JPH0249589B2 - - Google Patents

Info

Publication number
JPH0249589B2
JPH0249589B2 JP56124791A JP12479181A JPH0249589B2 JP H0249589 B2 JPH0249589 B2 JP H0249589B2 JP 56124791 A JP56124791 A JP 56124791A JP 12479181 A JP12479181 A JP 12479181A JP H0249589 B2 JPH0249589 B2 JP H0249589B2
Authority
JP
Japan
Prior art keywords
shading correction
correction coefficient
circuit
shading
interpolation
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
JP56124791A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5827466A (ja
Inventor
Yoshinori Abe
Masahiko Matsunawa
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP12479181A priority Critical patent/JPS5827466A/ja
Priority to US06/406,078 priority patent/US4524388A/en
Priority to DE19823229586 priority patent/DE3229586C3/de
Publication of JPS5827466A publication Critical patent/JPS5827466A/ja
Publication of JPH0249589B2 publication Critical patent/JPH0249589B2/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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP12479181A 1981-08-11 1981-08-11 シエ−デイング補正装置 Granted JPS5827466A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12479181A JPS5827466A (ja) 1981-08-11 1981-08-11 シエ−デイング補正装置
US06/406,078 US4524388A (en) 1981-08-11 1982-08-06 Shading correction device
DE19823229586 DE3229586C3 (de) 1981-08-11 1982-08-09 Abschattungs-ausgleichvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12479181A JPS5827466A (ja) 1981-08-11 1981-08-11 シエ−デイング補正装置

Publications (2)

Publication Number Publication Date
JPS5827466A JPS5827466A (ja) 1983-02-18
JPH0249589B2 true JPH0249589B2 (fr) 1990-10-30

Family

ID=14894205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12479181A Granted JPS5827466A (ja) 1981-08-11 1981-08-11 シエ−デイング補正装置

Country Status (1)

Country Link
JP (1) JPS5827466A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023820A (ja) * 1983-07-19 1985-02-06 Fuji Photo Film Co Ltd 放射線画像情報読取誤差補正方法
US4691241A (en) * 1983-12-06 1987-09-01 Dainippon Screen Mfg. Co., Ltd. Method and system for compensating for a shading phenomenon
JPS6153868A (ja) * 1984-08-24 1986-03-17 Dainippon Screen Mfg Co Ltd 画像走査信号処理におけるキャリブレーション装置
JP2804568B2 (ja) * 1989-12-25 1998-09-30 株式会社リコー 画像読取装置
JPH0316365A (ja) * 1990-06-01 1991-01-24 Canon Inc 画像読取装置
JP3180589B2 (ja) * 1994-10-31 2001-06-25 松下電器産業株式会社 光ビーム加熱装置
JP6303408B2 (ja) * 2013-11-06 2018-04-04 株式会社リコー 画像読取装置、画像読取方法および画像形成装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028937A (fr) * 1973-07-16 1975-03-24
JPS50159216A (fr) * 1974-06-12 1975-12-23
JPS53123201A (en) * 1977-04-01 1978-10-27 Dainippon Screen Mfg Method for compensating distance between signals for memory device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028937A (fr) * 1973-07-16 1975-03-24
JPS50159216A (fr) * 1974-06-12 1975-12-23
JPS53123201A (en) * 1977-04-01 1978-10-27 Dainippon Screen Mfg Method for compensating distance between signals for memory device

Also Published As

Publication number Publication date
JPS5827466A (ja) 1983-02-18

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