DE69320147D1 - Vorrichtung zur Bildkodierung - Google Patents

Vorrichtung zur Bildkodierung

Info

Publication number
DE69320147D1
DE69320147D1 DE69320147T DE69320147T DE69320147D1 DE 69320147 D1 DE69320147 D1 DE 69320147D1 DE 69320147 T DE69320147 T DE 69320147T DE 69320147 T DE69320147 T DE 69320147T DE 69320147 D1 DE69320147 D1 DE 69320147D1
Authority
DE
Germany
Prior art keywords
image coding
coding device
image
coding
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.)
Expired - Fee Related
Application number
DE69320147T
Other languages
English (en)
Other versions
DE69320147T2 (de
Inventor
Keiji Ishizuka
Atsushi Furuya
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69320147D1 publication Critical patent/DE69320147D1/de
Publication of DE69320147T2 publication Critical patent/DE69320147T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

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)
DE69320147T 1992-11-13 1993-11-12 Vorrichtung zur Bildkodierung Expired - Fee Related DE69320147T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30393292 1992-11-13

Publications (2)

Publication Number Publication Date
DE69320147D1 true DE69320147D1 (de) 1998-09-10
DE69320147T2 DE69320147T2 (de) 1999-01-14

Family

ID=17927022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320147T Expired - Fee Related DE69320147T2 (de) 1992-11-13 1993-11-12 Vorrichtung zur Bildkodierung

Country Status (3)

Country Link
US (1) US5784497A (de)
EP (1) EP0597733B1 (de)
DE (1) DE69320147T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1178458C (zh) * 1996-07-31 2004-12-01 松下电器产业株式会社 图象解码装置和图象解码方法
US6055338A (en) * 1996-08-22 2000-04-25 Sumitomo Metal Industries Limited Bi-level adaptive coding using a dual port memory and a context comparator
US6058216A (en) * 1996-09-03 2000-05-02 Sumitomo Metal Industries Limited Apparatus for encoding image data
JPH1093827A (ja) * 1996-09-11 1998-04-10 Canon Inc 画像処理方法とその装置
JP3185769B2 (ja) 1998-10-26 2001-07-11 日本電気株式会社 画像信号処理装置
US6313767B1 (en) 1999-02-19 2001-11-06 Canon Kabushiki Kaisha Decoding apparatus and method
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
US7236633B1 (en) * 2003-03-21 2007-06-26 Altera Corporation Data compression and decompression techniques for programmable circuits

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463342A (en) * 1979-06-14 1984-07-31 International Business Machines Corporation Method and means for carry-over control in the high order to low order pairwise combining of digits of a decodable set of relatively shifted finite number strings
US4286256A (en) * 1979-11-28 1981-08-25 International Business Machines Corporation Method and means for arithmetic coding utilizing a reduced number of operations
US4467317A (en) * 1981-03-30 1984-08-21 International Business Machines Corporation High-speed arithmetic compression coding using concurrent value updating
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
US4870695A (en) * 1987-03-20 1989-09-26 International Business Machines Corporation Compression and de-compression of column-interlaced, row-interlaced graylevel digital images
JP2672521B2 (ja) * 1987-09-21 1997-11-05 株式会社東芝 画像処理方法
US4973961A (en) * 1990-02-12 1990-11-27 At&T Bell Laboratories Method and apparatus for carry-over control in arithmetic entropy coding
US5262873A (en) * 1990-11-07 1993-11-16 Canon Kabushiki Kaisha Image signal correcting in image data processing requiring only small memory capacity
US5298896A (en) * 1993-03-15 1994-03-29 Bell Communications Research, Inc. Method and system for high order conditional entropy coding
JP2836467B2 (ja) * 1993-12-16 1998-12-14 日本電気株式会社 ２値シンボルの符号化・復号化回路

Also Published As

Publication number Publication date
DE69320147T2 (de) 1999-01-14
EP0597733B1 (de) 1998-08-05
EP0597733A1 (de) 1994-05-18
US5784497A (en) 1998-07-21

Similar Documents

Publication Publication Date Title
DE69422967D1 (de) Einrichtung zur Bildkodierung
DE69327928D1 (de) Vorrichtung zur Kodierung von unbeweglichen Bildern
DE69525805D1 (de) Vorrichtung zur Bildkodierung
DE69533870D1 (de) Vorrichtung zur Bilddekodierung
DE69427247D1 (de) Gerät zur Bildverarbeitung
DE59301231D1 (de) Vorrichtung zur Verriegelung
DE69331031D1 (de) Vorrichtung zur parallelen Bilderzeugung
DE69212662D1 (de) Vorrichtung zur Hinterbeleuchtung
DE69132076D1 (de) Vorrichtung zur Bildverarbeitung
DE69128006D1 (de) Vorrichtung zur orthogonalen Transformationskodierung
DE69224108D1 (de) Vorrichtung zur Übertragung von Bildern
DE69328005D1 (de) Vorrichtung zur Datenübertragung
DE69231050D1 (de) Gerät zur Bildverarbeitung
DE69405587D1 (de) Tracheostoma vorrichtung
DE69032318D1 (de) Vorrichtung zur Bildverarbeitung
DE69418502D1 (de) Vorrichtung zur Hintergrund-Beleuchtung
DE69225034D1 (de) Einrichtung zur Bildübertragung
DE69315612D1 (de) Einrichtung zur Bildsegmentierung
DE69313540D1 (de) Verbesserte Vorrichtung zur variablen Längendekodierung
DE69221133D1 (de) Vorrichtung zur auswechselung von stoffen
DE69226160D1 (de) Vorrichtung zur Kompressionskodierung von Videosignalen
DE69124347D1 (de) Vorrichtung zur Bildaufnahme
DE69231426D1 (de) Vorrichtung zum Kodieren von Bildern
ATA3292A (de) Vorrichtung zur selbst-injektion
DE69718219D1 (de) Vorrichtung zur Bilddekodierung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee