DE69013100D1 - Farbbildverarbeitungsgerät. - Google Patents

Farbbildverarbeitungsgerät.

Info

Publication number
DE69013100D1
DE69013100D1 DE69013100T DE69013100T DE69013100D1 DE 69013100 D1 DE69013100 D1 DE 69013100D1 DE 69013100 T DE69013100 T DE 69013100T DE 69013100 T DE69013100 T DE 69013100T DE 69013100 D1 DE69013100 D1 DE 69013100D1
Authority
DE
Germany
Prior art keywords
image processing
processing device
color image
color
processing
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
DE69013100T
Other languages
English (en)
Other versions
DE69013100T2 (de
Inventor
Masanori 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.)
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 JP1200490A external-priority patent/JP2911488B2/ja
Priority claimed from JP1200497A external-priority patent/JP2984283B2/ja
Priority claimed from JP1200494A external-priority patent/JP2911489B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69013100D1 publication Critical patent/DE69013100D1/de
Publication of DE69013100T2 publication Critical patent/DE69013100T2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Electrophotography (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
DE69013100T 1989-08-02 1990-07-31 Farbbildverarbeitungsgerät. Expired - Lifetime DE69013100T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1200490A JP2911488B2 (ja) 1989-08-02 1989-08-02 カラー画像処理装置
JP1200497A JP2984283B2 (ja) 1989-08-02 1989-08-02 カラー画像処理装置
JP1200494A JP2911489B2 (ja) 1989-08-02 1989-08-02 カラー画像処理装置

Publications (2)

Publication Number Publication Date
DE69013100D1 true DE69013100D1 (de) 1994-11-10
DE69013100T2 DE69013100T2 (de) 1995-03-23

Family

ID=27327824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013100T Expired - Lifetime DE69013100T2 (de) 1989-08-02 1990-07-31 Farbbildverarbeitungsgerät.

Country Status (3)

Country Link
US (1) US5973804A (de)
EP (1) EP0411918B1 (de)
DE (1) DE69013100T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2610365B2 (ja) * 1991-03-12 1997-05-14 三田工業株式会社 原稿の色種判別装置
JPH07283920A (ja) * 1994-04-05 1995-10-27 Minolta Co Ltd 画像形成装置
JPH08242371A (ja) * 1995-03-06 1996-09-17 Minolta Co Ltd カラー画像処理装置
JPH09270928A (ja) * 1996-04-02 1997-10-14 Canon Inc 画像処理装置及び方法
JPH11331626A (ja) * 1998-03-09 1999-11-30 Minolta Co Ltd 画像処理装置
US6377703B1 (en) 1998-11-10 2002-04-23 Seiko Epson Corporation Apparatus and method for determining an area encompassing an image for scanning the image
US6718878B2 (en) 1999-09-29 2004-04-13 Xerox Corporation Automatic detection of black and white pages in a color document stream
FR2802376B1 (fr) * 1999-12-10 2004-03-05 Sagem Procede de commande d'un scanner noir-blanc et couleur et scanner pour la mise en oeuvre du procede
JP3780810B2 (ja) * 2000-03-27 2006-05-31 コニカミノルタビジネステクノロジーズ株式会社 画像処理回路
DE10016450A1 (de) * 2000-04-01 2001-10-04 Heidelberger Druckmasch Ag Verfahren zur Klassifizierung von Bildvorlagen nach Graubildern und Farbbildern
JP2004072536A (ja) * 2002-08-07 2004-03-04 Nisca Corp 画像読取装置、画像読取方法及び原稿搬送装置
JP3889684B2 (ja) * 2002-08-07 2007-03-07 ニスカ株式会社 画像読取装置及び画像読取方法
US7295341B2 (en) * 2002-12-09 2007-11-13 Xerox Corporation System for processing monochrome and full-color digital image data
US7307766B2 (en) * 2003-04-04 2007-12-11 Good News Enterprises Limited Black and white image detection
JP3880553B2 (ja) * 2003-07-31 2007-02-14 キヤノン株式会社 画像処理方法および装置
JP4480677B2 (ja) * 2003-12-11 2010-06-16 富士通株式会社 画像補正方法及びプログラム、並びに装置
US6992686B2 (en) * 2004-06-14 2006-01-31 Xerox Corporation System and method for dynamic control of file size
JP4259565B2 (ja) * 2006-10-24 2009-04-30 セイコーエプソン株式会社 Ｒａｗデータ処理装置、ｒａｗデータ処理方法及びそのプログラム

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744825A (en) * 1980-08-29 1982-03-13 Canon Inc Device for sensing color image
US4538182A (en) * 1981-05-11 1985-08-27 Canon Kabushiki Kaisha Image processing apparatus
FR2542540B1 (fr) * 1983-03-08 1989-02-10 Canon Kk Systeme de traitement d'images
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
EP0191135B1 (de) * 1985-02-09 1991-04-17 Dainippon Screen Mfg. Co., Ltd. Verfahren und Gerät zur Wiedergabe von Farbtrennungsbildern durch Abtasten
JPS61223756A (ja) * 1985-03-28 1986-10-04 Canon Inc 複写装置
JP2721334B2 (ja) * 1985-03-20 1998-03-04 キヤノン株式会社 画像２値化処理装置
JPS6250840A (ja) * 1985-08-30 1987-03-05 Canon Inc 画像領域指定機能付画像形成装置
JPS62150966A (ja) * 1985-12-25 1987-07-04 Canon Inc カラ−画像処理装置
US4922349A (en) * 1986-05-16 1990-05-01 Canon Kabushiki Kaisha Data communication apparatus
US4896208A (en) * 1986-12-02 1990-01-23 Minolta Camera Kabushiki Kaisha Apparatus and method for reading and digitally editing multiple images
US4899227A (en) * 1987-01-26 1990-02-06 Canon Kabushiki Kaisha Image processing apparatus detecting the size or position of an information portion of an original
JPS6424565A (en) * 1987-07-20 1989-01-26 Sharp Kk System for storing plural kinds of picture data
JPH0664331B2 (ja) * 1987-09-17 1994-08-22 富士写真フイルム株式会社 画像形成装置
JPH07101915B2 (ja) * 1987-09-21 1995-11-01 コニカ株式会社 画像処理装置
JPH01198870A (ja) * 1987-10-08 1989-08-10 Ricoh Co Ltd デジタルカラー画像処理装置
JPH01110677A (ja) * 1987-10-23 1989-04-27 Asahi Chem Ind Co Ltd 新規キナゾリノン化合物およびその製造方法
JPH01309467A (ja) * 1988-01-29 1989-12-13 Konica Corp 画像処理装置
JPH01236770A (ja) * 1988-03-16 1989-09-21 Minolta Camera Co Ltd 画像編集装置
JP2551542B2 (ja) * 1988-04-28 1996-11-06 富士写真フイルム株式会社 複写方法
JP2807473B2 (ja) * 1988-10-19 1998-10-08 株式会社リコー カラー画像のエッジ部検出方法
JP2915048B2 (ja) * 1989-04-04 1999-07-05 株式会社リコー カラー画像処理装置
JPH02266655A (ja) * 1989-04-06 1990-10-31 Konica Corp カラー画像読取り装置
US5031050A (en) * 1990-02-26 1991-07-09 Hewlett-Packard Company Method and system for reproducing monochromatic and color images using ordered dither and error diffusion

Also Published As

Publication number Publication date
EP0411918A3 (en) 1991-11-13
EP0411918B1 (de) 1994-10-05
DE69013100T2 (de) 1995-03-23
EP0411918A2 (de) 1991-02-06
US5973804A (en) 1999-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition