| Patents for H03M 7 - Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits (33,242) |
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| 05/04/2005 | CN1200571C Orthogonal transformation, inverse orthogonal transformation method and device, and encoding and decoding method and device |
| 05/04/2005 | CN1200568C Optimum scanning method for change coefficient in coding/decoding image and video |
| 05/04/2005 | CN1200563C Image coding method and device |
| 05/04/2005 | CN1200404C Code-excited linear predict voice coder and decoder with pulse series restraint |
| 05/04/2005 | CN1200403C Vector quantizing device for LPC parameters |
| 05/04/2005 | CN1200354C Automatic copmressing/decompressing file system |
| 05/03/2005 | US6889297 Methods and systems for eliminating data redundancies |
| 05/03/2005 | US6889261 Method and apparatus for header compression |
| 05/03/2005 | US6889235 Method and apparatus for quantifying the number of identical consecutive digits within a string |
| 05/03/2005 | US6888891 Wavelet domain half-pixel motion compensation |
| 05/03/2005 | US6888890 Device and method for searching for a motion vector |
| 05/03/2005 | US6888815 Subscriber unit for compressing and transmitting high speed data |
| 05/03/2005 | US6888484 Stable high-order delta-sigma error feedback modulators, and noise transfer functions for use in such modulators |
| 05/03/2005 | US6888478 Data recording on digital media using direction and position of recording for compression of recorded data |
| 05/03/2005 | CA2327405C Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency |
| 05/03/2005 | CA2176665C Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter |
| 04/28/2005 | WO2005039058A1 Encoding data generation method and device |
| 04/28/2005 | WO2005039057A1 Data compression system and method |
| 04/28/2005 | WO2005038742A1 Method and device for generating traffic information |
| 04/28/2005 | WO2005001760A3 Fast loss less image compression system based on neighborhood comparisons |
| 04/28/2005 | US20050091519 Method and system for authentication information encryption for .ZIP files |
| 04/28/2005 | US20050091517 Method and system for mixed symmetric and asymmetric encryption of .ZIP files |
| 04/28/2005 | US20050091489 Method and system for multiple asymmetric decryption of .ZIP files |
| 04/28/2005 | US20050089235 Intra-picture prediction coding method |
| 04/28/2005 | US20050089222 Method for quantization of histogram bin value of image |
| 04/28/2005 | US20050089100 Motion vector detection apparatus for performing checker-pattern subsampling with respect to pixel arrays |
| 04/28/2005 | US20050089098 Data processing apparatus and method and encoding device of same |
| 04/28/2005 | US20050089094 Intra prediction method and apparatus |
| 04/28/2005 | US20050089091 Systems and methods for reducing frame rates in a video data stream |
| 04/28/2005 | US20050088328 Variable-order delta sigma modulator and DA converter |
| 04/28/2005 | US20050088326 Broadband sigma-delta modulator |
| 04/28/2005 | US20050088324 Device for arithmetic decoding/encoding, and device using the same |
| 04/28/2005 | CA2580538A1 Data compression system and method |
| 04/28/2005 | CA2523144A1 Encoding data generation method and device |
| 04/27/2005 | EP1526739A2 Method for extracting macro block at high speed in mobile communication system |
| 04/27/2005 | EP1526738A2 Intra prediction method and apparatus |
| 04/27/2005 | EP1526646A2 arithmetic decoding/encoding device with parallel symbolcoding and context number calculation of next symbol |
| 04/27/2005 | EP1525750A1 3d wavelet video coding and decoding method and corresponding device |
| 04/27/2005 | EP1525749A1 Video coding method and device |
| 04/27/2005 | EP1525663A1 Digital data compression robust relative to transmission noise |
| 04/27/2005 | EP1525576A1 Arrangement and method for the generation of a complex spectral representation of a time-discrete signal |
| 04/27/2005 | CN1611079A Video encoding method |
| 04/27/2005 | CN1611077A 空间可缩放的压缩 Spatial scalable compression |
| 04/27/2005 | CN1610410A Intra prediction method and apparatus |
| 04/27/2005 | CN1610409A Highly integrated MPEG-4 video decoding unit and related decoding method |
| 04/27/2005 | CN1610265A Arithmetic decoding/encoding device, portable terminal, moving image photographic and recording / reproducing apparatus |
| 04/27/2005 | CN1199472C Variable length decoder for decoding digitally encoded video signals |
| 04/27/2005 | CN1199470C Scalable coding |
| 04/27/2005 | CN1199468C 图像数据压缩 Image Data Compression |
| 04/27/2005 | CN1199456C Communication method for protecting secret video telephone communication and video telephone device |
| 04/27/2005 | CN1199448C Method and apparatus for motion compensated upconversion of video scan rate conversion |
| 04/27/2005 | CN1199179C Audio coding for attenuating spectral adjacent channel interference at frame boundaries |
| 04/27/2005 | CN1199174C Portable information terminal and method of processing audio data |
| 04/27/2005 | CN1199151C Speech coder |
| 04/27/2005 | CN1199135C Embedding auxiliary data in information signal |
| 04/26/2005 | US6885986 Refinement of pitch detection |
| 04/26/2005 | US6885756 Apparatus and method for embedding watermark information in compressed image data, and apparatus and method for retrieving watermark information from compressed image data having watermark information embedded therein |
| 04/26/2005 | US6885749 Scrambling a compression-coded signal |
| 04/26/2005 | US6885705 Motor vector detection apparatus for performing checker-pattern subsampling with respect to pixel arrays |
| 04/26/2005 | US6885321 Skew-tolerant gray codes |
| 04/26/2005 | US6885320 Apparatus and method for selecting length of variable length coding bit stream using neural network |
| 04/26/2005 | US6885319 System and method for generating optimally compressed data from a plurality of data compression/decompression engines implementing different data compression algorithms |
| 04/21/2005 | WO2005036757A1 Delta sigma modulator with integral decimation |
| 04/21/2005 | WO2005036756A1 Generating bit-streams with higher compression gains |
| 04/21/2005 | WO2004091221A3 Fixed bit rate, intraframe compression and decompression of video |
| 04/21/2005 | US20050086476 Method and system for multiple symmetric decryption of .ZIP files |
| 04/21/2005 | US20050086475 Method and system for mixed symmetric and asymmetric decryption of .ZIP files |
| 04/21/2005 | US20050086474 Method and system for asymmetrically decrypting .ZIP files |
| 04/21/2005 | US20050086196 Method and system for decrypting strongly encrypted .ZIP files |
| 04/21/2005 | US20050084172 Data compression device of digital recording sytem and controlling method thereof |
| 04/21/2005 | US20050084170 Image-processing apparatus for compressing binary-format image data |
| 04/21/2005 | US20050084168 Image encoding apparatus and method |
| 04/21/2005 | US20050084167 Pixel-based data modifying method and device |
| 04/21/2005 | US20050084157 Method for deblocking and transcoding a media stream |
| 04/21/2005 | US20050084019 Variable-length decoding apparatus and decoding method |
| 04/21/2005 | US20050084018 Device that is used for secure diffusion controlled display private copying and management of and conditional access to mpeg-4-type audiovisual content rights |
| 04/21/2005 | US20050084017 Apparatus and method for judging lost block characteristic in video processing system |
| 04/21/2005 | US20050084016 Video encoding apparatus and video decoding apparatus |
| 04/21/2005 | US20050084012 In-loop deblocking for interlaced video |
| 04/21/2005 | US20050084010 Video encoding method |
| 04/21/2005 | US20050083934 Header compression/decompression device and header compression/decompression method |
| 04/21/2005 | US20050083218 Signaling for field ordering and field/frame display repetition |
| 04/21/2005 | US20050083216 System and method for a media codec employing a reversible transform obtained via matrix lifting |
| 04/20/2005 | EP1524861A2 Error concealment involving temporal differences of close pixels and motion vectors of close blocks |
| 04/20/2005 | EP1523863A1 Audio coding |
| 04/20/2005 | EP1523808A2 Method and apparatus for transcoding between hybrid video codec bitstreams |
| 04/20/2005 | CN1608381A Dynamic control in complexity-constrained data compression |
| 04/20/2005 | CN1608380A Method for estimating the dominant motion in a sequence of images |
| 04/20/2005 | CN1608377A Signal adaptive spatial scaling for interlaced video |
| 04/20/2005 | CN1607839A Method and apparatus for judging lost block characteristic in video processing system |
| 04/20/2005 | CN1607837A Method for extracting macro block at high speed in mobile communication system |
| 04/20/2005 | CN1607836A De-blocking filter processing apparatus and de-blocking filter processing method |
| 04/20/2005 | CN1607810A Method and system for compressing image data with wavelet transform and quadtree coding for telecommunication |
| 04/20/2005 | CN1607732A Variable length encoding of compressed data |
| 04/20/2005 | CN1198467C Method and equipment for estimation of mixed high-speed movement |
| 04/20/2005 | CN1198462C Coding device for directional interpolator node and its method |
| 04/20/2005 | CN1198458C Picture decoding method and apparatus thereof |
| 04/20/2005 | CN1198262C Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech |
| 04/19/2005 | US6883137 System and method for schema-driven compression of extensible mark-up language (XML) documents |
| 04/19/2005 | US6883087 Processing of binary data for compression |