DE3609049A1 - Bildaufbereitungsverfahren - Google Patents

Bildaufbereitungsverfahren

Info

Publication number
DE3609049A1
DE3609049A1 DE19863609049 DE3609049A DE3609049A1 DE 3609049 A1 DE3609049 A1 DE 3609049A1 DE 19863609049 DE19863609049 DE 19863609049 DE 3609049 A DE3609049 A DE 3609049A DE 3609049 A1 DE3609049 A1 DE 3609049A1
Authority
DE
Grant status
Application
Patent type
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.)
Granted
Application number
DE19863609049
Other languages
English (en)
Other versions
DE3609049C2 (de )
DE3609049C3 (de )
Inventor
Yoshiro Udagawa
Takashi Sasaki
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

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/40Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image by the use of histogram techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/007Dynamic range modification
    • G06T5/009Global, i.e. based on properties of the image as a whole
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6027Correction or control of colour gradation or colour contrast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/68Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10024Color image
DE19863609049 1985-03-21 1986-03-18 Bildaufbereitungsverfahren Expired - Lifetime DE3609049C3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5663185A JPH065887B2 (ja) 1985-03-21 1985-03-21 階調補正方法
JP5663085A JPH0832060B2 (ja) 1985-03-21 1985-03-21 カラ−画像処理方法

Publications (3)

Publication Number Publication Date
DE3609049A1 true true DE3609049A1 (de) 1986-10-02
DE3609049C2 DE3609049C2 (de) 1990-02-15
DE3609049C3 DE3609049C3 (de) 1996-03-21

Family

ID=26397585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863609049 Expired - Lifetime DE3609049C3 (de) 1985-03-21 1986-03-18 Bildaufbereitungsverfahren

Country Status (2)

Country Link
US (1) US4731662A (de)
DE (1) DE3609049C3 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454417A2 (de) * 1990-04-26 1991-10-30 Canon Kabushiki Kaisha Gerät zur Verarbeitung eines Fernsehsignals
EP0486311A2 (de) * 1990-11-15 1992-05-20 Canon Kabushiki Kaisha Farbbildverarbeitungsgerät
EP0501728A2 (de) * 1991-02-27 1992-09-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung
EP0516083A2 (de) * 1991-05-28 1992-12-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung
EP0516084A2 (de) * 1991-05-28 1992-12-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung für Videosignal
US7403304B2 (en) 2002-09-19 2008-07-22 Oce Printing Systems Gmbh Method for optimised colour reproduction of a coloured original image

