DK154989C - Fremgangsmaade til bestemmelse af farveintensitetsvaerdier i billeder til indstilling af reproduktionsbetingelserne i billedreproduktionsmaskiner - Google Patents

Fremgangsmaade til bestemmelse af farveintensitetsvaerdier i billeder til indstilling af reproduktionsbetingelserne i billedreproduktionsmaskiner

Info

Publication number
DK154989C
DK154989C DK535880A DK535880A DK154989C DK 154989 C DK154989 C DK 154989C DK 535880 A DK535880 A DK 535880A DK 535880 A DK535880 A DK 535880A DK 154989 C DK154989 C DK 154989C
Authority
DK
Denmark
Prior art keywords
pictures
procedure
setting
intensity values
color intensity
Prior art date
Application number
DK535880A
Other languages
English (en)
Other versions
DK154989B (da
DK535880A (da
Inventor
Sadao Ueda
Masao Tokura
Mitsuhiko Yamada
Original Assignee
Dainippon Screen Mfg
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 Dainippon Screen Mfg filed Critical Dainippon Screen Mfg
Publication of DK535880A publication Critical patent/DK535880A/da
Publication of DK154989B publication Critical patent/DK154989B/da
Application granted granted Critical
Publication of DK154989C publication Critical patent/DK154989C/da

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
    • H04N1/6016—Conversion to subtractive colour signals
    • 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
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
DK535880A 1979-12-17 1980-12-17 Fremgangsmaade til bestemmelse af farveintensitetsvaerdier i billeder til indstilling af reproduktionsbetingelserne i billedreproduktionsmaskiner DK154989C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16380579 1979-12-17
JP16380579A JPS5687044A (en) 1979-12-17 1979-12-17 Method of determining adjusting items in image scanning recorder

Publications (3)

Publication Number Publication Date
DK535880A DK535880A (da) 1981-06-18
DK154989B DK154989B (da) 1989-01-16
DK154989C true DK154989C (da) 1989-06-05

Family

ID=15781033

Family Applications (1)

Application Number Title Priority Date Filing Date
DK535880A DK154989C (da) 1979-12-17 1980-12-17 Fremgangsmaade til bestemmelse af farveintensitetsvaerdier i billeder til indstilling af reproduktionsbetingelserne i billedreproduktionsmaskiner

Country Status (8)

Country Link
US (1) US4410909A (da)
JP (1) JPS5687044A (da)
DE (1) DE3047633C2 (da)
DK (1) DK154989C (da)
ES (1) ES497568A0 (da)
FR (1) FR2472212B1 (da)
GB (1) GB2067043B (da)
IT (1) IT1193569B (da)

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US4729016A (en) * 1985-05-06 1988-03-01 Eastman Kodak Company Digital color image processing method and apparatus employing three color reproduction functions for adjusting both tone scale and color balance
US4663663A (en) * 1985-05-06 1987-05-05 Eastman Kodak Company Digital color image processing method employing constrained correction of color reproduction functions
US4654722A (en) * 1985-05-06 1987-03-31 Eastman Kodak Company Tone value sample selection in digital image processing method employing histogram normalization
US4642683A (en) * 1985-05-06 1987-02-10 Eastman Kodak Company Digital image processing method for images with bimodal tone value distribution
JPS627290A (ja) * 1985-07-04 1987-01-14 Fuji Photo Film Co Ltd カラ−ネガフイルム撮像における階調補正方法および装置
US4879595A (en) * 1985-10-22 1989-11-07 Konishiroku Photo Industry Co., Ltd. Technique for reproducing an image read from a color original
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JPH0795812B2 (ja) * 1986-01-14 1995-10-11 凸版印刷株式会社 色分解シミユレ−シヨン装置
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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
JP2556486B2 (ja) * 1986-11-14 1996-11-20 キヤノン株式会社 フィルム読取装置
US4908701A (en) * 1987-03-09 1990-03-13 Canon Kabushiki Kaisha Color image processing method and apparatus for color adjustment during image processing
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JPH0620222B2 (ja) * 1987-07-30 1994-03-16 大日本スクリ−ン製造株式会社 画像走査読取り装置の受光部の感度基準設定方法
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JP2575843B2 (ja) * 1988-10-13 1997-01-29 富士写真フイルム株式会社 画像入出力システム及び信号処理条件の自動設定方法
DE3938522C2 (de) * 1989-11-21 1998-09-24 Philips Broadcast Television S System zum Fokussieren eines Fernsehkamera-Objektivs
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US5544258A (en) * 1991-03-14 1996-08-06 Levien; Raphael L. Automatic tone correction of images using non-linear histogram processing
US5333065A (en) * 1991-12-09 1994-07-26 Agfa-Gevaert Signal to density mapping with controlled contrast
DE4309877C2 (de) * 1992-04-06 1994-09-15 Hell Ag Linotype Verfahren und Einrichtung zur Analyse von Farbstichen in Farbvorlagen
DE4309879C2 (de) * 1992-04-06 1994-08-04 Hell Ag Linotype Verfahren und Einrichtung zur Analyse des Bildumfangs von Bildvorlagen
JP3083207B2 (ja) * 1992-07-13 2000-09-04 京セラミタ株式会社 画像形成装置
JP2606538B2 (ja) * 1992-12-11 1997-05-07 株式会社ニコン 画像読み取り装置
JP3111418B2 (ja) * 1993-12-03 2000-11-20 京セラミタ株式会社 画像形成装置
US5812286A (en) * 1995-08-30 1998-09-22 Hewlett-Packard Company Automatic color processing to correct hue shift and incorrect exposure
KR100404857B1 (ko) * 1996-12-31 2004-02-14 엘지전자 주식회사 유전알고리즘을이용한칼라영상입출력장치에서의색보정용색샘플결정방법
JP3668014B2 (ja) 1998-03-09 2005-07-06 富士写真フイルム株式会社 画像処理方法及び装置
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Also Published As

Publication number Publication date
DK154989B (da) 1989-01-16
FR2472212B1 (fr) 1988-06-24
JPS5687044A (en) 1981-07-15
DE3047633A1 (de) 1981-10-15
ES8106968A1 (es) 1981-09-16
GB2067043B (en) 1983-10-19
ES497568A0 (es) 1981-09-16
IT8026708A0 (it) 1980-12-17
DK535880A (da) 1981-06-18
IT1193569B (it) 1988-07-08
DE3047633C2 (de) 1986-02-06
GB2067043A (en) 1981-07-15
JPH0322117B2 (da) 1991-03-26
US4410909A (en) 1983-10-18
FR2472212A1 (fr) 1981-06-26

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