based on the predicted directivity, and process the macro block according to the determined processing order, thereby enhancing a data compression rate. | 05-03-2012 |
20130322749 | METHOD OF COMPRESSING A BLOCK-BASED BINARY IMAGE - A method of compressing a 2×2 block based binary image is provided. The method includes: determining whether pixels included in a block are included in existing patterns; generating the number N of the pixels included in the existing patterns (N is a natural number); when N is more than a predetermined value, compressing the block with a binary bit stream comprising information about patterns of the pixels included in the existing patterns and color information about the pixels having a new pattern. The method of compressing a 2×2 block based binary image reduces information damage which may occur during compression and restoration of the binary pattern so that the difference in picture quality between an original image and the restored image can be visibly improved. | 12-05-2013 |
20140146873 | IMAGE PROCESSING APPARATUS AND METHOD - A method and apparatus for applying a tile size adaptively based on a size of a coding unit. An image processing apparatus may detect a size of a largest coding unit (LCU) used in encoding of a video from a header of a bitstream, may determine a tile size adaptively based on the detected size of the LCU, and may decode the bitstream in units of the LCU based on the determined tile size. | 05-29-2014 |
20140185929 | METHOD, MEDIUM, AND SYSTEM COMPRESSING AND/OR RECONSTRUCTING IMAGE INFORMATION WITH LOW COMPLEXITY - A system, medium, and method compressing and/or restoring images. Such a data compression method may include selecting a mode from among a plurality of modes for compressing current data, according to predetermined criteria, and calculating a difference between the current data and reference data, according to the selected mode, and compressing the current data, or truncating a part of the current data and compressing the current data. Accordingly, it is possible to significantly lower the complexity of an image encoder/decoder system and exactly meet a picture-based CBR required by LCD DCC devices/systems. | 07-03-2014 |