DE3787611D1 - Farbbildlesegeraet oder farbbilderzeugungsgeraet. - Google Patents

Farbbildlesegeraet oder farbbilderzeugungsgeraet.

Info

Publication number
DE3787611D1
DE3787611D1 DE87309518T DE3787611T DE3787611D1 DE 3787611 D1 DE3787611 D1 DE 3787611D1 DE 87309518 T DE87309518 T DE 87309518T DE 3787611 T DE3787611 T DE 3787611T DE 3787611 D1 DE3787611 D1 DE 3787611D1
Authority
DE
Germany
Prior art keywords
color image
generation device
image generation
reader
image reader
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 - Fee Related
Application number
DE87309518T
Other languages
English (en)
Other versions
DE3787611T2 (de
Inventor
Akihiro Usami
Hisashi Fukushima
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
Priority claimed from JP61258950A external-priority patent/JPS63111767A/ja
Priority claimed from JP62015131A external-priority patent/JPS63183461A/ja
Priority claimed from JP62015121A external-priority patent/JP2830998B2/ja
Priority claimed from JP62015128A external-priority patent/JP2830999B2/ja
Priority claimed from JP62016214A external-priority patent/JPS63185279A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE3787611D1 publication Critical patent/DE3787611D1/de
Application granted granted Critical
Publication of DE3787611T2 publication Critical patent/DE3787611T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Electrophotography (AREA)
  • Color Image Communication Systems (AREA)
DE87309518T 1986-10-29 1987-10-28 Farbbildlesegerät oder Farbbilderzeugungsgerät. Expired - Fee Related DE3787611T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP61258950A JPS63111767A (ja) 1986-10-29 1986-10-29 カラ−複写装置
JP62015131A JPS63183461A (ja) 1987-01-27 1987-01-27 カラー画像形成装置
JP62015121A JP2830998B2 (ja) 1987-01-27 1987-01-27 画像処理方法
JP62015128A JP2830999B2 (ja) 1987-01-27 1987-01-27 カラー画像読取装置
JP62016214A JPS63185279A (ja) 1987-01-28 1987-01-28 カラ−複写装置

Publications (2)

Publication Number Publication Date
DE3787611D1 true DE3787611D1 (de) 1993-11-04
DE3787611T2 DE3787611T2 (de) 1994-03-24

Family

ID=27519676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87309518T Expired - Fee Related DE3787611T2 (de) 1986-10-29 1987-10-28 Farbbildlesegerät oder Farbbilderzeugungsgerät.

Country Status (3)

Country Link
US (1) US5142356A (de)
EP (1) EP0266186B1 (de)
DE (1) DE3787611T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859933A (en) * 1973-10-29 1999-01-12 Canon Kabushiki Kaisha Image forming apparatus
US4975769A (en) * 1987-07-06 1990-12-04 Dai Nippon Insatsu Kaushiki Kaisha Apparatus for color modification adapted to represent the pictorial image
US5172223A (en) * 1987-12-29 1992-12-15 Canon Kabushiki Kaisha Method of processing a color image to obtain color and black reproduction signals
JP2713935B2 (ja) * 1987-12-29 1998-02-16 キヤノン株式会社 画像処理方法
US5267031A (en) * 1988-11-14 1993-11-30 Canon Kabushiki Kaisha Color image processing apparatus
JP2892037B2 (ja) * 1989-04-28 1999-05-17 コニカ株式会社 カラー画像処理装置
DE69030984T2 (de) * 1989-04-28 1997-11-06 Canon Kk Bildverarbeitungsgerät
US5223922A (en) * 1989-06-26 1993-06-29 Seiko Instruments Inc. Color picture image reading device with color correction function
JP2633024B2 (ja) * 1989-06-26 1997-07-23 セイコー電子工業株式会社 カラー画像処理装置
US5719624A (en) * 1989-07-18 1998-02-17 Canon Kabushiki Kaisha Image recording apparatus with arithmetic processing
DE69130025T2 (de) * 1990-03-30 1999-03-25 Canon K.K., Tokio/Tokyo Bildverarbeitungsverfahren und -gerät
JPH04241368A (ja) * 1991-01-16 1992-08-28 Brother Ind Ltd カラー画像記録装置
US5489998A (en) * 1991-03-04 1996-02-06 Canon Kabushiki Kaisha Color image processing apparatus having transmitter and receiver which perform color correction in accordance with a common standard color image and method for same
JPH04301966A (ja) * 1991-03-28 1992-10-26 Tokyo Electric Co Ltd カラー画像読取装置
US5459797A (en) * 1991-03-30 1995-10-17 Kabushiki Kaisha Toshiba Character reading system
JPH04309064A (ja) * 1991-04-05 1992-10-30 Fuji Xerox Co Ltd 画像読取装置
US5841955A (en) * 1991-12-02 1998-11-24 Goss Graphic Systems, Inc. Control system for a printing press
IL101436A (en) * 1992-03-31 2000-07-16 Scitex Corp Ltd Scanner calibration method
DE69320702T2 (de) * 1992-06-19 1999-01-21 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Farbbilderzeugungsverfahren und -gerät
JP3274200B2 (ja) * 1992-12-28 2002-04-15 キヤノン株式会社 画像形成方法及び装置
US5677967A (en) * 1993-03-10 1997-10-14 R. R. Donnelley & Sons Company Method of and apparatus for converting between a color appearance space and a colorant space
US6515769B1 (en) 1993-10-29 2003-02-04 Canon Kabushiki Kaisha Image forming apparatus and method
JP2784138B2 (ja) * 1993-12-09 1998-08-06 三菱電機株式会社 イメージセンサ
US5631686A (en) * 1993-12-17 1997-05-20 Xerox Corporation Method to provide optimum optical contrast for registration mark detection
JP3471886B2 (ja) * 1994-03-25 2003-12-02 キヤノン株式会社 画像形成方法及び装置
US7031020B1 (en) * 1994-04-22 2006-04-18 Canon Kabushiki Kaisha Image processing method, apparatus and controller
JP3703162B2 (ja) * 1994-04-22 2005-10-05 キヤノン株式会社 画像形成装置
JP3305495B2 (ja) * 1994-04-28 2002-07-22 キヤノン株式会社 画像処理装置および画像処理方法
US5856876A (en) * 1995-04-06 1999-01-05 Canon Kabushiki Kaisha Image processing apparatus and method with gradation characteristic adjustment
US5767980A (en) * 1995-06-20 1998-06-16 Goss Graphic Systems, Inc. Video based color sensing device for a printing press control system
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
US5805280A (en) * 1995-09-28 1998-09-08 Goss Graphic Systems, Inc. Control system for a printing press
US5764386A (en) * 1996-01-25 1998-06-09 Medar, Inc. Method and system for automatically monitoring the colors of an object at a vision station
US6072464A (en) * 1996-04-30 2000-06-06 Toyota Jidosha Kabushiki Kaisha Color reproduction method
JP3618912B2 (ja) 1996-07-12 2005-02-09 キヤノン株式会社 画像形成装置
WO1998028919A1 (fr) * 1996-12-24 1998-07-02 Mitsubishi Denki Kabushiki Kaisha Appareil et procede de mesure des caracteristiques colorimetriques
EP2141907A1 (de) * 1999-12-28 2010-01-06 Photographic Art Research Laboratory Verfahren zur Kalibrierung der Farbe eines Bildes bei der Übertragung eines digitalen Bildes
US7177053B2 (en) 2000-09-20 2007-02-13 Sharp Laboratories Of America, Inc. Color adjustment method
JP2002135610A (ja) * 2000-10-24 2002-05-10 Fuji Xerox Co Ltd 画像処理装置
JP4031824B2 (ja) * 2001-05-22 2008-01-09 ゼロックス コーポレイション カラープリント用色修正システム及び分光光度計
US7207645B2 (en) * 2003-10-31 2007-04-24 Busch Brian D Printer color correction
JP5430364B2 (ja) * 2009-11-17 2014-02-26 キヤノン株式会社 画像形成装置
EP3552806A1 (de) 2018-04-09 2019-10-16 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Verfahren und vorrichtung zur herstellung eines objekts mittels generativer fertigung

