DE69124566T2 - Bildsignalkorrekturschaltungsanordnung zur Verwendung in einem Bilddatenverarbeitungsgerät - Google Patents

Bildsignalkorrekturschaltungsanordnung zur Verwendung in einem Bilddatenverarbeitungsgerät

Info

Publication number
DE69124566T2
DE69124566T2 DE69124566T DE69124566T DE69124566T2 DE 69124566 T2 DE69124566 T2 DE 69124566T2 DE 69124566 T DE69124566 T DE 69124566T DE 69124566 T DE69124566 T DE 69124566T DE 69124566 T2 DE69124566 T2 DE 69124566T2
Authority
DE
Germany
Prior art keywords
data processing
processing device
signal correction
image data
correction circuitry
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
DE69124566T
Other languages
English (en)
Other versions
DE69124566D1 (de
Inventor
Keiji Ishizuka
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69124566D1 publication Critical patent/DE69124566D1/de
Publication of DE69124566T2 publication Critical patent/DE69124566T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Facsimile Image Signal Circuits (AREA)
DE69124566T 1990-11-07 1991-11-06 Bildsignalkorrekturschaltungsanordnung zur Verwendung in einem Bilddatenverarbeitungsgerät Expired - Lifetime DE69124566T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29988090 1990-11-07
JP29987990 1990-11-07

Publications (2)

Publication Number Publication Date
DE69124566D1 DE69124566D1 (de) 1997-03-20
DE69124566T2 true DE69124566T2 (de) 1997-08-07

Family

ID=26562112

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69130908T Expired - Lifetime DE69130908T2 (de) 1990-11-07 1991-11-06 Bildsignalkorrekturschaltung zur Verwendung in einem Bilddatenverarbeitungsgerät
DE69124566T Expired - Lifetime DE69124566T2 (de) 1990-11-07 1991-11-06 Bildsignalkorrekturschaltungsanordnung zur Verwendung in einem Bilddatenverarbeitungsgerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69130908T Expired - Lifetime DE69130908T2 (de) 1990-11-07 1991-11-06 Bildsignalkorrekturschaltung zur Verwendung in einem Bilddatenverarbeitungsgerät

Country Status (3)

Country Link
US (1) US5262873A (de)
EP (2) EP0687101B1 (de)
DE (2) DE69130908T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05268470A (ja) * 1992-03-19 1993-10-15 Hitachi Ltd 画像信号処理装置
EP0597733B1 (de) * 1992-11-13 1998-08-05 Canon Kabushiki Kaisha Vorrichtung zur Bildkodierung
KR960009793B1 (en) * 1993-03-27 1996-07-24 Hyundai Electronics Co Ltd Image processing circuit of facsimile
DE4329042B4 (de) * 1993-08-28 2006-02-16 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zur dynamischen Korrektur der Sensor-Kennlinien eines Matrix-Bildsensors
JP3091084B2 (ja) * 1994-06-22 2000-09-25 シャープ株式会社 信号処理回路
AU688635B2 (en) * 1994-12-16 1998-03-12 Canon Kabushiki Kaisha Coding/decoding apparatus and coding/decoding method
JPH1093827A (ja) * 1996-09-11 1998-04-10 Canon Inc 画像処理方法とその装置
US6313767B1 (en) 1999-02-19 2001-11-06 Canon Kabushiki Kaisha Decoding apparatus and method
US6396052B1 (en) 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
US7421145B2 (en) * 2002-07-31 2008-09-02 Transpacific Ip Ltd. Image correction method, apparatus, article and image
US20040189836A1 (en) * 2003-03-25 2004-09-30 Spears Kurt E. System and method for compensating for noise in image information
KR20060055940A (ko) * 2004-11-19 2006-05-24 삼성전자주식회사 메모리를 포함하는 ｃｃｄ 및 이를 포함하는 화상입력장치 및 화상입력방법
JP2009136459A (ja) * 2007-12-05 2009-06-25 Hoya Corp ノイズ除去システム、内視鏡プロセッサ、および内視鏡システム
JP2012124774A (ja) * 2010-12-09 2012-06-28 Advantest Corp Ａｄ変換装置およびｄａ変換装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1127227A (en) * 1977-10-03 1982-07-06 Ichiro Endo Liquid jet recording process and apparatus therefor
JPS564286A (en) * 1979-06-25 1981-01-17 Canon Inc Photoelectric converter
DE3112907A1 (de) * 1980-03-31 1982-01-07 Canon K.K., Tokyo "fotoelektrischer festkoerper-umsetzer"
JPS5738071A (en) * 1980-08-19 1982-03-02 Fuji Photo Film Co Ltd Output compensation device
JPS5750178A (en) * 1980-09-10 1982-03-24 Canon Inc Photoelectric converter
JPS59160374A (ja) * 1983-03-02 1984-09-11 Canon Inc 光電変換装置
US4686554A (en) * 1983-07-02 1987-08-11 Canon Kabushiki Kaisha Photoelectric converter
US4680644A (en) * 1984-07-23 1987-07-14 Canon Kabushiki Kaisha Method and apparatus for reading an image
GB2170675B (en) * 1984-12-28 1989-12-13 Canon Kk Image sensing apparatus
GB2170374B (en) * 1984-12-28 1989-04-05 Canon Kk Image sensing apparatus
JPS62172866A (ja) * 1986-01-27 1987-07-29 Canon Inc 画像読取り装置
US4723166A (en) * 1986-04-11 1988-02-02 Harris Corporation Noise adjusted recursive filter
US4779137A (en) * 1986-04-23 1988-10-18 Canon Kabushiki Kaisha Image pickup apparatus
US4751523A (en) * 1986-06-30 1988-06-14 Xerox Corporation Laser scanner power compensation circuit
JPH0644619B2 (ja) * 1986-07-17 1994-06-08 キヤノン株式会社 光電変換装置
US5027117A (en) * 1988-03-31 1991-06-25 Ricoh Company, Ltd. Conversion using a variable reference based on image density
JP2774296B2 (ja) * 1989-01-20 1998-07-09 キヤノン株式会社 情報処理方法及びその装置

Also Published As

Publication number Publication date
EP0484924A2 (de) 1992-05-13
DE69130908T2 (de) 1999-08-12
DE69130908D1 (de) 1999-03-25
EP0687101B1 (de) 1999-02-17
EP0687101A1 (de) 1995-12-13
EP0484924B1 (de) 1997-02-05
DE69124566D1 (de) 1997-03-20
EP0484924A3 (en) 1992-11-25
US5262873A (en) 1993-11-16

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Legal Events

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8364 No opposition during term of opposition