WO2008129883A1 - 符号化装置、復号装置、符号変換装置及びプログラム - Google Patents

符号化装置、復号装置、符号変換装置及びプログラム Download PDF

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Publication number
WO2008129883A1
WO2008129883A1 PCT/JP2008/050028 JP2008050028W WO2008129883A1 WO 2008129883 A1 WO2008129883 A1 WO 2008129883A1 JP 2008050028 W JP2008050028 W JP 2008050028W WO 2008129883 A1 WO2008129883 A1 WO 2008129883A1
Authority
WO
WIPO (PCT)
Prior art keywords
encoder
code sequence
bits
decoder
program
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.)
Ceased
Application number
PCT/JP2008/050028
Other languages
English (en)
French (fr)
Inventor
Ikuro Ueno
Ryuta Suzuki
Tomohiro Kimura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2009510795A priority Critical patent/JP4722214B2/ja
Priority to US12/596,650 priority patent/US20100295713A1/en
Publication of WO2008129883A1 publication Critical patent/WO2008129883A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or 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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

　情報源をエントロピー符号化した符号系列を構成する符号データから導かれる符号系列終端の情報に基づいて、符号系列終端に付加ビットとして設定可能なビット数を算出する付加ビット数算出手段１０７と、当該ビット数の付加ビットを符号系列終端に設定する付加ビット符号化手段１０８とを備える。
PCT/JP2008/050028 2007-04-18 2008-01-07 符号化装置、復号装置、符号変換装置及びプログラム Ceased WO2008129883A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009510795A JP4722214B2 (ja) 2007-04-18 2008-01-07 符号化装置、復号装置、符号変換装置及びプログラム
US12/596,650 US20100295713A1 (en) 2007-04-18 2008-01-07 Coding apparatus, decoding apparatus, code transforming apparatus, and program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-109629 2007-04-18
JP2007109629 2007-04-18

Publications (1)

Publication Number Publication Date
WO2008129883A1 true WO2008129883A1 (ja) 2008-10-30

Family

ID=39875413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050028 Ceased WO2008129883A1 (ja) 2007-04-18 2008-01-07 符号化装置、復号装置、符号変換装置及びプログラム

Country Status (3)

Country Link
US (1) US20100295713A1 (ja)
JP (1) JP4722214B2 (ja)
WO (1) WO2008129883A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121000233A (zh) * 2018-07-06 2025-11-21 弗劳恩霍夫应用研究促进协会 算术编码器、算术解码器、编码器、解码器、编码方法、解码方法和计算机可读介质

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9306597B1 (en) * 2015-03-30 2016-04-05 Microsoft Technology Licensing, Llc Data compression
JP7040629B2 (ja) * 2018-09-20 2022-03-23 富士通株式会社 符号化装置、符号化方法、符号化プログラム、復号装置、復号方法及び復号プログラム
ES3062792T3 (en) 2020-10-06 2026-04-14 Fraunhofer Ges Forschung Arithmetic encoder for arithmetically encoding and arithmetic decoder for arithmetically decoding a sequence of information values, methods for arithmetically encoding and decoding a sequence of information values and computer program for implementing these methods
US20230229630A1 (en) * 2022-01-19 2023-07-20 Nvidia Corporation Processing variable-length data

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05341955A (ja) * 1992-06-12 1993-12-24 Fujitsu Ltd データ圧縮および復元方式
JPH0799452A (ja) * 1993-08-06 1995-04-11 Mitsubishi Electric Corp 符号化方式及び符号化復号方法
JP2002094386A (ja) * 2000-09-12 2002-03-29 Mitsubishi Electric Corp 符号化装置、復号装置、符号化方法および復号方法
JP2004274358A (ja) * 2003-03-07 2004-09-30 Canon Inc 画像データの暗号化方法及び画像データ変換方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05341995A (ja) * 1992-06-05 1993-12-24 Fujitsu Ltd プロセッサにおける命令制御方法及びプロセッサ
US5298896A (en) * 1993-03-15 1994-03-29 Bell Communications Research, Inc. Method and system for high order conditional entropy coding
JP3367370B2 (ja) * 1997-03-14 2003-01-14 三菱電機株式会社 適応符号化方法
JP3745160B2 (ja) * 1999-04-12 2006-02-15 三菱電機株式会社 符号化装置、復号化装置、符号化方法並びに復号化方法
JP3801501B2 (ja) * 2001-12-18 2006-07-26 三菱電機株式会社 符号化装置及び復号装置及び符号化・復号装置及び符号化方法及び復号方法及び符号化・復号方法及びプログラム
WO2003063359A1 (en) * 2002-01-23 2003-07-31 Koninklijke Philips Electronics N.V. Data compression and expansion of a digital information signal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05341955A (ja) * 1992-06-12 1993-12-24 Fujitsu Ltd データ圧縮および復元方式
JPH0799452A (ja) * 1993-08-06 1995-04-11 Mitsubishi Electric Corp 符号化方式及び符号化復号方法
JP2002094386A (ja) * 2000-09-12 2002-03-29 Mitsubishi Electric Corp 符号化装置、復号装置、符号化方法および復号方法
JP2004274358A (ja) * 2003-03-07 2004-09-30 Canon Inc 画像データの暗号化方法及び画像データ変換方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121000233A (zh) * 2018-07-06 2025-11-21 弗劳恩霍夫应用研究促进协会 算术编码器、算术解码器、编码器、解码器、编码方法、解码方法和计算机可读介质

Also Published As

Publication number Publication date
US20100295713A1 (en) 2010-11-25
JP4722214B2 (ja) 2011-07-13
JPWO2008129883A1 (ja) 2010-07-22

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