DE69521930D1 - Bildverarbeitungsverfahren und -steuergerät - Google Patents

Bildverarbeitungsverfahren und -steuergerät

Info

Publication number
DE69521930D1
DE69521930D1 DE69521930T DE69521930T DE69521930D1 DE 69521930 D1 DE69521930 D1 DE 69521930D1 DE 69521930 T DE69521930 T DE 69521930T DE 69521930 T DE69521930 T DE 69521930T DE 69521930 D1 DE69521930 D1 DE 69521930D1
Authority
DE
Germany
Prior art keywords
control device
image processing
processing method
image
control
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
DE69521930T
Other languages
English (en)
Other versions
DE69521930T2 (de
Inventor
Akio Aoki
Katsuhiko Nishimura
Takao Aoki
Kazuro Yamada
Kaoru Seto
Seiji Sagara
Satoshi Shimizu
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 DE69521930D1 publication Critical patent/DE69521930D1/de
Publication of DE69521930T2 publication Critical patent/DE69521930T2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
DE69521930T 1994-04-22 1995-04-21 Bildverarbeitungsverfahren und -steuergerät Expired - Lifetime DE69521930T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10785694 1994-04-22
JP09238595A JP3703162B2 (ja) 1994-04-22 1995-04-18 画像形成装置

Publications (2)

Publication Number Publication Date
DE69521930D1 true DE69521930D1 (de) 2001-09-06
DE69521930T2 DE69521930T2 (de) 2001-12-20

Family

ID=26433826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521930T Expired - Lifetime DE69521930T2 (de) 1994-04-22 1995-04-21 Bildverarbeitungsverfahren und -steuergerät

Country Status (5)

Country Link
US (1) US6111664A (de)
EP (1) EP0679016B1 (de)
JP (1) JP3703162B2 (de)
DE (1) DE69521930T2 (de)
HK (1) HK1012147A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3834866B2 (ja) * 1996-04-26 2006-10-18 コニカミノルタホールディングス株式会社 画像形成装置及び画像形成方法並びに画像形成装置制御方法
JP3408119B2 (ja) * 1996-08-23 2003-05-19 キヤノン株式会社 画像処理装置と方法、及び記録媒体
JPH10181102A (ja) * 1996-10-22 1998-07-07 Canon Inc 情報処理装置及び画像出力装置及びそれらの制御方法及び画像出力システム
WO1998056804A1 (en) * 1997-06-13 1998-12-17 Human Genome Sciences, Inc. 86 human secreted proteins
JPH1115216A (ja) * 1997-06-26 1999-01-22 Canon Inc 画像処理装置およびその制御方法、並びに、記録媒体
JP3787427B2 (ja) 1997-11-28 2006-06-21 キヤノン株式会社 プリンタサーバのデータ処理方法及び記憶媒体
JPH11289454A (ja) 1997-11-28 1999-10-19 Canon Inc 画像処理方法および画像処理装置およびコンピュータが読み出し可能なプログラムを格納した記憶媒体
JP3603766B2 (ja) * 1999-12-22 2004-12-22 セイコーエプソン株式会社 電子写真の画像処理装置及びそれを利用した電子写真装置
US7038811B1 (en) * 2000-03-31 2006-05-02 Canon Kabushiki Kaisha Standardized device characterization
JP2002072609A (ja) * 2000-08-31 2002-03-12 Canon Inc 画像形成装置
JP2002202646A (ja) * 2000-12-28 2002-07-19 Canon Inc 画像処理装置およびその制御方法
JP4708908B2 (ja) * 2004-08-20 2011-06-22 キヤノン株式会社 画像形成装置及び画像形成方法
JP2007036370A (ja) * 2005-07-22 2007-02-08 Brother Ind Ltd 画像形成システム、画像形成装置、及びデータ処理装置
JP2007081750A (ja) * 2005-09-13 2007-03-29 Canon Inc 画像形成装置及びその方法、並びにプログラム
JP2022175853A (ja) 2021-05-14 2022-11-25 キヤノン株式会社 画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3787611T2 (de) * 1986-10-29 1994-03-24 Canon Kk Farbbildlesegerät oder Farbbilderzeugungsgerät.
US5053866A (en) * 1989-08-02 1991-10-01 Eastman Kodak Company Method and an associated apparatus for calibrating a color digital hardcopy device
EP0760578B1 (de) * 1989-10-02 2003-04-02 Canon Kabushiki Kaisha Bilderzeugungsgerät und Modulationsverfahren
EP0454088B1 (de) * 1990-04-25 1998-07-01 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung
SG46626A1 (en) * 1990-04-27 1998-02-20 Canon Kk Recording apparatus for performing recording using recording head
JPH085206B2 (ja) * 1990-11-09 1996-01-24 三菱電機株式会社 プリンタ
US5828780A (en) * 1993-12-21 1998-10-27 Ricoh Company, Ltd. Image processing apparatus with improved color correction
US5731823A (en) * 1994-01-27 1998-03-24 Hewlett-Packard Company Automatic optimization of hardcopy output for enhanced appearance and throughput
US5594557A (en) * 1994-10-03 1997-01-14 Xerox Corporation Color printer calibration correcting for local printer non-linearities

Also Published As

Publication number Publication date
US6111664A (en) 2000-08-29
EP0679016A2 (de) 1995-10-25
JPH089158A (ja) 1996-01-12
JP3703162B2 (ja) 2005-10-05
EP0679016B1 (de) 2001-08-01
DE69521930T2 (de) 2001-12-20
HK1012147A1 (en) 1999-07-23
EP0679016A3 (de) 1996-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition