DE69836182D1 - Bildverarbeitungsverfahren und -vorrichtung - Google Patents

Bildverarbeitungsverfahren und -vorrichtung

Info

Publication number
DE69836182D1
DE69836182D1 DE69836182T DE69836182T DE69836182D1 DE 69836182 D1 DE69836182 D1 DE 69836182D1 DE 69836182 T DE69836182 T DE 69836182T DE 69836182 T DE69836182 T DE 69836182T DE 69836182 D1 DE69836182 D1 DE 69836182D1
Authority
DE
Germany
Prior art keywords
image processing
processing method
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 - Lifetime
Application number
DE69836182T
Other languages
English (en)
Other versions
DE69836182T2 (de
Inventor
Stuart A Schweid
David J Metcalfe
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
Application granted granted Critical
Publication of DE69836182D1 publication Critical patent/DE69836182D1/de
Publication of DE69836182T2 publication Critical patent/DE69836182T2/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
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • 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
DE69836182T 1997-09-23 1998-09-14 Bildverarbeitungsverfahren und -vorrichtung Expired - Lifetime DE69836182T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5961297P 1997-09-23 1997-09-23
US59612P 1997-09-23

Publications (2)

Publication Number Publication Date
DE69836182D1 true DE69836182D1 (de) 2006-11-30
DE69836182T2 DE69836182T2 (de) 2007-09-06

Family

ID=22024093

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836182T Expired - Lifetime DE69836182T2 (de) 1997-09-23 1998-09-14 Bildverarbeitungsverfahren und -vorrichtung

Country Status (4)

Country Link
US (1) US6061143A (de)
EP (1) EP0903933B1 (de)
JP (1) JPH11168628A (de)
DE (1) DE69836182T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6353687B1 (en) * 1998-12-18 2002-03-05 Xerox Corporation System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process
US6870643B2 (en) * 2001-01-31 2005-03-22 International Business Machines Corporation Method and system for error diffusion with a plurality of error measures
US6956977B2 (en) * 2001-08-08 2005-10-18 General Electric Company Methods for improving contrast based dynamic range management
EP1568210A1 (de) * 2002-11-25 2005-08-31 Agfa-Gevaert Verfahren zur erzeugung von nichtdruckenden punkten in einer gerasterten repräsentation eines bildes
KR100648657B1 (ko) * 2004-10-11 2006-11-24 삼성전자주식회사 클러스터를 통한 오차 확산장치
US20080247649A1 (en) * 2005-07-07 2008-10-09 Chun Hing Cheng Methods For Silhouette Extraction
CN112861453B (zh) * 2021-02-08 2023-05-12 宁波大学 近似算术逻辑电路的最大绝对输出误差的计算方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532503A (en) * 1982-11-08 1985-07-30 International Business Machines Corporation Sequence controlled pixel configuration
US5353127A (en) 1993-12-15 1994-10-04 Xerox Corporation Method for quantization gray level pixel data with extended distribution set
US5608821A (en) * 1994-08-03 1997-03-04 Xerox Corporation Method of high addressability error diffusion
US5528384A (en) * 1994-08-03 1996-06-18 Xerox Corporation System and method for implementing fast high addressability error diffusion process

Also Published As

Publication number Publication date
EP0903933A2 (de) 1999-03-24
EP0903933A3 (de) 2000-04-05
DE69836182T2 (de) 2007-09-06
EP0903933B1 (de) 2006-10-18
US6061143A (en) 2000-05-09
JPH11168628A (ja) 1999-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition