JPH0354509B2 - - Google Patents

Info

Publication number
JPH0354509B2
JPH0354509B2 JP57003258A JP325882A JPH0354509B2 JP H0354509 B2 JPH0354509 B2 JP H0354509B2 JP 57003258 A JP57003258 A JP 57003258A JP 325882 A JP325882 A JP 325882A JP H0354509 B2 JPH0354509 B2 JP H0354509B2
Authority
JP
Japan
Prior art keywords
shading correction
correction coefficient
photoelectric conversion
reading
shading
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 - Lifetime
Application number
JP57003258A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58121864A (ja
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
Priority to JP57003258A priority Critical patent/JPS58121864A/ja
Publication of JPS58121864A publication Critical patent/JPS58121864A/ja
Publication of JPH0354509B2 publication Critical patent/JPH0354509B2/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 Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP57003258A 1982-01-14 1982-01-14 シエ−デイング補正装置 Granted JPS58121864A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57003258A JPS58121864A (ja) 1982-01-14 1982-01-14 シエ−デイング補正装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57003258A JPS58121864A (ja) 1982-01-14 1982-01-14 シエ−デイング補正装置

Publications (2)

Publication Number Publication Date
JPS58121864A JPS58121864A (ja) 1983-07-20
JPH0354509B2 true JPH0354509B2 (fr) 1991-08-20

Family

ID=11552440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003258A Granted JPS58121864A (ja) 1982-01-14 1982-01-14 シエ−デイング補正装置

Country Status (1)

Country Link
JP (1) JPS58121864A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077574A (ja) * 1983-10-05 1985-05-02 Konishiroku Photo Ind Co Ltd 原稿読取装置
JPS6077575A (ja) * 1983-10-05 1985-05-02 Konishiroku Photo Ind Co Ltd シエ−デイング補正装置
JPS6096955A (ja) * 1983-10-31 1985-05-30 Konishiroku Photo Ind Co Ltd シエ−デイング補正装置
JPS62257280A (ja) * 1986-04-30 1987-11-09 Pfu Ltd 白レベルホロワ回路
JP2594963B2 (ja) * 1987-08-26 1997-03-26 株式会社日立製作所 シェーディング補正方式
JPH0681252B2 (ja) * 1987-09-29 1994-10-12 富士写真フイルム株式会社 シェーディングの補正装置
JP3281489B2 (ja) * 1994-08-19 2002-05-13 キヤノン株式会社 画像読み取り処理装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198932A (en) * 1975-02-26 1976-08-31 Deijitarukairono seigyohoshiki
JPS5266346A (en) * 1975-11-29 1977-06-01 Tokyo Electric Co Ltd Synch. clock control of microcomputer system
JPS5275234A (en) * 1975-12-19 1977-06-24 Toshiba Corp Pattern pick up unit
JPS575467A (en) * 1980-06-12 1982-01-12 Matsushita Electric Ind Co Ltd Output correcting device for plurality of element sensors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198932A (en) * 1975-02-26 1976-08-31 Deijitarukairono seigyohoshiki
JPS5266346A (en) * 1975-11-29 1977-06-01 Tokyo Electric Co Ltd Synch. clock control of microcomputer system
JPS5275234A (en) * 1975-12-19 1977-06-24 Toshiba Corp Pattern pick up unit
JPS575467A (en) * 1980-06-12 1982-01-12 Matsushita Electric Ind Co Ltd Output correcting device for plurality of element sensors

Also Published As

Publication number Publication date
JPS58121864A (ja) 1983-07-20

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