CN101517899A - 解码系统和方法 - Google Patents
解码系统和方法 Download PDFInfo
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- CN101517899A CN101517899A CNA2006800444788A CN200680044478A CN101517899A CN 101517899 A CN101517899 A CN 101517899A CN A2006800444788 A CNA2006800444788 A CN A2006800444788A CN 200680044478 A CN200680044478 A CN 200680044478A CN 101517899 A CN101517899 A CN 101517899A
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- decoding
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/287,630 | 2005-11-28 | ||
US11/287,630 US7245242B2 (en) | 2005-11-28 | 2005-11-28 | Decoding systems and methods |
PCT/US2006/061303 WO2007062428A2 (en) | 2005-11-28 | 2006-11-28 | Decoding systems and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101517899A true CN101517899A (zh) | 2009-08-26 |
CN101517899B CN101517899B (zh) | 2012-12-12 |
Family
ID=38068072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800444788A Expired - Fee Related CN101517899B (zh) | 2005-11-28 | 2006-11-28 | 解码系统和方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7245242B2 (zh) |
EP (1) | EP1966896B1 (zh) |
JP (1) | JP5043033B2 (zh) |
CN (1) | CN101517899B (zh) |
WO (1) | WO2007062428A2 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103339937A (zh) * | 2011-12-21 | 2013-10-02 | 松下电器产业株式会社 | 图像编码方法、图像编码装置、图像解码方法、图像解码装置以及图像编解码装置 |
CN103748886A (zh) * | 2011-06-16 | 2014-04-23 | 弗兰霍菲尔运输应用研究公司 | 支持模式切换的熵编码 |
CN106060545A (zh) * | 2010-09-30 | 2016-10-26 | 夏普株式会社 | 视频编码和解码中上下文初始化的方法和系统 |
US10645388B2 (en) | 2011-06-16 | 2020-05-05 | Ge Video Compression, Llc | Context initialization in entropy coding |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100584025C (zh) * | 2005-08-04 | 2010-01-20 | 华为技术有限公司 | 一种基于内容自适应的算术解码系统及装置 |
US7245242B2 (en) * | 2005-11-28 | 2007-07-17 | Conexant Systems, Inc. | Decoding systems and methods |
US7706799B2 (en) * | 2006-03-24 | 2010-04-27 | Intel Corporation | Reduced wireless context caching apparatus, systems, and methods |
US8787465B2 (en) * | 2006-03-31 | 2014-07-22 | Intel Corporation | Method for neighboring block data management of advanced video decoder |
JP4379444B2 (ja) * | 2006-07-26 | 2009-12-09 | ソニー株式会社 | 復号化方法、復号化方法のプログラム、復号化方法のプログラムを記録した記録媒体、復号化装置 |
US7339507B1 (en) * | 2006-09-13 | 2008-03-04 | Jiun-In Guo | Device for video decoding |
US7369066B1 (en) * | 2006-12-21 | 2008-05-06 | Lsi Logic Corporation | Efficient 8×8 CABAC residual block transcode system |
US8098735B2 (en) * | 2006-12-21 | 2012-01-17 | Lsi Corporation | Efficient 8×8 CABAC residual block decode |
US8411734B2 (en) | 2007-02-06 | 2013-04-02 | Microsoft Corporation | Scalable multi-thread video decoding |
US9648325B2 (en) | 2007-06-30 | 2017-05-09 | Microsoft Technology Licensing, Llc | Video decoding implementations for a graphics processing unit |
WO2009047695A1 (en) * | 2007-10-08 | 2009-04-16 | Nxp B.V. | Method and system for decoding digital video content involving arbitrarily accessing an encoded bitstream |
US7557740B1 (en) * | 2008-04-18 | 2009-07-07 | Realtek Semiconductor Corp. | Context-based adaptive binary arithmetic coding (CABAC) decoding apparatus and decoding method thereof |
US7876257B2 (en) * | 2008-04-28 | 2011-01-25 | Mitsubishi Electric Research Laboratories, Inc. | Method and apparatus for compressing SAR signals |
KR101501568B1 (ko) * | 2008-07-04 | 2015-03-12 | 에스케이 텔레콤주식회사 | 영상 부호화 및 복호화 장치 및, 방법 |
US7773004B2 (en) * | 2008-07-08 | 2010-08-10 | Qualcomm Incorporated | CAVLC run-before decoding scheme |
JP4962476B2 (ja) * | 2008-11-28 | 2012-06-27 | ソニー株式会社 | 算術復号装置 |
US20100226441A1 (en) * | 2009-03-06 | 2010-09-09 | Microsoft Corporation | Frame Capture, Encoding, and Transmission Management |
US20100225655A1 (en) * | 2009-03-06 | 2010-09-09 | Microsoft Corporation | Concurrent Encoding/Decoding of Tiled Data |
