JPS56138356A - Picture shrinking system - Google Patents

Picture shrinking system

Info

Publication number
JPS56138356A
JPS56138356A JP4172980A JP4172980A JPS56138356A JP S56138356 A JPS56138356 A JP S56138356A JP 4172980 A JP4172980 A JP 4172980A JP 4172980 A JP4172980 A JP 4172980A JP S56138356 A JPS56138356 A JP S56138356A
Authority
JP
Japan
Prior art keywords
conversion
picture
converted
represented
black
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
JP4172980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6329472B2 (en:Method
Inventor
Kenji Kono
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4172980A priority Critical patent/JPS56138356A/ja
Publication of JPS56138356A publication Critical patent/JPS56138356A/ja
Publication of JPS6329472B2 publication Critical patent/JPS6329472B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP4172980A 1980-03-31 1980-03-31 Picture shrinking system Granted JPS56138356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4172980A JPS56138356A (en) 1980-03-31 1980-03-31 Picture shrinking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4172980A JPS56138356A (en) 1980-03-31 1980-03-31 Picture shrinking system

Publications (2)

Publication Number Publication Date
JPS56138356A true JPS56138356A (en) 1981-10-28
JPS6329472B2 JPS6329472B2 (en:Method) 1988-06-14

Family

ID=12616506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4172980A Granted JPS56138356A (en) 1980-03-31 1980-03-31 Picture shrinking system

Country Status (1)

Country Link
JP (1) JPS56138356A (en:Method)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129064A (en) * 1981-02-02 1982-08-10 Matsushita Graphic Commun Syst Inc Picture signal processing system
JPS58181359A (ja) * 1982-04-16 1983-10-24 Yokogawa Hokushin Electric Corp 画像デ−タ処理装置
JPS62202677A (ja) * 1986-03-03 1987-09-07 Nec Corp イメ−ジ処理装置
JPH01174165A (ja) * 1987-12-28 1989-07-10 Toshiba Corp イメージデータ処理装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53144211A (en) * 1977-05-23 1978-12-15 Hitachi Ltd Linear density conversion system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53144211A (en) * 1977-05-23 1978-12-15 Hitachi Ltd Linear density conversion system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129064A (en) * 1981-02-02 1982-08-10 Matsushita Graphic Commun Syst Inc Picture signal processing system
JPS58181359A (ja) * 1982-04-16 1983-10-24 Yokogawa Hokushin Electric Corp 画像デ−タ処理装置
JPS62202677A (ja) * 1986-03-03 1987-09-07 Nec Corp イメ−ジ処理装置
JPH01174165A (ja) * 1987-12-28 1989-07-10 Toshiba Corp イメージデータ処理装置

Also Published As

Publication number Publication date
JPS6329472B2 (en:Method) 1988-06-14

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