HK1012147A1 - Image processing method and controller - Google Patents

Image processing method and controller

Info

Publication number
HK1012147A1
HK1012147A1 HK98113122A HK98113122A HK1012147A1 HK 1012147 A1 HK1012147 A1 HK 1012147A1 HK 98113122 A HK98113122 A HK 98113122A HK 98113122 A HK98113122 A HK 98113122A HK 1012147 A1 HK1012147 A1 HK 1012147A1
Authority
HK
Hong Kong
Prior art keywords
controller
image processing
processing method
image
processing
Prior art date
Application number
HK98113122A
Other languages
English (en)
Inventor
Akio Aoki
Kazuro Yamada
Kaoru Seto
Katsuhiko Nishimura
Takao Aoki
Seiji Sagara
Satoshi Shimizu
Original Assignee
Canon Kk
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 Kk filed Critical Canon Kk
Publication of HK1012147A1 publication Critical patent/HK1012147A1/xx

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)
  • Color Image Communication Systems (AREA)
  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
  • Image Processing (AREA)
HK98113122A 1994-04-22 1998-12-10 Image processing method and controller HK1012147A1 (en)

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 (1)

Publication Number Publication Date
HK1012147A1 true HK1012147A1 (en) 1999-07-23

Family

ID=26433826

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98113122A HK1012147A1 (en) 1994-04-22 1998-12-10 Image processing method and controller

Country Status (5)

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

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
CA2294526A1 (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
EP0266186B1 (en) * 1986-10-29 1993-09-29 Canon Kabushiki Kaisha Colour image reading apparatus or colour image forming apparatus
US5053866A (en) * 1989-08-02 1991-10-01 Eastman Kodak Company Method and an associated apparatus for calibrating a color digital hardcopy device
DE69034055D1 (de) * 1989-10-02 2003-05-08 Canon Kk Bilderzeugungsgerät und Modulationsverfahren
DE69129675T2 (de) * 1990-04-25 1999-01-07 Canon Kk Bildverarbeitungsvorrichtung
EP0454479B1 (en) * 1990-04-27 2000-07-12 Canon Kabushiki Kaisha 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
DE69521930T2 (de) 2001-12-20
US6111664A (en) 2000-08-29
JP3703162B2 (ja) 2005-10-05
JPH089158A (ja) 1996-01-12
EP0679016B1 (en) 2001-08-01
EP0679016A3 (en) 1996-04-24
EP0679016A2 (en) 1995-10-25
DE69521930D1 (de) 2001-09-06

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140421