DE69227853D1 - Bildverarbeitungsgerät - Google Patents

Bildverarbeitungsgerät

Info

Publication number
DE69227853D1
DE69227853D1 DE69227853T DE69227853T DE69227853D1 DE 69227853 D1 DE69227853 D1 DE 69227853D1 DE 69227853 T DE69227853 T DE 69227853T DE 69227853 T DE69227853 T DE 69227853T DE 69227853 D1 DE69227853 D1 DE 69227853D1
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
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 - Fee Related
Application number
DE69227853T
Other languages
English (en)
Other versions
DE69227853T2 (de
Inventor
Masafumi Kamei
Yoshiyuki Suzuki
Shizuo Hasegawa
Hiroyuki Ichikawa
Yoshihiro Funamizu
Akio Itoh
Yoshinori Abe
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 JP05965691A external-priority patent/JP3313734B2/ja
Priority claimed from JP3153940A external-priority patent/JP3042911B2/ja
Priority claimed from JP31986591A external-priority patent/JP3226224B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69227853D1 publication Critical patent/DE69227853D1/de
Application granted granted Critical
Publication of DE69227853T2 publication Critical patent/DE69227853T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/40093—Modification of content of picture, e.g. retouching
    • 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
    • H04N1/40012—Conversion of colour to monochrome

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
DE69227853T 1991-03-01 1992-02-28 Bildverarbeitungsgerät Expired - Fee Related DE69227853T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP05965691A JP3313734B2 (ja) 1991-03-01 1991-03-01 画像処理装置及び画像処理方法
JP3153940A JP3042911B2 (ja) 1991-05-29 1991-05-29 画像処理装置及び画像処理方法
JP31986591A JP3226224B2 (ja) 1991-11-07 1991-11-07 画像処理装置

Publications (2)

Publication Number Publication Date
DE69227853D1 true DE69227853D1 (de) 1999-01-28
DE69227853T2 DE69227853T2 (de) 1999-05-27

Family

ID=27296955

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227853T Expired - Fee Related DE69227853T2 (de) 1991-03-01 1992-02-28 Bildverarbeitungsgerät

Country Status (3)

Country Link
US (2) US5485288A (de)
EP (1) EP0501814B1 (de)
DE (1) DE69227853T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3176101B2 (ja) * 1991-11-12 2001-06-11 キヤノン株式会社 画像読取装置
DE4393748T1 (de) * 1992-08-03 1994-10-20 Ricoh Kk Vorlagen-Unterscheidungssystem zum Unterscheiden eines speziellen Dokumentes, Bilderzeugungs- und Bildverarbeitungseinrichtung sowie Kopiergerät
JP3427554B2 (ja) * 1995-03-01 2003-07-22 オムロン株式会社 画像処理装置及び方法
JPH0962662A (ja) * 1995-08-18 1997-03-07 Fuji Xerox Co Ltd 文書処理装置
US5754743A (en) * 1996-04-10 1998-05-19 Snap-On Technologies, Inc. Apparatus and method for printing color screen displays on a monochrome printer
US5898819A (en) * 1996-06-05 1999-04-27 Microsoft Corporation System for black and white printing of colored pages
US6023537A (en) * 1996-07-15 2000-02-08 Ricoh Company, Ltd. Image reading apparatus using an image reading position error measuring device
US6169607B1 (en) * 1996-11-18 2001-01-02 Xerox Corporation Printing black and white reproducible colored test documents
US6179485B1 (en) * 1996-11-18 2001-01-30 Xerox Corporation Printing black and white reproducible colored stroke documents
US6108442A (en) * 1997-06-27 2000-08-22 Minnesota Mining And Manufacturing Company Characterization of color imaging systems
JP3758377B2 (ja) * 1998-09-14 2006-03-22 コニカミノルタビジネステクノロジーズ株式会社 画像読取装置および色収差補正方法
US6356274B1 (en) * 1999-01-25 2002-03-12 Donald Spector Computer system for converting a colored picture into a color-in line drawing
US20020075292A1 (en) * 1999-01-25 2002-06-20 Donald Spector Computer system for converting pictures and designs into line drawings and reproducing the drawings on substrates
US7110147B1 (en) * 1999-09-09 2006-09-19 Seiko Epson Corporation Image processing method and apparatus
EP1407445B1 (de) * 2001-06-07 2010-07-21 Genoa Color Technologies Ltd. System und verfahren zur datenumsetzung für anzeigen mit grosser stufenleiter
JP3722740B2 (ja) * 2001-11-05 2005-11-30 三菱電機株式会社 映像処理装置及び映像処理方法
US7184173B2 (en) * 2002-06-27 2007-02-27 Hewlett-Packard Development Company, L.P. Method and system for characterizing printer color
US7421145B2 (en) * 2002-07-31 2008-09-02 Transpacific Ip Ltd. Image correction method, apparatus, article and image
JP2004077841A (ja) * 2002-08-19 2004-03-11 Fuji Xerox Co Ltd 画像形成処理方法及び画像形成処理装置
US20040080789A1 (en) * 2002-10-28 2004-04-29 Anderson James E. Gray scale enhancements for color documents rendered on monochrome devices
US7433091B2 (en) * 2002-11-28 2008-10-07 Canon Kabushiki Kaisha Image forming and reading apparatus
US7777917B2 (en) * 2005-09-08 2010-08-17 The Go Daddy Group, Inc. Document color and shades of gray optimization using solid monochrome colors
US8179565B2 (en) * 2005-09-08 2012-05-15 Go Daddy Operating Company, LLC Document color and shades of gray optimization using outlining
US8115977B2 (en) * 2005-09-08 2012-02-14 Go Daddy Operating Company, LLC Document color and shades of gray optimization using monochrome patterns
US7502135B2 (en) * 2005-09-08 2009-03-10 The Go Daddy Group, Inc. Document color and shades of gray optimization using dithered monochrome surfaces
US20070056295A1 (en) * 2005-09-13 2007-03-15 Almont Development, Ltd. Solid-state water cooler
US20080184710A1 (en) * 2007-02-06 2008-08-07 Devilbiss Roger S Multistage Thermoelectric Water Cooler
JP4529990B2 (ja) * 2007-03-30 2010-08-25 ブラザー工業株式会社 画像処理プログラム及び画像処理装置
JP2009193429A (ja) * 2008-02-15 2009-08-27 Mitsubishi Electric Corp 画像読取装置
JP4963674B2 (ja) * 2008-02-21 2012-06-27 キヤノン株式会社 画像処理装置及び画像処理方法
JP2012170002A (ja) * 2011-02-16 2012-09-06 Canon Inc 画像処理装置、画像処理方法、およびその画像処理プログラム
US8885212B2 (en) * 2011-02-28 2014-11-11 Ricoh Company, Ltd. Converting between color and monochrome
US8977046B2 (en) * 2012-02-13 2015-03-10 Seiko Epson Corporation Image processing device, image processing method, and storage medium storing image processing program with color to pattern correlation
JP5856594B2 (ja) * 2013-08-30 2016-02-10 富士フイルム株式会社 色分解装置、色分解方法および色分解プログラム
US9419716B2 (en) * 2013-11-14 2016-08-16 Nicolas Thomas Mathieu Dupont Variable color data transmission
US10028277B2 (en) 2013-11-20 2018-07-17 Cyborg Inc. Variable frequency data transmission
US8941513B1 (en) * 2013-11-20 2015-01-27 Nicolas Thomas Mathieu Dupont Variable frequency data transmission

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1319158A (en) * 1969-11-05 1973-06-06 Kogyo Gijutsuin Pattern processing systems
JPS5666974A (en) * 1979-11-02 1981-06-05 Canon Inc Picture forming method
US4308553A (en) * 1980-03-03 1981-12-29 Xerox Corporation Method and apparatus for making monochrome facsimiles of color images on color displays
US4616262A (en) * 1983-11-14 1986-10-07 Dainippon Ink And Chemicals, Incorporated Method and apparatus for forming a combined image signal
US4688031A (en) * 1984-03-30 1987-08-18 Wang Laboratories, Inc. Monochromatic representation of color images
US4646078A (en) * 1984-09-06 1987-02-24 Tektronix, Inc. Graphics display rapid pattern fill using undisplayed frame buffer memory
JPS63187770A (ja) * 1987-01-29 1988-08-03 Toshiba Corp 画像形成装置
EP0312301B1 (de) * 1987-10-16 1994-04-27 Canon Kabushiki Kaisha Gerät zur Bildherstellung
DE68927080T2 (de) * 1988-06-08 1997-03-20 Canon Kk Bildverarbeitungsvorrichtung
US5086484A (en) * 1988-08-24 1992-02-04 Canon Kabushiki Kaisha Image processing apparatus with fixed or variable threshold
DE68925174T2 (de) * 1988-10-04 1996-06-13 Canon Kk Farbbildverarbeitungsgerät
JP2662429B2 (ja) * 1988-11-14 1997-10-15 キヤノン株式会社 画像編集装置
DE68928557T2 (de) * 1988-11-14 1998-05-14 Canon Kk Bildverarbeitungsgerät und -methode
US5054099A (en) * 1989-02-23 1991-10-01 Nippon Telegraph And Telephone Corporation Binary image reduction method

Also Published As

Publication number Publication date
EP0501814A2 (de) 1992-09-02
EP0501814A3 (en) 1993-03-10
US5485288A (en) 1996-01-16
DE69227853T2 (de) 1999-05-27
EP0501814B1 (de) 1998-12-16
US5691827A (en) 1997-11-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee