TWI369136B - Memory efficient coding of variable length codes - Google Patents
Memory efficient coding of variable length codesInfo
- Publication number
- TWI369136B TWI369136B TW096143070A TW96143070A TWI369136B TW I369136 B TWI369136 B TW I369136B TW 096143070 A TW096143070 A TW 096143070A TW 96143070 A TW96143070 A TW 96143070A TW I369136 B TWI369136 B TW I369136B
- Authority
- TW
- Taiwan
- Prior art keywords
- variable length
- techniques
- memory efficient
- length codes
- efficient coding
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 abstract 2
Classifications
-
- 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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
-
- 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
- H04N19/93—Run-length coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86582706P | 2006-11-14 | 2006-11-14 | |
US86708106P | 2006-11-22 | 2006-11-22 | |
US11/840,362 US7545293B2 (en) | 2006-11-14 | 2007-08-17 | Memory efficient coding of variable length codes |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200838323A TW200838323A (en) | 2008-09-16 |
TWI369136B true TWI369136B (en) | 2012-07-21 |
Family
ID=39277954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096143070A TWI369136B (en) | 2006-11-14 | 2007-11-14 | Memory efficient coding of variable length codes |
Country Status (12)
Country | Link |
---|---|
US (1) | US7545293B2 (zh) |
EP (1) | EP2092649B1 (zh) |
JP (1) | JP4897887B2 (zh) |
KR (1) | KR101108465B1 (zh) |
CN (1) | CN101578769B (zh) |
AT (1) | ATE494663T1 (zh) |
BR (1) | BRPI0718618A2 (zh) |
CA (1) | CA2668222C (zh) |
DE (1) | DE602007011811D1 (zh) |
ES (1) | ES2358551T3 (zh) |
TW (1) | TWI369136B (zh) |
WO (1) | WO2008061008A2 (zh) |
Families Citing this family (47)
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US20070274385A1 (en) * | 2006-05-26 | 2007-11-29 | Zhongli He | Method of increasing coding efficiency and reducing power consumption by on-line scene change detection while encoding inter-frame |
KR101382101B1 (ko) * | 2006-08-25 | 2014-04-07 | 톰슨 라이센싱 | 감소된 해상도의 파티셔닝을 위한 방법 및 장치 |
DE102007043083A1 (de) * | 2007-09-10 | 2009-03-12 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Codieren von Datenworten |
US8228991B2 (en) * | 2007-09-20 | 2012-07-24 | Harmonic Inc. | System and method for adaptive video compression motion compensation |
US8126929B2 (en) * | 2008-03-27 | 2012-02-28 | International Business Machines Corporation | Method and apparatus for encoding list of variable length structures to support bi-directional scans |
KR20090129926A (ko) * | 2008-06-13 | 2009-12-17 | 삼성전자주식회사 | 영상 부호화 방법 및 그 장치, 영상 복호화 방법 및 그 장치 |
US8554773B2 (en) * | 2008-09-08 | 2013-10-08 | Mobile Imaging In Sweden Ab | Method for indexing images and for reading an index of an image |
US8379727B2 (en) * | 2008-09-26 | 2013-02-19 | General Instrument Corporation | Method and apparatus for scalable motion estimation |
US8671327B2 (en) | 2008-09-28 | 2014-03-11 | Sandisk Technologies Inc. | Method and system for adaptive coding in flash memories |
WO2010035241A1 (en) * | 2008-09-28 | 2010-04-01 | Ramot At Tel Aviv University Ltd. | Method and system for adaptive coding in flash memories |
US8004431B2 (en) * | 2008-12-09 | 2011-08-23 | Qualcomm Incorporated | Fast parsing of variable-to-fixed-length codes |
US20100303354A1 (en) * | 2009-06-01 | 2010-12-02 | Qualcomm Incorporated | Efficient coding of probability distributions for image feature descriptors |
US9819358B2 (en) * | 2010-02-19 | 2017-11-14 | Skype | Entropy encoding based on observed frequency |
