JPH0120835B2 - - Google Patents

Info

Publication number
JPH0120835B2
JPH0120835B2 JP56179273A JP17927381A JPH0120835B2 JP H0120835 B2 JPH0120835 B2 JP H0120835B2 JP 56179273 A JP56179273 A JP 56179273A JP 17927381 A JP17927381 A JP 17927381A JP H0120835 B2 JPH0120835 B2 JP H0120835B2
Authority
JP
Japan
Prior art keywords
correction
image
mtf
bits
mtf correction
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
Application number
JP56179273A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5880969A (ja
Inventor
Fusakichi Ookochi
Katsuhiro Watai
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 JP56179273A priority Critical patent/JPS5880969A/ja
Priority to US06/437,781 priority patent/US4517607A/en
Priority to DE19823241365 priority patent/DE3241365A1/de
Publication of JPS5880969A publication Critical patent/JPS5880969A/ja
Publication of JPH0120835B2 publication Critical patent/JPH0120835B2/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
    • H04N1/40—Picture signal circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56179273A 1981-11-09 1981-11-09 画像処理装置 Granted JPS5880969A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56179273A JPS5880969A (ja) 1981-11-09 1981-11-09 画像処理装置
US06/437,781 US4517607A (en) 1981-11-09 1982-10-29 Method of and apparatus for compensating image in image reproduction system
DE19823241365 DE3241365A1 (de) 1981-11-09 1982-11-09 Verfahren und einrichtung zum ausgleichen eines bildes in einem bildwiedergabesystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56179273A JPS5880969A (ja) 1981-11-09 1981-11-09 画像処理装置

Publications (2)

Publication Number Publication Date
JPS5880969A JPS5880969A (ja) 1983-05-16
JPH0120835B2 true JPH0120835B2 (enrdf_load_stackoverflow) 1989-04-18

Family

ID=16062952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56179273A Granted JPS5880969A (ja) 1981-11-09 1981-11-09 画像処理装置

Country Status (1)

Country Link
JP (1) JPS5880969A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249472A (ja) * 1984-05-25 1985-12-10 Nec Corp フアクシミリ装置の画信号処理回路
JPH0740299B2 (ja) * 1986-02-07 1995-05-01 キヤノン株式会社 画像処理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223208A (en) * 1975-08-15 1977-02-22 Kokusai Denshin Denwa Co Ltd <Kdd> Method of emphasing sharpness of pictures
JPS546714A (en) * 1977-06-17 1979-01-19 Matsushita Electric Ind Co Ltd Picture signal processing system
JPS54152806A (en) * 1978-05-23 1979-12-01 Ricoh Co Ltd Noise eliminating circuit for picture process
JPS554108A (en) * 1978-06-23 1980-01-12 Ricoh Co Ltd Density corrector

Also Published As

Publication number Publication date
JPS5880969A (ja) 1983-05-16

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