JPH02202267A - Coding system - Google Patents

Coding system

Info

Publication number
JPH02202267A
JPH02202267A JP1021672A JP2167289A JPH02202267A JP H02202267 A JPH02202267 A JP H02202267A JP 1021672 A JP1021672 A JP 1021672A JP 2167289 A JP2167289 A JP 2167289A JP H02202267 A JPH02202267 A JP H02202267A
Authority
JP
Japan
Prior art keywords
range
symbols
value
superior
symbol
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
JP1021672A
Other languages
English (en)
Other versions
JPH0834432B2 (ja
Inventor
Toshihiro Kimura
Shigenori Kino
Fumitaka Ono
Masayuki Yoshida
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 JP1021672A priority Critical patent/JPH0834432B2/ja
Publication of JPH02202267A publication Critical patent/JPH02202267A/ja
Priority claimed from US08/553,235 external-priority patent/USRE35781E/en
Publication of JPH0834432B2 publication Critical patent/JPH0834432B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41Bandwidth or redundancy reduction
    • H04N1/411Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
JP1021672A 1989-01-31 1989-01-31 符号化装置及び符号化方法 Expired - Lifetime JPH0834432B2 (ja)

Priority Applications (1)

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

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP1021672A JPH0834432B2 (ja) 1989-01-31 1989-01-31 符号化装置及び符号化方法
KR90000031A KR940010959B1 (ko) 1989-01-31 1990-01-04 부호화 장치 및 방법
US07/470,099 US5059976A (en) 1989-01-31 1990-01-25 Coding method of image information
DE1990626292 DE69026292T2 (de) 1989-01-31 1990-01-26 Methode zur Bilddatenkodierung
EP19900101597 EP0381078B1 (en) 1989-01-31 1990-01-26 Coding method of image information
AU48927/90A AU624674B2 (en) 1989-01-31 1990-01-30 Coding method of image information
CA 2008943 CA2008943C (en) 1989-01-31 1990-01-30 Coding method of image information
DK24990A DK175155B1 (da) 1989-01-31 1990-01-30 Fremgangsmåde og apparat til kodning af billedinformation
US08/553,235 USRE35781E (en) 1989-01-31 1995-11-07 Coding method of image information
HK98105854A HK1006770A1 (en) 1989-01-31 1998-06-22 Coding method of image information

Publications (2)

Publication Number Publication Date
JPH02202267A true JPH02202267A (en) 1990-08-10
JPH0834432B2 JPH0834432B2 (ja) 1996-03-29

Family

ID=12061540

Family Applications (1)

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

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 (27)

* 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
KR950013404B1 (ko) * 1991-11-15 1995-11-08 시기 모리야 부호전송장치
US5313204A (en) * 1991-04-25 1994-05-17 Mitsubishi Denki Kabushiki Kaisha Encoding and decoding devices with predictor and detector
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
US6744925B2 (en) 1996-03-19 2004-06-01 Mitsubishi Denki Kabushiki Kaisha Encoding apparatus, decoding apparatus, encoding method, and decoding method
WO1997035422A1 (en) 1996-03-19 1997-09-25 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
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
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
CN1177482C (zh) 1997-01-29 2004-11-24 三菱电机株式会社 编码方法,解码方法,编码装置以及解码装置
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
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 Olympus Optical Co
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
FR2379956B1 (ja) * 1977-02-08 1982-05-07 Mitsubishi Electric Corp
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
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

Also Published As

Publication number Publication date
DK24990A (da) 1990-08-01
JPH0834432B2 (ja) 1996-03-29
EP0381078B1 (en) 1996-04-03
AU624674B2 (en) 1992-06-18
CA2008943C (en) 1995-04-25
CA2008943A1 (en) 1990-07-31
DK24990D0 (da) 1990-01-30
EP0381078A3 (en) 1991-08-28
EP0381078A2 (en) 1990-08-08
KR940010959B1 (ko) 1994-11-19
AU4892790A (en) 1990-08-09
HK1006770A1 (en) 1999-03-12
US5059976A (en) 1991-10-22
DE69026292T2 (de) 1996-11-28
DE69026292D1 (de) 1996-05-09
KR900012443A (ko) 1990-08-04
DK175155B1 (da) 2004-06-21

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