DK175155B1 - Fremgangsmåde og apparat til kodning af billedinformation - Google Patents

Fremgangsmåde og apparat til kodning af billedinformation Download PDF

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Publication number
DK175155B1
DK175155B1 DK199000249A DK24990A DK175155B1 DK 175155 B1 DK175155 B1 DK 175155B1 DK 199000249 A DK199000249 A DK 199000249A DK 24990 A DK24990 A DK 24990A DK 175155 B1 DK175155 B1 DK 175155B1
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DK
Denmark
Prior art keywords
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symbol
imaging interval
interval
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Application number
DK199000249A
Other languages
Danish (da)
English (en)
Other versions
DK24990A (da
DK24990D0 (da
Inventor
Tomohiro Kimura
Fumitaka Ono
Masayuki Yoshida
Shigenori Kino
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

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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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
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 DK24990D0 (da) 1990-01-30
DK24990A DK24990A (da) 1990-08-01
DK175155B1 true 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 (ja)
EP (1) EP0381078B1 (ja)
JP (1) JPH0834432B2 (ja)
KR (1) KR940010959B1 (ja)
AU (1) AU624674B2 (ja)
CA (1) CA2008943C (ja)
DE (1) DE69026292T2 (ja)
DK (1) DK175155B1 (ja)
HK (1) HK1006770A1 (ja)

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
EP0581571B1 (en) * 1992-07-31 1998-07-08 Canon Kabushiki Kaisha Imaging coding device and method
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
WO1997035422A1 (en) 1996-03-19 1997-09-25 Mitsubishi Denki Kabushiki Kaisha Encoder, decoder and methods used therefor
US6744925B2 (en) 1996-03-19 2004-06-01 Mitsubishi Denki Kabushiki Kaisha Encoding apparatus, decoding apparatus, encoding method, and decoding method
US6636641B1 (en) 1996-03-19 2003-10-21 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
CN1164120C (zh) * 1996-11-07 2004-08-25 松下电器产业株式会社 图像编码装置和图像解码装置
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
WO1998033322A1 (fr) 1997-01-29 1998-07-30 Mitsubishi Denki Kabushiki Kaisha Procede de codage et de decodage, et dispositif de codage et de decodage
JP3367370B2 (ja) * 1997-03-14 2003-01-14 三菱電機株式会社 適応符号化方法
EP0895361A3 (en) 1997-07-31 2000-03-15 AT&T Corp. Z-coder: A fast adaptive binary arithmetic coder
US6225925B1 (en) 1998-03-13 2001-05-01 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
US6570924B1 (en) 1998-11-20 2003-05-27 Interval Research Corp 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
WO2002054602A1 (fr) 2000-12-27 2002-07-11 Mitsubishi Denki Kabushiki Kaisha Codeur et decodeur de creation de donnees de qualites multiples, systeme de codage/decodage de donnees de quantites multiples, procedes de codage et de decodage de creation de donnees de qualites multiples, et procede de codage/decodage de creation de donnees de qualites multiples
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
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
CA1291821C (en) * 1986-09-15 1991-11-05 Glen G. Langdon, Jr. Arithmetic coding encoder and decoder system
US4905297A (en) * 1986-09-15 1990-02-27 International Business Machines Corporation Arithmetic coding encoder and decoder system

Also Published As

Publication number Publication date
EP0381078B1 (en) 1996-04-03
CA2008943C (en) 1995-04-25
KR900012443A (ko) 1990-08-04
CA2008943A1 (en) 1990-07-31
HK1006770A1 (en) 1999-03-12
DE69026292T2 (de) 1996-11-28
KR940010959B1 (ko) 1994-11-19
EP0381078A3 (en) 1991-08-28
US5059976A (en) 1991-10-22
JPH02202267A (ja) 1990-08-10
DK24990A (da) 1990-08-01
DK24990D0 (da) 1990-01-30
EP0381078A2 (en) 1990-08-08
JPH0834432B2 (ja) 1996-03-29
AU624674B2 (en) 1992-06-18
AU4892790A (en) 1990-08-09
DE69026292D1 (de) 1996-05-09

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