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JPS61214862A (en) * 1985-03-21 1986-09-24 Canon Inc Color image forming method
US4970584A (en) * 1985-05-15 1990-11-13 Ricoh Company, Ltd. Method and apparatus for the compensation of color detection
US5130935A (en) * 1986-03-31 1992-07-14 Canon Kabushiki Kaisha Color image processing apparatus for extracting image data having predetermined color information from among inputted image data and for correcting inputted image data in response to the extracted image data
US4819077A (en) * 1986-05-14 1989-04-04 Kabushiki Kaisha Toshiba Color image processing system
US5060060A (en) * 1986-05-30 1991-10-22 Canon Kabushiki Kaisha Method and apparatus for processing color images having high maximum saturation
US4903145A (en) * 1986-08-06 1990-02-20 Canon Kabushiki Kaisha Image quality control apparatus capable of density-correcting plural areas of different types
US4965664A (en) * 1986-08-15 1990-10-23 Canon Kabushiki Kaisha Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component
DE3629422C2 (de) * 1986-08-29 1994-02-17 Agfa Gevaert Ag Verfahren und Vorrichtung zum Einstellen von Belichtungsgrößen an einem Kopiergerät
DE3629469C2 (de) * 1986-08-29 1994-10-06 Agfa Gevaert Ag Verfahren zur Einstellung der Farbsättigung bei der elektronischen Bildverarbeitung
JPH0724425B2 (ja) * 1986-09-02 1995-03-15 富士写真フイルム株式会社 画像処理方法及び装置
JPH0722311B2 (ja) * 1986-11-13 1995-03-08 キヤノン株式会社 カラ−画像読み取り装置
DE3752193T2 (de) * 1986-11-14 1998-11-12 Canon Kk Farbbildverarbeitungsgerät
EP0273398B1 (de) * 1986-12-25 1995-02-08 Konica Corporation Farbbildkorrekturverfahren
JPS63228882A (en) * 1987-03-17 1988-09-22 Minolta Camera Co Ltd Image signal processing system
EP0303474B1 (de) * 1987-08-11 1996-01-03 Canon Kabushiki Kaisha Vorrichtung zur Herstellung von Farbbildern
US5073818A (en) * 1987-12-23 1991-12-17 Minolta Camera Kabushiki Kaisha Method for processing color image and apparatus therefor
JP3048151B2 (ja) * 1988-01-19 2000-06-05 キヤノン株式会社 カラー画像形成装置
US4916531A (en) * 1988-03-23 1990-04-10 Data Translation, Inc. Color video processing circuitry
US5398123A (en) * 1988-08-31 1995-03-14 Canon Kabushiki Kaisha Image processing method and apparatus capable of automatic color masking
US5510850A (en) * 1989-05-25 1996-04-23 Canon Kabushiki Kaisha Video signal correction device
US5949556A (en) * 1989-09-04 1999-09-07 Canon Kabushiki Kaisha Image processing suitable for changing the number of colors in an image
US5309183A (en) * 1989-09-28 1994-05-03 Canon Kabushiki Kaisha Image pickup apparatus having difference encoding and non-linear processing of image signals
US5077604A (en) * 1989-10-30 1991-12-31 Asdg Incorporated Color printing, correction, and conversion apparatus and method
EP0449407B1 (de) * 1990-02-05 1997-04-09 Scitex Corporation Ltd. Geräte und Verfahren zur Verarbeitung von Daten, wie zum Beispiel Farbbildern
US5224178A (en) * 1990-09-14 1993-06-29 Eastman Kodak Company Extending dynamic range of stored image database
US5933252A (en) * 1990-11-21 1999-08-03 Canon Kabushiki Kaisha Color image processing method and apparatus therefor
DE69130941T2 (de) * 1990-11-27 1999-09-16 Canon Kk Farbbildverarbeitungsgerät
DE69217319D1 (de) * 1991-10-07 1997-03-20 Xerox Corp Bildeditiersystem und Methode mit verbesserter Farbpaletteneditierung
US5319473A (en) * 1991-11-27 1994-06-07 Xerox Corporation Methods and apparatus for performing real time color gamut compressions
DE4309879C2 (de) * 1992-04-06 1994-08-04 Hell Ag Linotype Verfahren und Einrichtung zur Analyse des Bildumfangs von Bildvorlagen
US5281979A (en) * 1992-11-04 1994-01-25 Eastman Kodak Company Laser printer calibration
US5373327A (en) * 1993-02-25 1994-12-13 Hewlett-Packard Company Detection, correction and display of illegal color information in a digital video signal
US5341226A (en) * 1993-04-22 1994-08-23 Xerox Corporation Automatic image segmentation for color documents
JP3359116B2 (ja) * 1993-09-29 2002-12-24 キヤノン株式会社 画像処理方法及び装置
DE69430464T2 (de) * 1993-09-29 2002-10-31 Canon Kk Bildverarbeitungsgerät und -verfahren
US5748342A (en) * 1994-04-18 1998-05-05 Canon Kabushiki Kaisha Image processing apparatus and method
JP3548224B2 (ja) * 1994-04-18 2004-07-28 キヤノン株式会社 画像形成装置及びその制御方法
US5572632A (en) * 1994-10-07 1996-11-05 Laser Master Corporation Universal frame buffer for a rendering device
US5710577A (en) * 1994-10-07 1998-01-20 Lasermaster Corporation Pixel description packet for a rendering device
JP3669448B2 (ja) * 1995-10-31 2005-07-06 富士写真フイルム株式会社 画像再生方法および装置
US6694052B1 (en) 1995-10-31 2004-02-17 Fuji Photo Film Co., Ltd. Image reproducing method and apparatus
EP0784402A3 (de) * 1996-01-10 1999-07-07 Matsushita Electric Industrial Co., Ltd. Fernsehempfänger
US5868075A (en) * 1997-02-26 1999-02-09 Presstek, Inc. Method and apparatus for imaging a seamless print medium
US6867879B1 (en) 1998-02-16 2005-03-15 Canon Kabushiki Kaisha Printer, control method of printer, and storage medium for storing control program of printer
WO2000063838A1 (en) * 1999-04-16 2000-10-26 Izahi Corporation Automatic black level, luminosity and color compensation for digital still images and digital video
US6704442B2 (en) 1999-11-15 2004-03-09 Canon Kabushiki Kaisha Composite color transformation using customized gamut mappings
JP3938456B2 (ja) * 2000-03-16 2007-06-27 パイオニア株式会社 映像信号の輝度階調補正装置
US6850641B2 (en) * 2001-09-27 2005-02-01 Fujifilm Electronic Imaging Limited Image processing apparatus
WO2004008778A1 (en) 2002-07-17 2004-01-22 Koninklijke Philips Electronics N.V. Non-linear picture processing
US7342682B2 (en) * 2002-12-05 2008-03-11 Canon Kabushiki Kaisha Incremental color transform creation
US7106352B2 (en) * 2003-03-03 2006-09-12 Sun Microsystems, Inc. Automatic gain control, brightness compression, and super-intensity samples
KR100612494B1 (ko) * 2004-06-07 2006-08-14 삼성전자주식회사 칼러 영상의 채도 조절 장치 및 방법
JP4941370B2 (ja) * 2008-03-18 2012-05-30 富士通株式会社 画像補正プログラム、画像補正装置および画像補正方法

