JP2912736B2 - 符号化および復号化方法 - Google Patents

符号化および復号化方法

Info

Publication number
JP2912736B2
JP2912736B2 JP3192919A JP19291991A JP2912736B2 JP 2912736 B2 JP2912736 B2 JP 2912736B2 JP 3192919 A JP3192919 A JP 3192919A JP 19291991 A JP19291991 A JP 19291991A JP 2912736 B2 JP2912736 B2 JP 2912736B2
Authority
JP
Japan
Prior art keywords
code
run length
data
integrated
line
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
JP3192919A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0537794A (ja
Inventor
和夫 栗田
幹男 水谷
伸彦 野間
司 坂井
修 野口
博幸 根本
桂一 冨田
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
Panasonic System Networks Co Ltd
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 Panasonic System Networks Co Ltd filed Critical Panasonic System Networks Co Ltd
Priority to JP3192919A priority Critical patent/JP2912736B2/ja
Priority to EP92307027A priority patent/EP0526249B1/en
Priority to DE69222711T priority patent/DE69222711T2/de
Publication of JPH0537794A publication Critical patent/JPH0537794A/ja
Priority to US08/556,571 priority patent/US5587798A/en
Application granted granted Critical
Publication of JP2912736B2 publication Critical patent/JP2912736B2/ja
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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
JP3192919A 1991-08-01 1991-08-01 符号化および復号化方法 Expired - Fee Related JP2912736B2 (ja)

Priority Applications (4)

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
EP92307027A EP0526249B1 (en) 1991-08-01 1992-07-31 Encoding and decoding methods for use in facsimile machines
DE69222711T DE69222711T2 (de) 1991-08-01 1992-07-31 Kodier- und Dekodierverfahren zur Verwendung in Faksimilegeräten
US08/556,571 US5587798A (en) 1991-08-01 1995-11-13 Encoding and decoding methods for use in facsimile

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
JPH0537794A JPH0537794A (ja) 1993-02-12
JP2912736B2 true JP2912736B2 (ja) 1999-06-28

Family

ID=16299164

Family Applications (1)

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

Country Status (4)

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

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
WO2009040966A1 (ja) * 2007-09-26 2009-04-02 Panasonic Corporation 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
JPH0537794A (ja) 1993-02-12
DE69222711T2 (de) 1998-03-26
EP0526249A2 (en) 1993-02-03
EP0526249B1 (en) 1997-10-15
US5587798A (en) 1996-12-24
DE69222711D1 (de) 1997-11-20
EP0526249A3 (enExample) 1994-03-02

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