DE602007011811D1 - Speichereffiziente codierung von codes variabler länge - Google Patents

Speichereffiziente codierung von codes variabler länge

Info

Publication number
DE602007011811D1
DE602007011811D1 DE602007011811T DE602007011811T DE602007011811D1 DE 602007011811 D1 DE602007011811 D1 DE 602007011811D1 DE 602007011811 T DE602007011811 T DE 602007011811T DE 602007011811 T DE602007011811 T DE 602007011811T DE 602007011811 D1 DE602007011811 D1 DE 602007011811D1
Authority
DE
Germany
Prior art keywords
techniques
variable length
memory
codes
efficient coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602007011811T
Other languages
English (en)
Inventor
Yuriy Reznik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE602007011811D1 publication Critical patent/DE602007011811D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
DE602007011811T 2006-11-14 2007-11-09 Speichereffiziente codierung von codes variabler länge Active DE602007011811D1 (de)

Applications Claiming Priority (4)

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
PCT/US2007/084270 WO2008061008A2 (en) 2006-11-14 2007-11-09 Memory efficient coding of variable length codes

Publications (1)

Publication Number Publication Date
DE602007011811D1 true DE602007011811D1 (de) 2011-02-17

Family

ID=39277954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007011811T Active DE602007011811D1 (de) 2006-11-14 2007-11-09 Speichereffiziente codierung von codes variabler länge

Country Status (12)

Country Link
US (1) US7545293B2 (de)
EP (1) EP2092649B1 (de)
JP (1) JP4897887B2 (de)
KR (1) KR101108465B1 (de)
CN (1) CN101578769B (de)
AT (1) ATE494663T1 (de)
BR (1) BRPI0718618A2 (de)
CA (1) CA2668222C (de)
DE (1) DE602007011811D1 (de)
ES (1) ES2358551T3 (de)
TW (1) TWI369136B (de)
WO (1) WO2008061008A2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2008027192A2 (en) * 2006-08-25 2008-03-06 Thomson Licensing Methods and apparatus for reduced resolution partitioning
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
WO2010027324A1 (en) * 2008-09-08 2010-03-11 Scalado 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
US9313526B2 (en) 2010-02-19 2016-04-12 Skype Data compression for video
US9078009B2 (en) 2010-02-19 2015-07-07 Skype Data compression for video utilizing non-translational motion information
US9819358B2 (en) * 2010-02-19 2017-11-14 Skype Entropy encoding based on observed frequency
US9609342B2 (en) 2010-02-19 2017-03-28 Skype Compression for frames of a video signal using selected candidate blocks
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
EP2594024A4 (de) 2010-07-13 2014-06-25 Blackberry Ltd Verfahren und vorrichtung zur datenkomprimierung mittels einer kontextbasierten kodierungsreihenfolge
EP2599227B1 (de) 2010-07-28 2020-04-01 BlackBerry Limited Verfahren und vorrichtung zur komprimierung binärer sequenzen durch gruppierung mehrerer symbole
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
WO2014047881A1 (en) 2012-09-28 2014-04-03 Intel Corporation Inter-layer intra mode prediction
KR102257542B1 (ko) * 2012-10-01 2021-05-31 지이 비디오 컴프레션, 엘엘씨 향상 레이어에서 변환 계수 블록들의 서브블록-기반 코딩을 이용한 스케일러블 비디오 코딩
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 (de) 2016-10-05 2018-04-11 Thomson Licensing Verfahren und vorrichtung zur kontextadaptiven binären arithmetischen codierung einer sequenz aus binären symbolen, die ein syntaxelement im zusammenhang mit bilddaten repräsentieren
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
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
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
US11106437B2 (en) * 2019-01-14 2021-08-31 Microsoft Technology Licensing, Llc Lookup table optimization for programming languages that target synchronous digital circuits
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
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
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
US11722148B2 (en) 2019-12-23 2023-08-08 Ariel Scientific Innovations Ltd. Systems and methods of data compression
CN115104305A (zh) * 2020-02-12 2022-09-23 谷歌有限责任公司 用于图压缩的多上下文熵编码
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2010509893A (ja) 2010-03-25
KR20090091167A (ko) 2009-08-26
US20080111721A1 (en) 2008-05-15
WO2008061008A2 (en) 2008-05-22
CN101578769B (zh) 2012-11-21
BRPI0718618A2 (pt) 2014-01-07
CN101578769A (zh) 2009-11-11
WO2008061008A3 (en) 2008-07-10
ATE494663T1 (de) 2011-01-15
JP4897887B2 (ja) 2012-03-14
EP2092649A2 (de) 2009-08-26
CA2668222A1 (en) 2008-05-22
US7545293B2 (en) 2009-06-09
ES2358551T3 (es) 2011-05-11
TWI369136B (en) 2012-07-21
KR101108465B1 (ko) 2012-04-12
CA2668222C (en) 2011-11-29
TW200838323A (en) 2008-09-16
EP2092649B1 (de) 2011-01-05

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