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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/246
Name: Image analysis > Image compression or coding > Lossless compression > Huffman or variable-length coding
Description: Subject matter in which image data are encoded using a variable length code, such that the most common image data have the shortest codes.


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
RE40980 Adaptive variable-length coding and decoding methods for image data Nov. 17, 2009
RE40981 Adaptive variable-length coding and decoding methods for image data Nov. 17, 2009
7616688 VSB transmission system for processing supplemental transmission data Nov. 10, 2009
7613349 Image processing apparatus and method Nov. 3, 2009
7609904 Transform coding system and method Oct. 27, 2009
7602850 Content adaptive variable length coding (CAVLC) decoding Oct. 13, 2009
7593466 Generalized reference decoder for image or video processing Sep. 22, 2009
RE40909 Adaptive variable-length coding and decoding methods for image data Sep. 8, 2009
7586426 Image coding apparatus and method thereof Sep. 8, 2009
7583733 Methods and apparatus for facilitating network splicing Sep. 1, 2009
7580462 Method and system to improve the transport of compressed video data Aug. 25, 2009
7580167 Determining whether to convert image data in an input color space to an output color space in a transform domain or real domain Aug. 25, 2009
7580166 Converting image data in an input color space to an output color space in a transform domain Aug. 25, 2009
7580585 Lossless adaptive Golomb/Rice encoding and decoding of integer data using backward-adaptive rules Aug. 25, 2009
7574065 Variable-length code decoder Aug. 11, 2009
7574058 Image processing apparatus, method and program on a computer-readable medium that increases compression rate Aug. 11, 2009
7565017 Palettized image compression Jul. 21, 2009
7565025 Image recording method for image data having image components of three channels and a transmission ratio component of one channel, apparatus and computer readable recording medium storing prog Jul. 21, 2009
7558322 Method and apparatus for temporal wavelet compression Jul. 7, 2009
7558431 Method and system for discrete cosine transforms/inverse discrete cosine transforms based on pipeline architecture Jul. 7, 2009
RE40782 Adaptive variable-length coding and decoding methods for image data Jun. 23, 2009
RE40783 Adaptive variable-length coding and decoding methods for image data Jun. 23, 2009
7548658 Lossless video data compressor with very high data rate Jun. 16, 2009
7545987 Image processing apparatus and image processing method Jun. 9, 2009
7542616 Apparatus and method for compressing image data Jun. 2, 2009
7539249 Method and system to improve the transport of compressed video data May. 26, 2009
7539247 VSB transmission system for processing supplemental transmission data May. 26, 2009
7539346 H.264 decoding method for fast CAVLC May. 26, 2009
7535386 Variable length code decoding device and decoding method May. 19, 2009
7532358 Hardware implemented loss-less page data compressor/decompressor May. 12, 2009
7526030 Digital signal conversion method and digital signal conversion device Apr. 28, 2009
7526134 Image processing apparatus, program, recording medium, and data decompression method Apr. 28, 2009
7522666 VSB transmission system for processing supplemental transmission data Apr. 21, 2009
7522778 Image decoding technique for suppressing tile boundary distortion Apr. 21, 2009
7519229 Video coding system providing separate coding chains for dynamically selected small-size or full-size playback Apr. 14, 2009
7515762 Method and apparatus for lossless data transformation with preprocessing by adaptive compression, multidimensional prediction, multi-symbol decoding enhancement enhancements Apr. 7, 2009
7508328 Entropy processor for decoding Mar. 24, 2009
7505631 Image coding and decoding methods, image coding and decoding apparatuses, and recording media for image coding and decoding programs Mar. 17, 2009
7502416 Method and system to improve the transport of compressed video data Mar. 10, 2009
7483581 Apparatus and method for encoding digital image data in a lossless manner Jan. 27, 2009
7483585 Image compression using variable bit size run length encoding Jan. 27, 2009
7480418 Method for processing a digital image and image representation format Jan. 20, 2009
7471820 Correction method for defects in imagers Dec. 30, 2008
7471724 Method and apparatus for adaptive multiple-dimensional signal sequences encoding/decoding Dec. 30, 2008
7466867 Method and apparatus for image compression and decompression Dec. 16, 2008
7460722 Encoding of digital data with determination of sample path Dec. 2, 2008
7457363 Method and apparatus for multi-threaded variable length coding Nov. 25, 2008
7450644 Method and system to improve the transport of compressed video data in real time Nov. 11, 2008
7450775 Image processing apparatus for efficient storage of variable block length data Nov. 11, 2008
7447372 System(s), method(s), and apparatus for decoding exponential Golomb codes Nov. 4, 2008

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