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US4285009A (en) * 1976-02-25 1981-08-18 Dr. Ing. Rudolf Hell Gmbh Apparatus for producing corrected color chromatic components
GB2069794A (en) * 1980-01-21 1981-08-26 Dainippon Screen Mfg Picture signal pre-processing method
DE3047633A1 (de) * 1979-12-17 1981-10-15 Dainippon Screen Mfg Verfahren zur automatischen bestimmung von farbeinstellbedingungen fuer ein reproduktionsbild
GB2086077A (en) * 1980-09-02 1982-05-06 Konishiroku Photo Ind An automatic image quality adjusting device in a copying machine
DE2311210C2 (de) * 1973-03-07 1982-06-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
EP0096090A1 (de) * 1982-06-04 1983-12-21 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Herstellung farbiger Proofs beim Mehrfarbendruck
DE3408337A1 (de) * 1983-03-08 1984-09-13 Canon Kk Bildverarbeitungsgeraet
DE3409771A1 (de) * 1983-03-17 1984-09-20 Canon Kk Bildreproduktionsgeraet

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US4472736A (en) * 1980-03-11 1984-09-18 Dainippon Ink And Chemicals Incorporated Lithographic reproduction original classification and color separation tone curve adjustment
JPS56128947A (en) * 1980-03-13 1981-10-08 Dainippon Screen Mfg Co Ltd Method of setting highlight and shadow point density value of original picture to picture scanning recorder
JPH031657B2 (de) * 1980-07-07 1991-01-11 Dainippon Printing Co Ltd
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JPS5868040A (en) * 1981-10-19 1983-04-22 Konan Camera Kenkyusho:Kk Measuring device for correcting rate of gradation
JPH0748795B2 (ja) * 1982-07-09 1995-05-24 富士写真フイルム株式会社 画像入出力装置
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US4285009A (en) * 1976-02-25 1981-08-18 Dr. Ing. Rudolf Hell Gmbh Apparatus for producing corrected color chromatic components
DE3047633A1 (de) * 1979-12-17 1981-10-15 Dainippon Screen Mfg Verfahren zur automatischen bestimmung von farbeinstellbedingungen fuer ein reproduktionsbild
GB2069794A (en) * 1980-01-21 1981-08-26 Dainippon Screen Mfg Picture signal pre-processing method
GB2086077A (en) * 1980-09-02 1982-05-06 Konishiroku Photo Ind An automatic image quality adjusting device in a copying machine
EP0096090A1 (de) * 1982-06-04 1983-12-21 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Herstellung farbiger Proofs beim Mehrfarbendruck
DE3408337A1 (de) * 1983-03-08 1984-09-13 Canon Kk Bildverarbeitungsgeraet
DE3409771A1 (de) * 1983-03-17 1984-09-20 Canon Kk Bildreproduktionsgeraet

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210610A (en) * 1990-04-26 1993-05-11 Canon Kabushiki Kaisha Image signal correction processing apparatus
EP0454417A3 (en) * 1990-04-26 1992-03-04 Canon Kabushiki Kaisha Image signal processing apparatus
EP0454417A2 (de) * 1990-04-26 1991-10-30 Canon Kabushiki Kaisha Gerät zur Verarbeitung eines Fernsehsignals
US5594558A (en) * 1990-11-15 1997-01-14 Canon Kabushiki Kaisha Color image processing apparatus
EP0486311A3 (en) * 1990-11-15 1993-04-14 Canon Kabushiki Kaisha Color image processing apparatus
EP0486311A2 (de) * 1990-11-15 1992-05-20 Canon Kabushiki Kaisha Farbbildverarbeitungsgerät
US5844699A (en) * 1990-11-15 1998-12-01 Canon Kabushiki Kaisha Color image processing apparatus
EP0501728A2 (de) * 1991-02-27 1992-09-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung
EP0501728A3 (de) * 1991-02-27 1994-08-03 Matsushita Electric Ind Co Ltd
EP0516083A2 (de) * 1991-05-28 1992-12-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung
EP0516083A3 (de) * 1991-05-28 1994-08-03 Matsushita Electric Ind Co Ltd
EP0516084A3 (de) * 1991-05-28 1994-08-03 Matsushita Electric Ind Co Ltd
EP0516084A2 (de) * 1991-05-28 1992-12-02 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturanordnung für Videosignal
US7403304B2 (en) 2002-09-19 2008-07-22 Oce Printing Systems Gmbh Method for optimised colour reproduction of a coloured original image

Also Published As

Publication number Publication date Type
DE3609049C2 (de) 1990-02-15 grant
DE3609049C3 (de) 1996-03-21 grant
US4731662A (en) 1988-03-15 grant

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Legal Events

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D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted