JPS5775061A - Variable magnification method for harf tone picture - Google Patents

Variable magnification method for harf tone picture

Info

Publication number
JPS5775061A
JPS5775061A JP55150197A JP15019780A JPS5775061A JP S5775061 A JPS5775061 A JP S5775061A JP 55150197 A JP55150197 A JP 55150197A JP 15019780 A JP15019780 A JP 15019780A JP S5775061 A JPS5775061 A JP S5775061A
Authority
JP
Japan
Prior art keywords
variable magnification
picture elements
density
addresses
picture
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.)
Pending
Application number
JP55150197A
Other languages
English (en)
Inventor
Koichi Ejiri
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP55150197A priority Critical patent/JPS5775061A/ja
Publication of JPS5775061A publication Critical patent/JPS5775061A/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
    • H04N1/40—Picture signal circuits
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP55150197A 1980-10-28 1980-10-28 Variable magnification method for harf tone picture Pending JPS5775061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55150197A JPS5775061A (en) 1980-10-28 1980-10-28 Variable magnification method for harf tone picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55150197A JPS5775061A (en) 1980-10-28 1980-10-28 Variable magnification method for harf tone picture

Publications (1)

Publication Number Publication Date
JPS5775061A true JPS5775061A (en) 1982-05-11

Family

ID=15491632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55150197A Pending JPS5775061A (en) 1980-10-28 1980-10-28 Variable magnification method for harf tone picture

Country Status (1)

Country Link
JP (1) JPS5775061A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01134577A (ja) * 1987-11-20 1989-05-26 Hitachi Ltd 画像処理装置
JPH02239380A (ja) * 1989-03-14 1990-09-21 Canon Inc 画素密度変換装置
JPH0311879A (ja) * 1989-06-09 1991-01-21 Canon Inc 画素密度変換装置
JPH03117170A (ja) * 1989-09-29 1991-05-17 Oki Electric Ind Co Ltd 画素密度変換方式
JPH0468662A (ja) * 1990-07-04 1992-03-04 Nec Corp ２値画像の線密度変換装置
JPH05268462A (ja) * 1992-03-19 1993-10-15 Mitsubishi Electric Corp 画像処理装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01134577A (ja) * 1987-11-20 1989-05-26 Hitachi Ltd 画像処理装置
JPH02239380A (ja) * 1989-03-14 1990-09-21 Canon Inc 画素密度変換装置
JPH0311879A (ja) * 1989-06-09 1991-01-21 Canon Inc 画素密度変換装置
JPH03117170A (ja) * 1989-09-29 1991-05-17 Oki Electric Ind Co Ltd 画素密度変換方式
JPH0468662A (ja) * 1990-07-04 1992-03-04 Nec Corp ２値画像の線密度変換装置
JPH05268462A (ja) * 1992-03-19 1993-10-15 Mitsubishi Electric Corp 画像処理装置

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