US9313526B2 (en) | 2010-02-19 | 2016-04-12 | Skype | Data compression for video |
US9609342B2 (en) | 2010-02-19 | 2017-03-28 | Skype | Compression for frames of a video signal using selected candidate blocks |
US9078009B2 (en) | 2010-02-19 | 2015-07-07 | Skype | Data compression for video utilizing non-translational motion information |
US7990297B1 (en) * | 2010-02-26 | 2011-08-02 | Research In Motion Limited | Encoding and decoding methods and devices employing dual codesets |
CN101841705A (zh) * | 2010-03-12 | 2010-09-22 | 西安电子科技大学 | 基于自适应模板的视频无损压缩方法 |
US8479082B2 (en) * | 2010-04-07 | 2013-07-02 | Indian Institute Of Technology Delhi | Packet error correction in networks |
WO2012006738A1 (en) | 2010-07-13 | 2012-01-19 | Research In Motion Limited | Methods and devices for data compression using context-based coding order |
CA2798125C (en) | 2010-07-28 | 2016-04-05 | Research In Motion Limited | Method and device for compression of binary sequences by grouping multiple symbols |
US8625902B2 (en) | 2010-07-30 | 2014-01-07 | Qualcomm Incorporated | Object recognition using incremental feature extraction |
US8885704B2 (en) * | 2010-10-01 | 2014-11-11 | Qualcomm Incorporated | Coding prediction modes in video coding |
US9172963B2 (en) * | 2010-11-01 | 2015-10-27 | Qualcomm Incorporated | Joint coding of syntax elements for video coding |
US8634668B2 (en) * | 2011-02-25 | 2014-01-21 | Sony Corporation | Method of compression of digital images using a fixed number of bits per block |
WO2012122495A1 (en) * | 2011-03-10 | 2012-09-13 | Huawei Technologies Co., Ltd. | Using multiple prediction sets to encode extended unified directional intra mode numbers for robustness |
US20130121410A1 (en) * | 2011-11-14 | 2013-05-16 | Mediatek Inc. | Method and Apparatus of Video Encoding with Partitioned Bitstream |
RU2500073C1 (ru) * | 2012-08-29 | 2013-11-27 | Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт связи" (ФГУП ЦНИИС) | Адаптивный декодер произведения кодов размерности 3d |
EP2901693A4 (en) | 2012-09-28 | 2016-04-27 | Intel Corp | BETWEEN SHIFTS INTRA-PREDICTION MODE |
JP6301932B2 (ja) | 2012-10-01 | 2018-03-28 | ジーイー ビデオ コンプレッション エルエルシー | エンハンスメント層の中の変換係数ブロックの副ブロックに基づいた符号化を使用するスケーラブルビデオ符号化 |
US9491460B2 (en) * | 2013-03-29 | 2016-11-08 | Qualcomm Incorporated | Bandwidth reduction for video coding prediction |
US9626184B2 (en) | 2013-06-28 | 2017-04-18 | Intel Corporation | Processors, methods, systems, and instructions to transcode variable length code points of unicode characters |
US9337862B2 (en) * | 2014-06-09 | 2016-05-10 | Tidal Systems, Inc. | VLSI efficient Huffman encoding apparatus and method |
GB2530312B (en) * | 2014-09-19 | 2016-09-14 | Imagination Tech Ltd | Data compression |
EP3306924A1 (en) | 2016-10-05 | 2018-04-11 | Thomson Licensing | Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data |
US10547869B2 (en) | 2017-12-08 | 2020-01-28 | Google Llc | Template-based entropy coding of quantized transform coefficients |
US10609421B2 (en) | 2018-07-12 | 2020-03-31 | Google Llc | Context derivation for coefficient coding |
US11093682B2 (en) | 2019-01-14 | 2021-08-17 | Microsoft Technology Licensing, Llc | Language and compiler that generate synchronous digital circuits that maintain thread execution order |
US11106437B2 (en) * | 2019-01-14 | 2021-08-31 | Microsoft Technology Licensing, Llc | Lookup table optimization for programming languages that target synchronous digital circuits |
US11275568B2 (en) | 2019-01-14 | 2022-03-15 | Microsoft Technology Licensing, Llc | Generating a synchronous digital circuit from a source code construct defining a function call |
