FR2512221B1 - Procede pour fabriquer des masques selectifs destines a des operations photomecaniques - Google Patents

Procede pour fabriquer des masques selectifs destines a des operations photomecaniques

Info

Publication number
FR2512221B1
FR2512221B1 FR828214744A FR8214744A FR2512221B1 FR 2512221 B1 FR2512221 B1 FR 2512221B1 FR 828214744 A FR828214744 A FR 828214744A FR 8214744 A FR8214744 A FR 8214744A FR 2512221 B1 FR2512221 B1 FR 2512221B1
Authority
FR
France
Prior art keywords
photomechanical
operations
manufacturing selective
selective masks
masks
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
FR828214744A
Other languages
English (en)
Other versions
FR2512221A1 (fr
Inventor
Mitsuhiko Yamada
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of FR2512221A1 publication Critical patent/FR2512221A1/fr
Application granted granted Critical
Publication of FR2512221B1 publication Critical patent/FR2512221B1/fr
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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • 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
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
FR828214744A 1981-08-28 1982-08-27 Procede pour fabriquer des masques selectifs destines a des operations photomecaniques Expired - Lifetime FR2512221B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56135942A JPS5837647A (ja) 1981-08-28 1981-08-28 抜きマスク作成方法

Publications (2)

Publication Number Publication Date
FR2512221A1 FR2512221A1 (fr) 1983-03-04
FR2512221B1 true FR2512221B1 (fr) 1992-09-11

Family

ID=15163442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828214744A Expired - Lifetime FR2512221B1 (fr) 1981-08-28 1982-08-27 Procede pour fabriquer des masques selectifs destines a des operations photomecaniques

Country Status (5)

Country Link
US (1) US4583125A (fr)
JP (1) JPS5837647A (fr)
DE (1) DE3231067C2 (fr)
FR (1) FR2512221B1 (fr)
GB (1) GB2105945B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166348A (ja) * 1982-03-26 1983-10-01 Dainippon Printing Co Ltd 印刷用切抜きマスク作成装置
JPS59226347A (ja) * 1983-06-07 1984-12-19 Toppan Printing Co Ltd 特定画像を抜き出して製版する方法
JPS6038973A (ja) * 1983-08-11 1985-02-28 Dainippon Screen Mfg Co Ltd 境界画素の処理方法
JPS60143341A (ja) * 1983-12-30 1985-07-29 Dainippon Screen Mfg Co Ltd 抜きマスク版の作製方法
JPS614061A (ja) * 1984-06-18 1986-01-09 Dainippon Screen Mfg Co Ltd カラ−スキヤナを用いた切抜きマスク作成方法および装置
JPS61102253A (ja) * 1984-10-26 1986-05-20 Dainippon Screen Mfg Co Ltd インキ供給量データファイル作成方法及びインキ供給量データ作成方法
JPH07118002B2 (ja) * 1985-07-18 1995-12-18 キヤノン株式会社 画像処理装置
JP2613589B2 (ja) * 1985-07-19 1997-05-28 キヤノン株式会社 マスク処理方式
JP2568172B2 (ja) * 1985-07-24 1996-12-25 キヤノン株式会社 画像情報処理装置
JPS62216478A (ja) * 1986-03-17 1987-09-24 Dainippon Screen Mfg Co Ltd 網ふせ装置
JPS63206875A (ja) * 1987-02-24 1988-08-26 Agency Of Ind Science & Technol 画像処理装置
JPH01168163A (ja) * 1987-12-23 1989-07-03 Fuji Xerox Co Ltd 画像処理装置
SU1649500A1 (ru) * 1988-06-15 1991-05-15 Научно-Производственное Объединение Полиграфического Машиностроения Способ изготовлени масок дл выделени фрагмента изображени
IL88286A (en) * 1988-11-04 1992-07-15 Scitex Corp Ltd Method and apparatus for preparing picture masks and for digitizing line edges
US5014326A (en) * 1989-03-03 1991-05-07 Greyhawk Systems, Inc. Projected image linewidth correction apparatus and method
US5111513A (en) * 1989-03-03 1992-05-05 Greyhawk Systems, Inc. Projected image linewidth correction apparatus and method
DE4012608A1 (de) * 1990-04-20 1991-10-24 Roland Man Druckmasch Verfahren und vorrichtung zur bestimmung von passerdifferenzen an druckbildstellen eines mehrfarbenoffsetdruckes
JPH04119473A (ja) * 1990-09-10 1992-04-20 Dainippon Screen Mfg Co Ltd カットマスク作成方法
US5321767A (en) * 1992-08-28 1994-06-14 Kabushiki Kaisha Komatsu Seisakusho Method of forming a mask in image processing operation
US5440652A (en) * 1993-09-10 1995-08-08 Athena Design Systems, Inc. Method and apparatus for preparing color separations based on n-way color relationships
JPH07168938A (ja) * 1993-12-15 1995-07-04 Ricoh Co Ltd デジタル複写機
EP0741485A1 (fr) * 1995-05-05 1996-11-06 Agfa-Gevaert N.V. Génération d'incrustations en demi-teintes pour utilisation avec des images en demi-teintes
US9299007B2 (en) * 2014-01-28 2016-03-29 Ncr Corporation Methods and apparatus for item identification using brightness compensation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1334529A (en) * 1970-11-04 1973-10-17 Crosfield Electronics Ltd Printing processes
FR2310044A1 (fr) * 1975-04-29 1976-11-26 Commissariat Energie Atomique Procede et dispositif d'isolement de figures dans une image
GB1582953A (en) * 1976-06-28 1981-01-21 Crosfield Electronics Ltd Printing methods
JPS6041341B2 (ja) * 1977-08-05 1985-09-17 大日本スクリ−ン製造株式会社 輪郭画像作成装置
JPS6042930B2 (ja) * 1977-08-25 1985-09-25 大日本スクリ−ン製造株式会社 抜きマスク作成方法
DE2920070C2 (de) * 1979-05-18 1983-11-17 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Einrichtung zum Ermitteln von Konturen innerhalb eines Bildes
US4220972A (en) * 1979-05-22 1980-09-02 Honeywell Inc. Low contrast object extraction device
US4450483A (en) * 1981-09-02 1984-05-22 Westinghouse Electric Corp. Circuit for improving the quality of digitized line images

Also Published As

Publication number Publication date
DE3231067C2 (de) 1985-07-18
US4583125A (en) 1986-04-15
JPS5837647A (ja) 1983-03-04
GB2105945A (en) 1983-03-30
JPS6255137B2 (fr) 1987-11-18
DE3231067A1 (de) 1983-03-17
GB2105945B (en) 1985-05-22
FR2512221A1 (fr) 1983-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse