CA2156889A1 - Methode et appareil de codage et de decodage de donnees - Google Patents

Methode et appareil de codage et de decodage de donnees

Info

Publication number
CA2156889A1
CA2156889A1 CA2156889A CA2156889A CA2156889A1 CA 2156889 A1 CA2156889 A1 CA 2156889A1 CA 2156889 A CA2156889 A CA 2156889A CA 2156889 A CA2156889 A CA 2156889A CA 2156889 A1 CA2156889 A1 CA 2156889A1
Authority
CA
Canada
Prior art keywords
encoder
reorder unit
coder
decoder
response
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.)
Granted
Application number
CA2156889A
Other languages
English (en)
Other versions
CA2156889C (fr
Inventor
Edward L. Schwartz
Michael J. Gormish
James D. Allen
Martin Boliek
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to CA002273144A priority Critical patent/CA2273144C/fr
Publication of CA2156889A1 publication Critical patent/CA2156889A1/fr
Application granted granted Critical
Publication of CA2156889C publication Critical patent/CA2156889C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
CA002156889A 1994-09-30 1995-08-24 Methode et appareil de codage et de decodage de donnees Expired - Fee Related CA2156889C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002273144A CA2273144C (fr) 1994-09-30 1995-08-24 Methode et appareil de decodage de donnees

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31611694A 1994-09-30 1994-09-30
US08/316,116 1994-09-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002273144A Division CA2273144C (fr) 1994-09-30 1995-08-24 Methode et appareil de decodage de donnees

Publications (2)

Publication Number Publication Date
CA2156889A1 true CA2156889A1 (fr) 1996-03-31
CA2156889C CA2156889C (fr) 1999-11-02

Family

ID=23227538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002156889A Expired - Fee Related CA2156889C (fr) 1994-09-30 1995-08-24 Methode et appareil de codage et de decodage de donnees

Country Status (10)

Country Link
JP (1) JP3272580B2 (fr)
KR (1) KR100240372B1 (fr)
CN (1) CN1136659C (fr)
CA (1) CA2156889C (fr)
DE (1) DE19536401B4 (fr)
FR (1) FR2725330B1 (fr)
GB (1) GB2293735B (fr)
NL (1) NL1001317C2 (fr)
RU (1) RU2117388C1 (fr)
TW (1) TW410311B (fr)

Cited By (2)

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US8769686B2 (en) 2010-02-26 2014-07-01 Futurewei Technologies, Inc. System and method for securing wireless transmissions
US8907823B2 (en) 2010-04-13 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding

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CN100458957C (zh) * 2003-03-18 2009-02-04 索尼株式会社 数据记录设备和方法、数据播放设备和方法
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US7346832B2 (en) * 2004-07-21 2008-03-18 Qualcomm Incorporated LDPC encoding methods and apparatus
US7788106B2 (en) 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
US7991610B2 (en) 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
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US8565314B2 (en) 2006-10-12 2013-10-22 Qualcomm Incorporated Variable length coding table selection based on block type statistics for refinement coefficient coding
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CN101247496B (zh) * 2007-02-13 2012-10-10 华晶科技股份有限公司 动态调整影像讯框的方法
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JP2009060444A (ja) * 2007-08-31 2009-03-19 Canon Inc 画像復号装置、画像復号方法及び記録装置
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CN102055483B (zh) * 2009-10-29 2013-05-08 鸿富锦精密工业（深圳）有限公司 熵解码装置
KR101631944B1 (ko) 2009-10-30 2016-06-20 삼성전자주식회사 복호화 가속화를 위한 엔트로피 부호화 방법과 그 장치 및 엔트로피 복호화 방법과 그 장치
EP2362657B1 (fr) * 2010-02-18 2013-04-24 Research In Motion Limited Procédés et dispositifs de codage et décodage d'entropie parallèle
CA2799763A1 (fr) * 2010-07-13 2012-01-19 Research In Motion Limited Procedes et dispositifs de compression de donnees utilisant un ordre de codage base sur le contexte
KR101676477B1 (ko) * 2010-07-21 2016-11-15 삼성전자주식회사 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법
US8650456B2 (en) * 2010-09-08 2014-02-11 Marvell World Trade Ltd. Decoder based data recovery
US8913666B2 (en) * 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
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JP5570437B2 (ja) * 2011-01-12 2014-08-13 三菱電機株式会社 エントロピー符号化装置、エントロピー復号装置、エントロピー符号化方法及びエントロピー復号方法
KR101955142B1 (ko) 2011-01-14 2019-03-06 지이 비디오 컴프레션, 엘엘씨 엔트로피 인코딩 및 디코딩 방식
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CN107623524B (zh) * 2017-07-01 2020-07-31 中山大学 一种基于硬件的Huffman编码方法及系统
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US8769686B2 (en) 2010-02-26 2014-07-01 Futurewei Technologies, Inc. System and method for securing wireless transmissions
US8907823B2 (en) 2010-04-13 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding

Also Published As

Publication number Publication date
KR100240372B1 (ko) 2000-01-15
JP3272580B2 (ja) 2002-04-08
RU2117388C1 (ru) 1998-08-10
DE19536401B4 (de) 2006-07-20
FR2725330B1 (fr) 1999-01-22
GB9518375D0 (en) 1995-11-08
KR960012741A (ko) 1996-04-20
DE19536401A1 (de) 1996-04-04
FR2725330A1 (fr) 1996-04-05
TW410311B (en) 2000-11-01
CN1136659C (zh) 2004-01-28
CN1133512A (zh) 1996-10-16
GB2293735A (en) 1996-04-03
GB2293735B (en) 1997-10-22
NL1001317C2 (nl) 1998-01-21
CA2156889C (fr) 1999-11-02
NL1001317A1 (nl) 1996-04-01
JPH08116266A (ja) 1996-05-07

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