JPS5040015A - - Google Patents

Info

Publication number
JPS5040015A
JPS5040015A JP49072911A JP7291174A JPS5040015A JP S5040015 A JPS5040015 A JP S5040015A JP 49072911 A JP49072911 A JP 49072911A JP 7291174 A JP7291174 A JP 7291174A JP S5040015 A JPS5040015 A JP S5040015A
Authority
JP
Japan
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.)
Pending
Application number
JP49072911A
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 filed Critical
Publication of JPS5040015A publication Critical patent/JPS5040015A/ja
Pending 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
    • H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP49072911A 1973-07-16 1974-06-27 Pending JPS5040015A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37952373A 1973-07-16 1973-07-16

Publications (1)

Publication Number Publication Date
JPS5040015A true JPS5040015A (ja) 1975-04-12

Family

ID=23497605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49072911A Pending JPS5040015A (ja) 1973-07-16 1974-06-27

Country Status (4)

Country Link
JP (1) JPS5040015A (ja)
DE (1) DE2423817A1 (ja)
FR (1) FR2246140B1 (ja)
GB (1) GB1442016A (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136423A (en) * 1977-05-02 1978-11-29 Nippon Telegr & Teleph Corp <Ntt> Network point processing system for picture signal
JPS542619A (en) * 1977-06-08 1979-01-10 Matsushita Electric Ind Co Ltd Tw0-dimensional block coding system
JPS5533349A (en) * 1978-08-30 1980-03-08 Ricoh Co Ltd Intermediate gradation processing system by binary value
JPS5666970A (en) * 1979-11-06 1981-06-05 Toshiba Corp Binary device of variable density type picture
JPS56500978A (ja) * 1979-07-31 1981-07-16
JPS57181270A (en) * 1982-04-16 1982-11-08 Hitachi Ltd Encoding system for binary picture signal
JPS6379185A (ja) * 1986-09-22 1988-04-09 Meidensha Electric Mfg Co Ltd Ｃｒｔ表示デ−タ作成装置
JPH01502143A (ja) * 1986-11-20 1989-07-27 ブリテツシユ・テレコミユニケイシヨンズ・パブリツク・リミテツド・カンパニー パターン処理
JPH04229381A (ja) * 1990-04-25 1992-08-18 Hughes Aircraft Co データ圧縮システム及び方法
JPH04229321A (ja) * 1990-04-25 1992-08-18 Hughes Aircraft Co データ伸長システムとその方法及びデータ圧縮・伸長システム
WO2001047243A1 (fr) * 1999-12-20 2001-06-28 Venture Wave Inc. Procede de compression de donnees d'images et procede de restauration correspondant

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054951A (en) * 1976-06-30 1977-10-18 International Business Machines Corporation Data expansion apparatus
US4091424A (en) * 1977-02-18 1978-05-23 Compression Labs, Inc. Facsimile compression system
JPS5666971A (en) * 1979-11-05 1981-06-05 Dainippon Screen Mfg Co Ltd Picture data compressing method
JPS59178077A (ja) * 1983-03-28 1984-10-09 Dainippon Screen Mfg Co Ltd ２値画像のデ−タ圧縮方法
JPS62100077A (ja) * 1985-10-28 1987-05-09 Nippon Telegr & Teleph Corp <Ntt> 符号化方法および装置
DE10328179A1 (de) * 2003-06-16 2005-01-20 Alcoa Deutschland Gmbh Verschließsystem und Verfahren zum Verschließen von Behältern

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136423A (en) * 1977-05-02 1978-11-29 Nippon Telegr & Teleph Corp <Ntt> Network point processing system for picture signal
JPS5821979B2 (ja) * 1977-05-02 1983-05-06 日本電信電話株式会社 画像信号の網点処理方式
JPS5929020B2 (ja) * 1977-06-08 1984-07-17 松下電器産業株式会社 ２次元ブロック符号化方法
JPS542619A (en) * 1977-06-08 1979-01-10 Matsushita Electric Ind Co Ltd Tw0-dimensional block coding system
JPS5533349A (en) * 1978-08-30 1980-03-08 Ricoh Co Ltd Intermediate gradation processing system by binary value
JPS6356752B2 (ja) * 1978-08-30 1988-11-09 Ricoh Kk
JPS56500978A (ja) * 1979-07-31 1981-07-16
JPS6226632B2 (ja) * 1979-11-06 1987-06-10 Tokyo Shibaura Electric Co
JPS5666970A (en) * 1979-11-06 1981-06-05 Toshiba Corp Binary device of variable density type picture
JPS57181270A (en) * 1982-04-16 1982-11-08 Hitachi Ltd Encoding system for binary picture signal
JPH041552B2 (ja) * 1982-04-16 1992-01-13 Hitachi Ltd
JPS6379185A (ja) * 1986-09-22 1988-04-09 Meidensha Electric Mfg Co Ltd Ｃｒｔ表示デ−タ作成装置
JPH01502143A (ja) * 1986-11-20 1989-07-27 ブリテツシユ・テレコミユニケイシヨンズ・パブリツク・リミテツド・カンパニー パターン処理
JPH04229381A (ja) * 1990-04-25 1992-08-18 Hughes Aircraft Co データ圧縮システム及び方法
JPH04229321A (ja) * 1990-04-25 1992-08-18 Hughes Aircraft Co データ伸長システムとその方法及びデータ圧縮・伸長システム
WO2001047243A1 (fr) * 1999-12-20 2001-06-28 Venture Wave Inc. Procede de compression de donnees d'images et procede de restauration correspondant
US7280699B2 (en) 1999-12-20 2007-10-09 Venture Wave Inc. Compressing and restoring method of image data based on dot areas and positions
US7813572B2 (en) 1999-12-20 2010-10-12 Seiko I Infotech Compressing and restoring method of image data including a free microdot image element, a print dot image element, and a line picture image element

Also Published As

Publication number Publication date
FR2246140B1 (ja) 1980-11-28
GB1442016A (en) 1976-07-07
FR2246140A1 (ja) 1975-04-25
DE2423817A1 (de) 1975-02-06

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