US8638337B2 (en) * | 2009-03-16 | 2014-01-28 | Microsoft Corporation | Image frame buffer management |
US9706214B2 (en) | 2010-12-24 | 2017-07-11 | Microsoft Technology Licensing, Llc | Image and video decoding implementations |
US8731067B2 (en) | 2011-08-31 | 2014-05-20 | Microsoft Corporation | Memory management for video decoding |
US8793393B2 (en) * | 2011-11-23 | 2014-07-29 | Bluespace Corporation | Video processing device, video server, client device, and video client-server system with low latency thereof |
US9819949B2 (en) | 2011-12-16 | 2017-11-14 | Microsoft Technology Licensing, Llc | Hardware-accelerated decoding of scalable video bitstreams |
US9432666B2 (en) * | 2012-03-29 | 2016-08-30 | Intel Corporation | CAVLC decoder with multi-symbol run before parallel decode |
JP2022016726A (ja) * | 2018-11-16 | 2022-01-25 | ソニーグループ株式会社 | 画像処理装置および方法 |
CN113038140B (zh) * | 2019-12-24 | 2024-05-28 | 扬智电子科技(成都)有限公司 | 上下文适应性二进制算术编码的视频解码方法与其视频解码装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5774206A (en) * | 1995-05-10 | 1998-06-30 | Cagent Technologies, Inc. | Process for controlling an MPEG decoder |
JP2003319391A (ja) * | 2002-04-26 | 2003-11-07 | Sony Corp | 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム |
JP4240283B2 (ja) * | 2002-10-10 | 2009-03-18 | ソニー株式会社 | 復号装置及び復号方法 |
US6927710B2 (en) * | 2002-10-30 | 2005-08-09 | Lsi Logic Corporation | Context based adaptive binary arithmetic CODEC architecture for high quality video compression and decompression |
US7061140B2 (en) * | 2003-04-16 | 2006-06-13 | General Instrument Corportion | Power supply, and apparatus and method for operating a power supply |
US7769088B2 (en) * | 2003-05-28 | 2010-08-03 | Broadcom Corporation | Context adaptive binary arithmetic code decoding engine |
US7630440B2 (en) * | 2003-05-28 | 2009-12-08 | Broadcom Corporation | Context adaptive binary arithmetic code decoding engine |
US6876317B2 (en) * | 2003-05-30 | 2005-04-05 | Texas Instruments Incorporated | Method of context based adaptive binary arithmetic decoding with two part symbol decoding |
US7472151B2 (en) * | 2003-06-20 | 2008-12-30 | Broadcom Corporation | System and method for accelerating arithmetic decoding of video data |
US6917310B2 (en) * | 2003-06-25 | 2005-07-12 | Lsi Logic Corporation | Video decoder and encoder transcoder to and from re-orderable format |
JP4699685B2 (ja) * | 2003-08-21 | 2011-06-15 | パナソニック株式会社 | 信号処理装置及びそれを用いた電子機器 |
JP4241417B2 (ja) * | 2004-02-04 | 2009-03-18 | 日本ビクター株式会社 | 算術復号化装置、および算術復号化プログラム |
US20060176955A1 (en) * | 2005-02-07 | 2006-08-10 | Lu Paul Y | Method and system for video compression and decompression (codec) in a microprocessor |
US7061410B1 (en) * | 2005-07-18 | 2006-06-13 | Lsi Logic Corporation | Method and/or apparatus for transcoding between H.264 CABAC and CAVLC entropy coding modes |
US7245242B2 (en) | 2005-11-28 | 2007-07-17 | Conexant Systems, Inc. | Decoding systems and methods |
-
2005
- 2005-11-28 US US11/287,630 patent/US7245242B2/en active Active
-
2006
- 2006-11-28 WO PCT/US2006/061303 patent/WO2007062428A2/en active Application Filing
- 2006-11-28 EP EP06840046.4A patent/EP1966896B1/en not_active Not-in-force
- 2006-11-28 CN CN2006800444788A patent/CN101517899B/zh not_active Expired - Fee Related
- 2006-11-28 JP JP2008543565A patent/JP5043033B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-08 US US11/760,303 patent/US7504971B2/en not_active Expired - Fee Related
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106060545A (zh) * | 2010-09-30 | 2016-10-26 | 夏普株式会社 | 视频编码和解码中上下文初始化的方法和系统 |
CN106060545B (zh) * | 2010-09-30 | 2019-06-14 | 夏普株式会社 | 视频编码和解码中上下文初始化的方法和系统 |
US9973761B2 (en) | 2011-06-16 | 2018-05-15 | Ge Video Compression, Llc | Context initialization in entropy coding |
US9628827B2 (en) | 2011-06-16 | 2017-04-18 | Ge Video Compression, Llc | Context initialization in entropy coding |
US9596475B2 (en) | 2011-06-16 | 2017-03-14 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10057603B2 (en) | 2011-06-16 | 2018-08-21 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
US9686568B2 (en) | 2011-06-16 | 2017-06-20 | Ge Video Compression, Llc | Context initialization in entropy coding |
US10063858B2 (en) | 2011-06-16 | 2018-08-28 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9729883B2 (en) | 2011-06-16 | 2017-08-08 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9743090B2 (en) | 2011-06-16 | 2017-08-22 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9762913B2 (en) | 2011-06-16 | 2017-09-12 | Ge Video Compression, Llc | Context initialization in entropy coding |
US9768804B1 (en) | 2011-06-16 | 2017-09-19 | Ge Video Compression, Llc | Context initialization in entropy coding |
CN103748886B (zh) * | 2011-06-16 | 2017-11-10 | Ge视频压缩有限责任公司 | 支持模式切换的熵编码 |
US9918104B2 (en) | 2011-06-16 | 2018-03-13 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9918090B2 (en) | 2011-06-16 | 2018-03-13 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
US9930371B2 (en) | 2011-06-16 | 2018-03-27 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9930370B2 (en) | 2011-06-16 | 2018-03-27 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US9936227B2 (en) | 2011-06-16 | 2018-04-03 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US11838511B2 (en) | 2011-06-16 | 2023-12-05 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
US9455744B2 (en) | 2011-06-16 | 2016-09-27 | Ge Video Compression, Llc | Context initialization in entropy coding |
US12069267B2 (en) | 2011-06-16 | 2024-08-20 | Ge Video Compression, Llc | Context initialization in entropy coding |
US10148962B2 (en) | 2011-06-16 | 2018-12-04 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10230954B2 (en) | 2011-06-16 | 2019-03-12 | Ge Video Compression, Llp | Entropy coding of motion vector differences |
US10298964B2 (en) | 2011-06-16 | 2019-05-21 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10306232B2 (en) | 2011-06-16 | 2019-05-28 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10313672B2 (en) | 2011-06-16 | 2019-06-04 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
CN103748886A (zh) * | 2011-06-16 | 2014-04-23 | 弗兰霍菲尔运输应用研究公司 | 支持模式切换的熵编码 |
US10425644B2 (en) | 2011-06-16 | 2019-09-24 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10440364B2 (en) | 2011-06-16 | 2019-10-08 | Ge Video Compression, Llc | Context initialization in entropy coding |
US10630987B2 (en) | 2011-06-16 | 2020-04-21 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
US10630988B2 (en) | 2011-06-16 | 2020-04-21 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
US10645388B2 (en) | 2011-06-16 | 2020-05-05 | Ge Video Compression, Llc | Context initialization in entropy coding |
US10819982B2 (en) | 2011-06-16 | 2020-10-27 | Ge Video Compression, Llc | Entropy coding supporting mode switching |
US11012695B2 (en) | 2011-06-16 | 2021-05-18 | Ge Video Compression, Llc | Context initialization in entropy coding |
US11533485B2 (en) | 2011-06-16 | 2022-12-20 | Ge Video Compression, Llc | Entropy coding of motion vector differences |
CN103339937A (zh) * | 2011-12-21 | 2013-10-02 | 松下电器产业株式会社 | 图像编码方法、图像编码装置、图像解码方法、图像解码装置以及图像编解码装置 |
CN103339937B (zh) * | 2011-12-21 | 2017-07-25 | 太阳专利托管公司 | 图像编码方法、图像编码装置、图像解码方法、图像解码装置以及图像编解码装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2007062428A2 (en) | 2007-05-31 |
US20070230570A1 (en) | 2007-10-04 |
JP5043033B2 (ja) | 2012-10-10 |
US7245242B2 (en) | 2007-07-17 |
JP2009525627A (ja) | 2009-07-09 |
US20070120711A1 (en) | 2007-05-31 |
EP1966896A4 (en) | 2009-11-11 |
CN101517899B (zh) | 2012-12-12 |
US7504971B2 (en) | 2009-03-17 |
EP1966896B1 (en) | 2013-05-22 |
WO2007062428A3 (en) | 2008-12-31 |
EP1966896A2 (en) | 2008-09-10 |
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