US11113176B2 (en) | 2019-01-14 | 2021-09-07 | Microsoft Technology Licensing, Llc | Generating a debugging network for a synchronous digital circuit during compilation of program source code |
US11144286B2 (en) | 2019-01-14 | 2021-10-12 | Microsoft Technology Licensing, Llc | Generating synchronous digital circuits from source code constructs that map to circuit implementations |
WO2020194292A1 (en) * | 2019-03-25 | 2020-10-01 | Ariel Scientific Innovations Ltd. | Systems and methods of data compression |
US11070229B1 (en) * | 2019-05-19 | 2021-07-20 | Pliops | Codeword generator |
WO2021130754A1 (en) | 2019-12-23 | 2021-07-01 | Ariel Scientific Innovations Ltd. | Systems and methods of data compression |
EP4078957A4 (en) * | 2020-02-12 | 2024-01-03 | Google LLC | MULTI-CONTEXT ENTROPIC CODING FOR GRAPH COMPRESSION |
US11695965B1 (en) | 2022-10-13 | 2023-07-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Video coding using a coded picture buffer |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0311883A (ja) * | 1989-06-09 | 1991-01-21 | Hitachi Ltd | 可変長符号の復号化方式とファクシミリ装置、および静止画像伝送システム |
US5226082A (en) * | 1992-07-02 | 1993-07-06 | At&T Bell Laboratories | Variable length decoder |
US5400075A (en) * | 1993-01-13 | 1995-03-21 | Thomson Consumer Electronics, Inc. | Adaptive variable length encoder/decoder |
JP3220598B2 (ja) * | 1994-08-31 | 2001-10-22 | 三菱電機株式会社 | 可変長符号テーブルおよび可変長符号化装置 |
KR100207428B1 (ko) | 1996-05-14 | 1999-07-15 | 전주범 | 허프만 코드 변환에 적응적인 고속 가변장 복호화 장치 및 방법 |
US5696507A (en) * | 1996-05-31 | 1997-12-09 | Daewoo Electronics Co., Inc. | Method and apparatus for decoding variable length code |
US6188797B1 (en) * | 1997-05-27 | 2001-02-13 | Apple Computer, Inc. | Decoder for programmable variable length data |
JP2003273746A (ja) * | 2002-03-18 | 2003-09-26 | Mitsubishi Electric Corp | 可変長符号復号装置 |
JP4197262B2 (ja) * | 2002-03-27 | 2008-12-17 | パナソニック株式会社 | 可変長符号化方法、可変長復号化方法、記憶媒体、可変長符号化装置、可変長復号化装置、及びビットストリーム |
-
2007
- 2007-08-17 US US11/840,362 patent/US7545293B2/en not_active Expired - Fee Related
- 2007-11-09 WO PCT/US2007/084270 patent/WO2008061008A2/en active Application Filing
- 2007-11-09 EP EP07864208A patent/EP2092649B1/en not_active Not-in-force
- 2007-11-09 BR BRPI0718618-5A patent/BRPI0718618A2/pt not_active Application Discontinuation
- 2007-11-09 CN CN2007800424276A patent/CN101578769B/zh not_active Expired - Fee Related
- 2007-11-09 KR KR1020097012291A patent/KR101108465B1/ko not_active IP Right Cessation
- 2007-11-09 CA CA2668222A patent/CA2668222C/en not_active Expired - Fee Related
- 2007-11-09 DE DE602007011811T patent/DE602007011811D1/de active Active
- 2007-11-09 AT AT07864208T patent/ATE494663T1/de not_active IP Right Cessation
- 2007-11-09 ES ES07864208T patent/ES2358551T3/es active Active
- 2007-11-09 JP JP2009537283A patent/JP4897887B2/ja not_active Expired - Fee Related
- 2007-11-14 TW TW096143070A patent/TWI369136B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE602007011811D1 (de) | 2011-02-17 |
KR20090091167A (ko) | 2009-08-26 |
TW200838323A (en) | 2008-09-16 |
EP2092649B1 (en) | 2011-01-05 |
EP2092649A2 (en) | 2009-08-26 |
JP4897887B2 (ja) | 2012-03-14 |
US7545293B2 (en) | 2009-06-09 |
CA2668222C (en) | 2011-11-29 |
CA2668222A1 (en) | 2008-05-22 |
ATE494663T1 (de) | 2011-01-15 |
JP2010509893A (ja) | 2010-03-25 |
US20080111721A1 (en) | 2008-05-15 |
KR101108465B1 (ko) | 2012-04-12 |
CN101578769B (zh) | 2012-11-21 |
ES2358551T3 (es) | 2011-05-11 |
CN101578769A (zh) | 2009-11-11 |
WO2008061008A3 (en) | 2008-07-10 |
BRPI0718618A2 (pt) | 2014-01-07 |
WO2008061008A2 (en) | 2008-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |