DE69222711T2 - Kodier- und Dekodierverfahren zur Verwendung in Faksimilegeräten - Google Patents

Kodier- und Dekodierverfahren zur Verwendung in Faksimilegeräten

Info

Publication number
DE69222711T2
DE69222711T2 DE69222711T DE69222711T DE69222711T2 DE 69222711 T2 DE69222711 T2 DE 69222711T2 DE 69222711 T DE69222711 T DE 69222711T DE 69222711 T DE69222711 T DE 69222711T DE 69222711 T2 DE69222711 T2 DE 69222711T2
Authority
DE
Germany
Prior art keywords
code
run
data
line
length code
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
DE69222711T
Other languages
German (de)
English (en)
Other versions
DE69222711D1 (de
Inventor
Kazuo Kurita
Mikio Mizutani
Hiroyuki Nemoto
Osamu Noguchi
Nobuhiko Noma
Tsukasa Sakai
Keiichi Tomita
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.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems 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 Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Publication of DE69222711D1 publication Critical patent/DE69222711D1/de
Application granted granted Critical
Publication of DE69222711T2 publication Critical patent/DE69222711T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
DE69222711T 1991-08-01 1992-07-31 Kodier- und Dekodierverfahren zur Verwendung in Faksimilegeräten Expired - Fee Related DE69222711T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3192919A JP2912736B2 (ja) 1991-08-01 1991-08-01 符号化および復号化方法

Publications (2)

Publication Number Publication Date
DE69222711D1 DE69222711D1 (de) 1997-11-20
DE69222711T2 true DE69222711T2 (de) 1998-03-26

Family

ID=16299164

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222711T Expired - Fee Related DE69222711T2 (de) 1991-08-01 1992-07-31 Kodier- und Dekodierverfahren zur Verwendung in Faksimilegeräten

Country Status (4)

Country Link
US (1) US5587798A (OSRAM)
EP (1) EP0526249B1 (OSRAM)
JP (1) JP2912736B2 (OSRAM)
DE (1) DE69222711T2 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3083001B2 (ja) * 1992-07-31 2000-09-04 キヤノン株式会社 画像通信装置
US5926576A (en) * 1994-03-30 1999-07-20 Newton; Dale C. Imaging method and system concatenating image data values to form an integer, partition the integer, and arithmetically encode bit position counts of the integer
JP3619025B2 (ja) * 1998-09-18 2005-02-09 キヤノン株式会社 符号化方法及び符号化装置
US7203373B2 (en) * 2001-10-30 2007-04-10 Texas Instruments Incorporated Image and video coding with redundant run-length-level-last codewords removed
US20050185852A1 (en) * 2004-02-20 2005-08-25 Jiliang Song Method and apparatus to generate complex borders
JP5190458B2 (ja) * 2007-09-26 2013-04-24 パナソニック株式会社 データ処理装置及び方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116367A (en) * 1980-02-18 1981-09-12 Nippon Telegr & Teleph Corp <Ntt> Code conversion system for facsimile signal
JPS56116369A (en) * 1980-02-18 1981-09-12 Nippon Telegr & Teleph Corp <Ntt> Code conversion system for facsimile signal
JPS6051370A (ja) * 1983-08-31 1985-03-22 Oki Electric Ind Co Ltd 画像情報符号化処理装置
JPS60251763A (ja) * 1984-05-28 1985-12-12 Nec Corp フアクシミリ情報の拡大縮小回路
US4688100A (en) * 1984-10-08 1987-08-18 Canon Kabushiki Kaisha Video data encoding/decoding apparatus
EP0179203B1 (en) * 1984-10-24 1992-04-29 International Business Machines Corporation Method for enlarging an image stored in run representation form
GB2172464B (en) * 1985-01-31 1989-02-01 Canon Kk Image transmission apparatus
JPS6214578A (ja) * 1985-07-11 1987-01-23 Nec Corp フアクシミリ信号の符号変換方式
JPS62195979A (ja) * 1986-02-24 1987-08-29 Mitsubishi Electric Corp フアクシミリ符号変換装置
JPS63250278A (ja) * 1987-04-06 1988-10-18 Matsushita Graphic Commun Syst Inc 画像情報符号化方法
JPH01248874A (ja) * 1988-03-30 1989-10-04 Matsushita Graphic Commun Syst Inc 画像情報処理方法

Also Published As

Publication number Publication date
JP2912736B2 (ja) 1999-06-28
EP0526249A3 (OSRAM) 1994-03-02
US5587798A (en) 1996-12-24
DE69222711D1 (de) 1997-11-20
EP0526249A2 (en) 1993-02-03
EP0526249B1 (en) 1997-10-15
JPH0537794A (ja) 1993-02-12

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Legal Events

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