DE602005005861D1 - Farbdruckverfahren das schwarze chromatische Druckpunkte durch monochromatische schwarze Druckpunkte ersetzt - Google Patents

Farbdruckverfahren das schwarze chromatische Druckpunkte durch monochromatische schwarze Druckpunkte ersetzt

Info

Publication number
DE602005005861D1
DE602005005861D1 DE602005005861T DE602005005861T DE602005005861D1 DE 602005005861 D1 DE602005005861 D1 DE 602005005861D1 DE 602005005861 T DE602005005861 T DE 602005005861T DE 602005005861 T DE602005005861 T DE 602005005861T DE 602005005861 D1 DE602005005861 D1 DE 602005005861D1
Authority
DE
Germany
Prior art keywords
black
printing
dots
printing dots
replaces
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.)
Active
Application number
DE602005005861T
Other languages
English (en)
Other versions
DE602005005861T2 (de
Inventor
Meng Yao
Mark R Parker
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE602005005861D1 publication Critical patent/DE602005005861D1/de
Application granted granted Critical
Publication of DE602005005861T2 publication Critical patent/DE602005005861T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Ink Jet (AREA)
  • Color, Gradation (AREA)
DE602005005861T 2004-01-12 2005-01-11 Farbdruckverfahren das schwarze chromatische Druckpunkte durch monochromatische schwarze Druckpunkte ersetzt Active DE602005005861T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/756,586 US7040730B2 (en) 2004-01-12 2004-01-12 Color printing
US756586 2004-01-12

Publications (2)

Publication Number Publication Date
DE602005005861D1 true DE602005005861D1 (de) 2008-05-21
DE602005005861T2 DE602005005861T2 (de) 2009-06-04

Family

ID=34592631

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005005861T Active DE602005005861T2 (de) 2004-01-12 2005-01-11 Farbdruckverfahren das schwarze chromatische Druckpunkte durch monochromatische schwarze Druckpunkte ersetzt

Country Status (5)

Country Link
US (1) US7040730B2 (de)
EP (1) EP1553755B1 (de)
JP (1) JP4598537B2 (de)
CN (1) CN100581831C (de)
DE (1) DE602005005861T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4475623B2 (ja) * 2002-07-31 2010-06-09 キヤノン株式会社 色処理方法および色処理装置
US7048349B2 (en) * 2004-01-12 2006-05-23 Xerox Corporation Color printing
US8068257B2 (en) * 2009-02-23 2011-11-29 Xerox Corp. Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH078007B2 (ja) * 1987-03-27 1995-01-30 キヤノン株式会社 カラー画像処理方法
US5428377A (en) 1992-08-11 1995-06-27 Xerox Corporation Color spatial filtering for thermal ink jet printers
JPH07154622A (ja) * 1993-11-29 1995-06-16 Fuji Xerox Co Ltd カラー画像形成装置
DE69519704T2 (de) * 1994-08-19 2001-04-26 Fuji Xerox Co Ltd Tintenstrahlaufzeichnungsverfahren und dieses benutzendes Gerät
US5568169A (en) * 1994-10-19 1996-10-22 Xerox Corporation Method and apparatus using two different black inks to reduce intercolor bleeding and provide high quality edge definition with thermal ink jet systems
US6449060B1 (en) 1996-07-22 2002-09-10 Canon Kabushiki Kaisha Image processing apparatus and method
JPH10129013A (ja) * 1996-10-30 1998-05-19 Ricoh Co Ltd インクジェット記録装置及びプリンタドライバ
US6250733B1 (en) 1998-11-23 2001-06-26 Xerox Corporation Color printer halftoning method
US6290330B1 (en) * 1999-12-03 2001-09-18 Xerox Corporation Maintaining black edge quality in liquid ink printing
JP2001309189A (ja) * 2000-04-26 2001-11-02 Canon Inc 画像処理装置および方法
US6987588B2 (en) 2001-06-25 2006-01-17 Xerox Corporation Text and image quality enhancement
JP3855800B2 (ja) 2002-02-27 2006-12-13 ブラザー工業株式会社 画像処理装置および画像処理方法

Also Published As

Publication number Publication date
EP1553755B1 (de) 2008-04-09
US7040730B2 (en) 2006-05-09
CN1640676A (zh) 2005-07-20
US20050151789A1 (en) 2005-07-14
JP4598537B2 (ja) 2010-12-15
JP2005199711A (ja) 2005-07-28
DE602005005861T2 (de) 2009-06-04
CN100581831C (zh) 2010-01-20
EP1553755A1 (de) 2005-07-13

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Legal Events

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8364 No opposition during term of opposition