DK24990D0 - Fremgangsmaade til kodning af billedinformation - Google Patents

Fremgangsmaade til kodning af billedinformation

Info

Publication number
DK24990D0
DK24990D0 DK024990A DK24990A DK24990D0 DK 24990 D0 DK24990 D0 DK 24990D0 DK 024990 A DK024990 A DK 024990A DK 24990 A DK24990 A DK 24990A DK 24990 D0 DK24990 D0 DK 24990D0
Authority
DK
Denmark
Prior art keywords
procedure
image information
coding image
coding
information
Prior art date
Application number
DK024990A
Other languages
English (en)
Other versions
DK175155B1 (da
DK24990A (da
Inventor
Fumitaka Ono
Shigenori Kino
Masayuki Yoshida
Tomohiro Kimura
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
Publication of DK24990D0 publication Critical patent/DK24990D0/da
Publication of DK24990A publication Critical patent/DK24990A/da
Application granted granted Critical
Publication of DK175155B1 publication Critical patent/DK175155B1/da

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
    • 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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • 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
DK199000249A 1989-01-31 1990-01-30 Fremgangsmåde og apparat til kodning af billedinformation DK175155B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2167289 1989-01-31
JP1021672A JPH0834432B2 (ja) 1989-01-31 1989-01-31 符号化装置及び符号化方法

Publications (3)

Publication Number Publication Date
DK24990D0 true DK24990D0 (da) 1990-01-30
DK24990A DK24990A (da) 1990-08-01
DK175155B1 DK175155B1 (da) 2004-06-21

Family

ID=12061540

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199000249A DK175155B1 (da) 1989-01-31 1990-01-30 Fremgangsmåde og apparat til kodning af billedinformation

Country Status (9)

Country Link
US (1) US5059976A (da)
EP (1) EP0381078B1 (da)
JP (1) JPH0834432B2 (da)
KR (1) KR940010959B1 (da)
AU (1) AU624674B2 (da)
CA (1) CA2008943C (da)
DE (1) DE69026292T2 (da)
DK (1) DK175155B1 (da)
HK (1) HK1006770A1 (da)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0834434B2 (ja) * 1990-02-26 1996-03-29 三菱電機株式会社 符号化装置及び符号化方法
US5313204A (en) * 1991-04-25 1994-05-17 Mitsubishi Denki Kabushiki Kaisha Encoding and decoding devices with predictor and detector
KR950013404B1 (ko) * 1991-11-15 1995-11-08 미쯔비시덴끼 가부시끼가이샤 부호전송장치
DE69319505T2 (de) * 1992-07-31 1998-12-17 Canon Kk Einrichtung und Verfahren zur Bildkodierung
US5272478A (en) * 1992-08-17 1993-12-21 Ricoh Corporation Method and apparatus for entropy coding
JP3027089B2 (ja) * 1993-08-06 2000-03-27 三菱電機株式会社 符号化方式及び復号方式及び符号化復号方法
JP3081105B2 (ja) * 1994-05-16 2000-08-28 三菱電機株式会社 符号変換装置
JP3409552B2 (ja) * 1995-12-27 2003-05-26 三菱電機株式会社 ディジタル情報符号化装置、ディジタル情報復号化装置、及びディジタル情報符号化・復号化装置
AU1041097A (en) 1996-03-19 1997-10-10 Mitsubishi Denki Kabushiki Kaisha Encoder, decoder and methods used therefor
US6636641B1 (en) 1996-03-19 2003-10-21 Mitsubishi Denki Kabushiki Kaisha Encoding apparatus, decoding apparatus, encoding method and decoding method
US6744925B2 (en) 1996-03-19 2004-06-01 Mitsubishi Denki Kabushiki Kaisha Encoding apparatus, decoding apparatus, encoding method, and decoding method
US5912636A (en) * 1996-09-26 1999-06-15 Ricoh Company, Ltd. Apparatus and method for performing m-ary finite state machine entropy coding
US6094453A (en) * 1996-10-11 2000-07-25 Digital Accelerator Corporation Digital data compression with quad-tree coding of header file
EP1689191A3 (en) * 1996-11-07 2008-12-10 Panasonic Corporation Image encoder and image decoder
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
US6351569B1 (en) 1997-01-29 2002-02-26 Mitsubishi Denki Kabushiki Kaisha Coding method, decoding method, coding device and decoding device
JP3367370B2 (ja) * 1997-03-14 2003-01-14 三菱電機株式会社 適応符号化方法
US6225925B1 (en) 1998-03-13 2001-05-01 At&T Corp. Z-coder: a fast adaptive binary arithmetic coder
EP0895361A3 (en) 1997-07-31 2000-03-15 AT&T Corp. Z-coder: A fast adaptive binary arithmetic coder
JP3391251B2 (ja) 1998-03-25 2003-03-31 三菱電機株式会社 適応確率推定方法及び適応符号化方法並びに適応復号方法
WO2000031878A1 (en) * 1998-11-20 2000-06-02 Interval Research Corporation Low cost video compression using fast, modified z-coding of wavelet pyramids
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
US6560368B1 (en) * 1999-06-25 2003-05-06 Microsoft Corporation Arithmetic coding and decoding methods and related systems
JP3798376B2 (ja) 2000-12-27 2006-07-19 三菱電機株式会社 複数品質データ生成符号化器、及び複数品質データ生成符号化方法
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
JP3853710B2 (ja) * 2002-07-15 2006-12-06 Ｎｅｃアクセステクニカ株式会社 ディジタル画像符号化装置およびディジタル画像符号化方法
JP4045913B2 (ja) * 2002-09-27 2008-02-13 三菱電機株式会社 画像符号化装置、画像符号化方法、および画像処理装置
US7283073B2 (en) * 2005-12-19 2007-10-16 Primax Electronics Ltd. System for speeding up the arithmetic coding processing and method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831791B2 (ja) * 1974-12-24 1983-07-08 オリンパス光学工業株式会社 画像情報帯域圧縮伝送装置
US4028731A (en) * 1975-09-29 1977-06-07 International Business Machines Corporation Apparatus for compression coding using cross-array correlation between two-dimensional matrices derived from two-valued digital images
US4099257A (en) * 1976-09-02 1978-07-04 International Business Machines Corporation Markov processor for context encoding from given characters and for character decoding from given contexts
US4191974A (en) * 1977-02-08 1980-03-04 Mitsubishi Denki Kabushiki Kaisha Facsimile encoding communication system
US4177456A (en) * 1977-02-10 1979-12-04 Hitachi, Ltd. Decoder for variable-length codes
US4286256A (en) * 1979-11-28 1981-08-25 International Business Machines Corporation Method and means for arithmetic coding utilizing a reduced number of operations
US4355306A (en) * 1981-01-30 1982-10-19 International Business Machines Corporation Dynamic stack data compression and decompression system
US4905297A (en) * 1986-09-15 1990-02-27 International Business Machines Corporation Arithmetic coding encoder and decoder system
CA1291821C (en) * 1986-09-15 1991-11-05 Glen G. Langdon, Jr. Arithmetic coding encoder and decoder system
US4891643A (en) * 1986-09-15 1990-01-02 International Business Machines Corporation Arithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders

Also Published As

Publication number Publication date
JPH02202267A (ja) 1990-08-10
KR940010959B1 (ko) 1994-11-19
DK175155B1 (da) 2004-06-21
AU4892790A (en) 1990-08-09
US5059976A (en) 1991-10-22
AU624674B2 (en) 1992-06-18
HK1006770A1 (en) 1999-03-12
CA2008943A1 (en) 1990-07-31
KR900012443A (ko) 1990-08-04
DK24990A (da) 1990-08-01
EP0381078B1 (en) 1996-04-03
DE69026292D1 (de) 1996-05-09
JPH0834432B2 (ja) 1996-03-29
EP0381078A3 (en) 1991-08-28
EP0381078A2 (en) 1990-08-08
CA2008943C (en) 1995-04-25
DE69026292T2 (de) 1996-11-28

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Legal Events

Date Code Title Description
PUP Patent expired