DE69521381T2 - Fehlerdiffusionhalbtonrasterung mit homogener Ausgabe in Bildbereichen hoher/niedriger Intensität - Google Patents

Fehlerdiffusionhalbtonrasterung mit homogener Ausgabe in Bildbereichen hoher/niedriger Intensität

Info

Publication number
DE69521381T2
DE69521381T2 DE69521381T DE69521381T DE69521381T2 DE 69521381 T2 DE69521381 T2 DE 69521381T2 DE 69521381 T DE69521381 T DE 69521381T DE 69521381 T DE69521381 T DE 69521381T DE 69521381 T2 DE69521381 T2 DE 69521381T2
Authority
DE
Germany
Prior art keywords
error diffusion
image areas
low intensity
intensity image
homogeneous output
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
DE69521381T
Other languages
English (en)
Other versions
DE69521381D1 (de
Inventor
Reiner Eschbach
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 DE69521381D1 publication Critical patent/DE69521381D1/de
Application granted granted Critical
Publication of DE69521381T2 publication Critical patent/DE69521381T2/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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
    • H04N1/4053—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions with threshold modulated relative to input image data or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
DE69521381T 1994-09-15 1995-09-08 Fehlerdiffusionhalbtonrasterung mit homogener Ausgabe in Bildbereichen hoher/niedriger Intensität Expired - Lifetime DE69521381T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/306,299 US5535019A (en) 1994-09-15 1994-09-15 Error diffusion halftoning with homogeneous response in high/low intensity image regions

Publications (2)

Publication Number Publication Date
DE69521381D1 DE69521381D1 (de) 2001-07-26
DE69521381T2 true DE69521381T2 (de) 2001-10-31

Family

ID=23184685

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521381T Expired - Lifetime DE69521381T2 (de) 1994-09-15 1995-09-08 Fehlerdiffusionhalbtonrasterung mit homogener Ausgabe in Bildbereichen hoher/niedriger Intensität

Country Status (4)

Country Link
US (1) US5535019A (de)
EP (1) EP0702482B1 (de)
JP (1) JPH08107500A (de)
DE (1) DE69521381T2 (de)

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US7081972B2 (en) * 2000-09-20 2006-07-25 Canon Kabushiki Kaisha Image processing apparatus and image processing method
AUPR234700A0 (en) * 2000-12-29 2001-01-25 Canon Kabushiki Kaisha Error diffusion using next scanline error impulse response
US7417771B2 (en) * 2001-06-26 2008-08-26 Sharp Laboratories Of America, Inc. Error diffusion halftoning system
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US7061645B2 (en) * 2001-09-27 2006-06-13 Sharp Laboratories Of America, Inc. Non-segmentation, individual pixel-by-pixel-based image rendering system
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KR100421987B1 (ko) * 2001-12-06 2004-03-11 삼성전자주식회사 오차확산 처리방법
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US7268919B2 (en) * 2002-01-17 2007-09-11 Seiko Epson Corporation Image data processing apparatus, method, and program that diffuses gradiation error for each pixel in target block
KR100438720B1 (ko) * 2002-04-09 2004-07-05 삼성전자주식회사 영상의 휘도 레벨 변환 방법 및 장치
ES2199076B1 (es) * 2002-07-19 2005-06-16 Consejo Sup. Investig. Cientificas Circuito de adaptacion de luminancia basado en interacciones locales.
EP1406433A3 (de) 2002-09-17 2007-05-23 Agfa Graphics N.V. Beschränkungskorrelation Rechner-Platte Tintenstrahlsysteme
EP1401190B1 (de) * 2002-09-17 2013-05-29 Agfa Graphics N.V. Unterpunktphasenmodulation für Tintenstrahlsysteme vom Rechner zur Platte
US7301674B2 (en) * 2002-10-31 2007-11-27 Hewlett-Packard Development Company, L.P. Translation of an input pixel value to an output pixel value
US7502138B2 (en) * 2002-11-25 2009-03-10 Hewlett-Packard Development Company, L.P. Spacing out output of pixels for other color components upon output of pixel for color component of an image pixel
US7230740B2 (en) 2002-11-25 2007-06-12 Hewlett-Packard Development Company, L.P. Substantial preclusion of output of pixels for other color components upon output of pixel for image pixel color component
US20040218220A1 (en) * 2003-04-29 2004-11-04 International Business Machines Corporation Enhanced error diffusion
US7420708B2 (en) 2003-12-19 2008-09-02 Xerox Corporation Method for processing color image data employing a stamp field
US7317556B2 (en) * 2003-12-19 2008-01-08 Xerox Corporation Method for error diffusion employing a stamp field
JP2005191959A (ja) 2003-12-25 2005-07-14 Konica Minolta Holdings Inc 画像処理装置、画像処理方法及び画像処理プログラム
US7460727B2 (en) * 2005-06-30 2008-12-02 Xerox Corporation Error diffusion method and hardware architecture
US7565027B2 (en) * 2005-10-07 2009-07-21 Xerox Corporation Countdown stamp error diffusion
CN100377567C (zh) * 2005-10-26 2008-03-26 北京北大方正电子有限公司 在多位成像深度设备上的调频调幅混合网点网型控制方法
JP5288824B2 (ja) * 2008-02-20 2013-09-11 キヤノン株式会社 カラー画像形成装置、画像形成装置、カラー画像処理方法、画像処理方法、及びプログラム
JP5219591B2 (ja) 2008-04-02 2013-06-26 キヤノン株式会社 画像処理装置およびその方法
US8482801B2 (en) * 2008-04-10 2013-07-09 Xerox Corporation Storage of stamp information for error diffusion
US10602020B2 (en) 2016-10-31 2020-03-24 Hewlett-Packard Development Company, L.P. Dynamic threshold based error diffusion

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Also Published As

Publication number Publication date
US5535019A (en) 1996-07-09
DE69521381D1 (de) 2001-07-26
EP0702482B1 (de) 2001-06-20
EP0702482A3 (de) 1997-06-18
EP0702482A2 (de) 1996-03-20
JPH08107500A (ja) 1996-04-23

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