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612753A (en) * 1969-04-23 1971-10-12 Ventures Res & Dev Self-adaptive system for the reproduction of color
GB1527227A (en) * 1974-12-18 1978-10-04 Crosfield Electronics Ltd Reproduction of coloured images
DE2526409C3 (de) * 1975-06-13 1979-08-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Eichung einer eine fotomechanische Druckform erzeugenden Aufzeichnungseinheit
SU652578A1 (ru) * 1976-07-12 1979-03-15 Предприятие П/Я М-5308 Устройство дл идентификации цветных изображений
JPS5754473A (en) * 1980-09-18 1982-03-31 Canon Inc Color ink jet recorder
US4481532A (en) * 1982-06-28 1984-11-06 R. R. Donnelley & Sons Company Method of determining and storing color printing information
JPH0683371B2 (ja) * 1982-10-20 1994-10-19 キヤノン株式会社 情報読取り装置
US4631578A (en) * 1983-03-04 1986-12-23 Canon Kabushiki Kaisha Method of and apparatus for forming a color picture using a plurality of color correction processings
US4745466A (en) * 1983-03-06 1988-05-17 Canon Kabushiki Kaisha Digital color image processing apparatus with color masking processing unit addressed by a plurality of multi-bit color component signals using various combinations of the bits of the signals
US4683492A (en) * 1983-03-08 1987-07-28 Canon Kabushiki Kaisha Method and apparatus for recording a full-color image with a plurality of colorants on the basis of a set of area factors for the colorants selected from a plurality of sets of area factors calculated from a plurality of sets of equations
DE3408321A1 (de) * 1983-03-08 1984-09-13 Canon K.K., Tokio/Tokyo Bildverarbeitungssystem
JPS59171289A (ja) * 1983-03-17 1984-09-27 Fujitsu Ltd 色特性調整制御方式
JPS59171276A (ja) * 1983-03-17 1984-09-27 Canon Inc 画像処理装置
DE3372410D1 (en) * 1983-04-27 1987-08-13 Hell Rudolf Dr Ing Gmbh Colour picture manufacturing method and apparatus
US4672432A (en) * 1983-04-28 1987-06-09 Canon Kabushiki Kaisha Method for recording a color image using dots of colorants of different densities
EP0144188A2 (de) * 1983-12-07 1985-06-12 Xerox Corporation Einrichtung zur Dichtenkorrektur einer Kopie
JPS60220659A (ja) * 1984-04-17 1985-11-05 Fuji Photo Film Co Ltd カラ−画像出力装置における濃度調整方法
JPS60220660A (ja) * 1984-04-18 1985-11-05 Nippon Telegr & Teleph Corp <Ntt> 色補正方法
EP0225100B1 (de) * 1985-11-18 1994-06-22 Canon Kabushiki Kaisha Elektronisches Abbildungsgerät
US4864391A (en) * 1986-05-09 1989-09-05 Canon Kabushiki Kaisha Image processing apparatus for color correcting an image which can monitor the result of the color correction

Also Published As

Publication number Publication date
EP0266186B1 (de) 1993-09-29
US5142356A (en) 1992-08-25
EP0266186A2 (de) 1988-05-04
EP0266186A3 (en) 1989-09-27
DE3787611T2 (de) 1994-03-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee