DE3883949T2 - Bildverarbeitungsgerät mit Dichteanzeiger. - Google Patents

Bildverarbeitungsgerät mit Dichteanzeiger.

Info

Publication number
DE3883949T2
DE3883949T2 DE88121771T DE3883949T DE3883949T2 DE 3883949 T2 DE3883949 T2 DE 3883949T2 DE 88121771 T DE88121771 T DE 88121771T DE 3883949 T DE3883949 T DE 3883949T DE 3883949 T2 DE3883949 T2 DE 3883949T2
Authority
DE
Germany
Prior art keywords
image processing
processing device
density indicator
indicator
density
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
DE88121771T
Other languages
English (en)
Other versions
DE3883949D1 (de
Inventor
Kazuya C O Dainippon S Akiyama
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18259379&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3883949(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of DE3883949D1 publication Critical patent/DE3883949D1/de
Application granted granted Critical
Publication of DE3883949T2 publication Critical patent/DE3883949T2/de
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
    • H04N1/40—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimiles In General (AREA)
  • Color Image Communication Systems (AREA)
DE88121771T 1987-12-29 1988-12-28 Bildverarbeitungsgerät mit Dichteanzeiger. Expired - Lifetime DE3883949T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62332840A JP2651482B2 (ja) 1987-12-29 1987-12-29 画像処理装置における表示装置

Publications (2)

Publication Number Publication Date
DE3883949D1 DE3883949D1 (de) 1993-10-14
DE3883949T2 true DE3883949T2 (de) 1994-04-28

Family

ID=18259379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88121771T Expired - Lifetime DE3883949T2 (de) 1987-12-29 1988-12-28 Bildverarbeitungsgerät mit Dichteanzeiger.

Country Status (4)

Country Link
US (1) US4992864A (de)
EP (1) EP0322879B1 (de)
JP (1) JP2651482B2 (de)
DE (1) DE3883949T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01255542A (ja) * 1988-04-05 1989-10-12 Canon Inc カラー画像形成装置
US5079638A (en) * 1988-07-05 1992-01-07 Minolta Camera Co., Ltd. Image reading apparatus
JP3020957B2 (ja) * 1988-11-18 2000-03-15 キヤノン株式会社 画像処理方法
US5164822A (en) * 1989-02-02 1992-11-17 Minolta Camera Kabushiki Kaisha Color image forming apparatus
JPH06103927B2 (ja) * 1989-10-25 1994-12-14 大日本スクリーン製造株式会社 トーンカーブ設定方法
US5130789A (en) * 1989-12-13 1992-07-14 Eastman Kodak Company Localized image recoloring using ellipsoid boundary function
US5155588A (en) * 1990-02-06 1992-10-13 Levien Raphael L Color correction and apparatus for photographic reproduction
US5270808A (en) * 1990-08-03 1993-12-14 Canon Kabushiki Kaisha Color image processing with adjustment of computed recording color to match original color
JP2878855B2 (ja) * 1991-02-21 1999-04-05 富士写真フイルム株式会社 画像処理装置
JP2630687B2 (ja) * 1991-05-14 1997-07-16 大日本スクリーン製造株式会社 画像処理装置
US5523861A (en) * 1991-05-15 1996-06-04 Canon Kabushiki Kaisha Image reader capable of setting density and illumination
EP0536892B1 (de) * 1991-10-07 1997-02-05 Xerox Corporation Bildeditiersystem und Methode mit verbesserter Farbpaletteneditierung
JP2740409B2 (ja) * 1992-04-21 1998-04-15 大日本スクリーン製造株式会社 シャープネス処理装置
US5335097A (en) * 1992-04-21 1994-08-02 Dainippon Screen Mfg. Co., Ltd. Color tone correcting apparatus
US5367388A (en) * 1992-07-27 1994-11-22 Scitex Corporation Ltd. Electronic separation scanner
JP3370817B2 (ja) * 1995-03-16 2003-01-27 大日本スクリーン製造株式会社 コントラスト修正装置
JP4252793B2 (ja) * 2002-11-21 2009-04-08 大日本スクリーン製造株式会社 印刷管理方法、画像データ作成装置および画像作成用データ
JP4420624B2 (ja) * 2003-05-30 2010-02-24 大日本スクリーン製造株式会社 色調制御装置および代表点決定方法
JP2011062921A (ja) * 2009-09-17 2011-03-31 Fuji Xerox Co Ltd 画像形成装置およびプログラム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438921B2 (de) * 1974-05-31 1979-11-24
DE2848376C2 (de) * 1978-11-08 1983-12-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Nachkorrektur von Standardfarbkorrekturen bei der Farbbildaufzeichnung
DE2920058C2 (de) * 1979-05-18 1983-09-29 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Schaltungsanordnung zur partiellen elektronischen Retusche bei der Farbbildreproduktion
JPS5694228A (en) * 1979-12-28 1981-07-30 Dainippon Screen Mfg Co Ltd Color separation simulation device
JPS56162751A (en) * 1980-05-20 1981-12-14 Dainippon Printing Co Ltd Printing color simulating device
EP0059705B1 (de) * 1980-09-10 1984-11-14 DR.-ING. RUDOLF HELL GmbH Verfahren und schaltungsanordnung zur partiellen korrektur der zeichnung bei der farbbildreproduktion
US4476487A (en) * 1982-05-04 1984-10-09 Dr. -Ing. Rudolf Hell Gmbh Method and circuit arrangement for partial electronic retouch in color image reproduction
JPS58211154A (ja) * 1982-06-01 1983-12-08 Dainippon Screen Mfg Co Ltd レタツチ機能を有する画像走査記録方法及び装置
ATE18483T1 (de) * 1982-12-11 1986-03-15 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur kopierenden retusche bei der elektronischen farbbildreproduktion.
US4689669A (en) * 1984-11-27 1987-08-25 Sony Corporation Color graphics data processing apparatus
JPS624648A (ja) * 1985-07-01 1987-01-10 Hitachi Cable Ltd トロリ−導体接続装置
GB2178628B (en) * 1985-07-31 1989-08-16 Gerber Scient Inc Apparatus and method for determining a colour for use in a garment design
GB8722228D0 (en) * 1987-09-22 1987-10-28 Crosfield Electronics Ltd Image processing
GB8723203D0 (en) * 1987-10-02 1987-11-04 Crosfield Electronics Ltd Interactive image modification

Also Published As

Publication number Publication date
US4992864A (en) 1991-02-12
JPH01175368A (ja) 1989-07-11
EP0322879B1 (de) 1993-09-08
EP0322879A2 (de) 1989-07-05
DE3883949D1 (de) 1993-10-14
EP0322879A3 (en) 1990-05-09
JP2651482B2 (ja) 1997-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition