DE602005006359D1 - Fehlerdiffusion - Google Patents

Fehlerdiffusion

Info

Publication number
DE602005006359D1
DE602005006359D1 DE602005006359T DE602005006359T DE602005006359D1 DE 602005006359 D1 DE602005006359 D1 DE 602005006359D1 DE 602005006359 T DE602005006359 T DE 602005006359T DE 602005006359 T DE602005006359 T DE 602005006359T DE 602005006359 D1 DE602005006359 D1 DE 602005006359D1
Authority
DE
Germany
Prior art keywords
error diffusion
diffusion
error
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
DE602005006359T
Other languages
English (en)
Other versions
DE602005006359T2 (de
Inventor
Ki-Min Kang
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602005006359D1 publication Critical patent/DE602005006359D1/de
Application granted granted Critical
Publication of DE602005006359T2 publication Critical patent/DE602005006359T2/de
Expired - Fee Related 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
    • H04N1/40—Picture signal circuits
    • 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)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
DE602005006359T 2004-10-11 2005-10-07 Fehlerdiffusion Expired - Fee Related DE602005006359T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040080788A KR100648657B1 (ko) 2004-10-11 2004-10-11 클러스터를 통한 오차 확산장치
KR2004080788 2004-10-11

Publications (2)

Publication Number Publication Date
DE602005006359D1 true DE602005006359D1 (de) 2008-06-12
DE602005006359T2 DE602005006359T2 (de) 2009-06-04

Family

ID=36144914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006359T Expired - Fee Related DE602005006359T2 (de) 2004-10-11 2005-10-07 Fehlerdiffusion

Country Status (4)

Country Link
US (1) US20060077467A1 (de)
EP (1) EP1646223B1 (de)
KR (1) KR100648657B1 (de)
DE (1) DE602005006359T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1798951B1 (de) * 2005-12-14 2015-04-08 Océ-Technologies B.V. Verfahren, Apparat und Computerprogramm für die Halbtonrasterung digitaler Bilder
KR101617317B1 (ko) * 2013-10-28 2016-05-02 한국과학기술원 이진 자료를 군집화하는 방법 및 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917614A (en) * 1992-11-30 1999-06-29 Levien; Raphael L Method and apparatus for error diffusion screening of images with improved smoothness in highlight and shadow regions
ATE222039T1 (de) * 1994-04-27 2002-08-15 Agfa Gevaert Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruck
US5708514A (en) * 1994-08-31 1998-01-13 Kabushiki Kaisha Toshiba Error diffusion method in a multi-level image recording apparatus utilizing adjacent-pixel characteristics
US5870503A (en) * 1994-10-20 1999-02-09 Minolta Co., Ltd. Image processing apparatus using error diffusion technique
NL1001788C2 (nl) * 1995-11-30 1997-06-04 Oce Tech Bv Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden.
US5835687A (en) * 1996-10-21 1998-11-10 Vidar Systems Corporation Methods and apparatus for providing digital halftone images with random error diffusion dithering
US6108450A (en) * 1996-11-19 2000-08-22 Brother Kogyo Kabushiki Kaisha Threshold matrix-employed error diffusion image conversion method
US6061143A (en) * 1997-09-23 2000-05-09 Xerox Corporation System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process
EP0917348A3 (de) * 1997-11-17 2002-06-19 Xerox Corporation Fehlerdiffusion mit Subpixelmodulation für die Graustufenwiedergabe von kontinuierlichen Bildtonwerten
US6597813B1 (en) * 1999-03-11 2003-07-22 International Business Machines Corporation Masks with modulated clustering and aperiodicity and rescaling of masks
US6707576B1 (en) * 1999-12-02 2004-03-16 Sharp Laboratories Of America, Inc. Noise modulation error diffusion of digital halftoning
KR100421987B1 (ko) * 2001-12-06 2004-03-11 삼성전자주식회사 오차확산 처리방법

Also Published As

Publication number Publication date
EP1646223B1 (de) 2008-04-30
EP1646223A1 (de) 2006-04-12
KR20060032231A (ko) 2006-04-17
DE602005006359T2 (de) 2009-06-04
US20060077467A1 (en) 2006-04-13
KR100648657B1 (ko) 2006-11-24

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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