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| Number | Title | Issue Date |
| 8170358 | Image processing method An image processing method is provided. The image processing method includes obtaining a least significant bit (LSB) associated with a pixel block. Further, two bits are reduced from a bit number of each of the pixels of the pixel block. Thereafter whether to carry ... | 05/01/2012 |
| 8160375 | Method, computer program product, and hardware product for implementing lossless image compression by minimizing complex structures using intelligent pixel crawling Lossless image compression is performed by receiving and opening an original image file representing an image. A pixel path is determined in the image by analyzing one or more complex structures in the image. The one or more complex structures are represented using ... | 04/17/2012 |
| 8160376 | Image compression apparatus An image compression apparatus performs quantization of DC component data, low-pass component data and high-pass component data which are generated by frequency conversion of still image data. An extracting part extracts additional data and coding object data which ... | 04/17/2012 |
| 8111933 | Image processing circuit, and display panel driver and display device mounting the circuit A display panel driver including a compression circuit configured to, when receiving image data of a set of pixels of a target block, generate compressed image data corresponding to the target block by compressing the image data, the number of the set of pixels bein... | 02/07/2012 |
| 8031958 | Image signal processing apparatus, camera system and image signal processing method An image signal processing apparatus, the method and a camera system are provided, by which highly efficient processing close to 1-path processing can be performed without deteriorating a picture quality or taking too much time for the processing, a capacity require... | 10/04/2011 |
| 8014622 | Image processing apparatus and method for attribute data encoding M×N attribute data for M×N pixels, where M and N are integer multiple of “L” are input. Data expressed by L bits are encoded, A first encoding control step supplies the M×N attribute data to be encoded in an input order, causing encoding to be executed. A sec... | 09/06/2011 |
| 8009924 | Method and apparatus for recording image data An apparatus for recording image data has an encoding processor that compresses original image data (for example, RAW data), having a plurality of pixels, in accordance with a lossless compression coding; and a recording processor that records the compressed image d... | 08/30/2011 |
| 7936937 | Image processing apparatus and method for attribute data encoding M×N attribute data for M×N pixels, where M and N are integer multiple of “L” are input. Data expressed by L bits are encoded, A first encoding control step supplies the M×N attribute data to be encoded in an input order, causing encoding to be executed. A sec... | 05/03/2011 |
| 7916962 | Data transforming apparatus and control method thereof This invention implements a fast lossless transform almost free from a delay with a small calculation amount. The lossless transform can be used to perform lossless coding and lossy coding quickly. A first calculation unit multiplies data D0, D1, D2... | 03/29/2011 |
| 7912304 | Image processing circuit, and display panel driver and display device mounting the circuit A display panel driver includes: a compression circuit, when receiving image data of N×M pixels of a target block, generating compressed image data corresponding to the target block by compressing the image data; an image memory storing the compressed image data; a... | 03/22/2011 |
| 7769239 | Efficient bit-exact lossless image coding residual system A system and method for bit-exact lossless compression coding of still and moving images. An original image is encoded to produce a lossy compressed image, and is also used to construct a sorted list of bin values to which the lossy image is compared to generate out... | 08/03/2010 |
| 7760954 | System and method for incremental and continuous data compression A data compression system and method for that is capable of detecting and eliminating repeated phrases of variable length within a window of virtually unlimited size. ... | 07/20/2010 |
| 7751635 | Compression into a fixed size buffer The method compresses image data into a fixed sized memory. The image is encoded in scans, where the scans are ordered from a perceptually most significant scan to a perceptually least significant scan. The scans also have an attribute 210 determining whether... | 07/06/2010 |
| 7724973 | Methods and apparatuses for processing data representing a visual frame The methods and apparatuses detect a plurality of pixels within a frame; separate a portion of the plurality of pixels into a lossless category based on inclusion of the portion of the plurality of pixels within a color list; and identify a particular pixel as an is... | 05/25/2010 |
| 7724974 | Efficient halftone image compression An image compression algorithm (10) and complementary decompression algorithm (20) are disclosed. The compression algorithm (10) maintains a set of reference points (610, 611, 612 and 613), each reference point having a predetermin... | 05/25/2010 |
| 7689051 | Predictive lossless coding of images and video Predictive lossless coding provides effective lossless image compression of both photographic and graphics content in image and video media. Predictive lossless coding can operate on a macroblock basis for compatibility with existing image and video codecs. Predicti... | 03/30/2010 |
| 7643693 | Fast lossless encoder for digitized analog data Lossless compression and the corresponding decompression of image and audio data are enabled using a combination of dynamic prediction and Golomb coding. First, data is converted from the RGB domain into the YUV domain. Next, a dynamic prediction algorithm is run to... | 01/05/2010 |
| 7570826 | Method for improving print quality by using lossless image compression (JPEG-LS) technology and system thereof A method for improving print quality by using lossless image compression (JPEG-LS) technology and system thereof are provided. The detailed characteristics of prediction errors generated during lossless image compression encoding or decoding process are retrieved an... | 08/04/2009 |
| 7515761 | Encoding device and method It is an object of the present invention to provide an encoding device and an encoding method that allow even faster speeds to be achieved by reducing the waiting time during which variable-length encoding is performed. An encoding device performing run-length encod... | 04/07/2009 |
| 7508991 | Method of generating a sequence of matrix factors for a transformation matrix A method of generating a sequence of matrix factors for a transformation matrix having a plurality of rows and columns using a computer, wherein the transformation matrix stores data values representing a wavelet transform. In a first aspect, at least one plurality ... | 03/24/2009 |
| 7489825 | Method and apparatus for creating a multi-resolution framework for improving medical imaging workflow Method and apparatus for handling data comprises decomposing data into a plurality of resolution levels using an integer wavelet decomposition. A transform module may be used to perform forward and inverse transformations on multi-dimensional data using integer wave... | 02/10/2009 |
| 7480417 | System and method for encoding mosaiced image data employing a reversible color transform A new color space that maps image pixel values in a mosaiced sampling pattern (such as that generated by a Bayer color filter array) into four color channels that correspond to rectangular sampling patterns. Because these new channels correspond to a rectangular sam... | 01/20/2009 |
| 7450773 | Image processing apparatus and image processing method, image processing system, image processing program and storage medium An image processing apparatus includes an image data acquisition unit to acquire first encoded image data of a first data size, an image data creation unit to create a second encoded image data of a second, smaller data size than the first data size from the first e... | 11/11/2008 |
| 7430331 | System and method for incremental and continuous data compression A data compression system and method for that is capable of detecting and eliminating repeated phrases of variable length within a window of virtually unlimited size. ... | 09/30/2008 |
| 7424163 | System and method for lossless image compression A method of lossless image data compression including the steps of: (a) receiving an image; (b) forming a residual image by differencing adjacent samples of the received image; (c) forming multiple bitplanes directly from the residual image; (d) predicting polaritie... | 09/09/2008 |
| 7421138 | Data compression and expansion of a digital information signal A data compression apparatus receives a digital information signal, determines a probability signal from the digital information signal and at least one previously determined value of the probability signal, entropy encodes the digital information signal into a comp... | 09/02/2008 |
| 7415158 | Method for determining whether to use a lossy or lossless codec to compress a digital image using a table of non-allowed pixel values A mechanism for determining whether an image is of lossy-origin or lossless origin is used to maximize the compression ratio of any future compressions and avoid wasting the precious resources associated with lossless compression/decompression on any image that has ... | 08/19/2008 |
| 7412104 | Optimized lossless data compression methods A method for losslessly encoding and compressing and decoding original, raw, raster data, and other files by optimizing the results of preprocessing and transformation techniques. Four stages are involved: pre-processing during which the data is replaced by predicti... | 08/12/2008 |
| 7403665 | Deblocking method and apparatus using edge flow-directed filter and curvelet transform A deblocking method and apparatus using an edge flow-directed filter and curvelet transform for deblocking Block Discrete Cosine Transform (BDCT) compressed images. The deblocking method includes: extracting an edge flow vector from a Block Discrete Cosine Transform... | 07/22/2008 |
| 7373005 | Compression system for integrated sensor devices An imaging system incorporating adaptive compression which includes determining linear predictive differential residuals from an imager array pixel row. The differential residuals are classified into categories, each category having a range of differential residuals... | 05/13/2008 |
| 7369066 | Efficient 8×8 CABAC residual block transcode system A circuit generally including a first module, a second module and a third module is disclosed. The first module may be configured to (i) generate a plurality of parsed residual blocks by parsing a plurality of 4×4 CAVLC (context-based adaptive variable length codin... | 05/06/2008 |
| 7369070 | Control of analog to digital conversion for analog I/O boards A system and method for converting analog signals to digital signals minimize the latency of the analog to digital conversion for real-time systems. The conversion system and method implements the hardware of an analog to digital converter input/output (I/O) board a... | 05/06/2008 |
| 7369270 | Print engine/controller and printhead interface chip incorporating the engine/controller A print engine/controller suited to use with a drop on demand print head. The print engine/controller works with compressed page data having both JPEG contone image layers and a bi-level image plane compressed using a Group 4 facsimile protocol. It receives compress... | 05/06/2008 |
| 7369707 | Intra-picture prediction coding method The intra-picture prediction coding apparatus 150a is comprised of: an intra-picture prediction mode candidate determination unit 156a that determines intra-picture prediction mode candidates by switching among intra-picture prediction mo... | 05/06/2008 |
| 7365659 | Method of context adaptive binary arithmetic coding and coding apparatus using the same A method of context adaptive binary arithmetic coding (CABAC) of a sequence of data slices permits for quick initialization of context models. The data slices include a plurality of binarized symbols with context individual values having one or more bins of the bina... | 04/29/2008 |
| 7363225 | Compressing language models with Golomb coding A list of integer values is generated from n-grams of a user input. The list of integer values is sorted. Differences between adjacent integer values in the list are calculated. Each calculated difference is encoded using a Golomb code. A Golomb compressed language ... | 04/22/2008 |
| 7352811 | Data encoding apparatus and method A data encoding apparatus operable to encode a plurality of data blocks produces encoded data in accordance with at least one of a selectable target data quantity or a selectable target data quality. The apparatus comprises a plurality of encoding processors at leas... | 04/01/2008 |
| 7349135 | Time multiplexed image data decompression circuit A circuit which uses a compressor to divide each separation image into 8-line strips, and to independently compress each strip, a single decompressor to decompress two or more color image separations, strip by strip, by interleaving them, and to apply them to two or... | 03/25/2008 |
| 7346220 | Method and apparatus for reducing the bandwidth required to transmit image data The invention is directed to a method and apparatus for reducing the bandwidth required to transmit image data to a display device. It is contemplated that the image data represents a plurality of pixels defining an image for display on the display device, and that ... | 03/18/2008 |
| 7346215 | Apparatus and method for capturing a document An apparatus for capturing a document with a plurality of compression models comprises an image-processing system and an image-capturing system. The image-processing system is for accepting a request of setting the compression models for the document and processing ... | 03/18/2008 |
