DE69517855D1 - Verfahren zur Erzeugung einer Schwellenmatrix - Google Patents

Verfahren zur Erzeugung einer Schwellenmatrix

Info

Publication number
DE69517855D1
DE69517855D1 DE69517855T DE69517855T DE69517855D1 DE 69517855 D1 DE69517855 D1 DE 69517855D1 DE 69517855 T DE69517855 T DE 69517855T DE 69517855 T DE69517855 T DE 69517855T DE 69517855 D1 DE69517855 D1 DE 69517855D1
Authority
DE
Germany
Prior art keywords
generating
threshold matrix
matrix
threshold
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
DE69517855T
Other languages
English (en)
Other versions
DE69517855T2 (de
Inventor
Stephen N Schiller
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.)
Adobe Inc
Original Assignee
Adobe Systems 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
Application filed by Adobe Systems Inc filed Critical Adobe Systems Inc
Application granted granted Critical
Publication of DE69517855D1 publication Critical patent/DE69517855D1/de
Publication of DE69517855T2 publication Critical patent/DE69517855T2/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
    • H04N1/405—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
DE69517855T 1994-04-29 1995-03-07 Verfahren zur Erzeugung einer Schwellenmatrix Expired - Fee Related DE69517855T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23649394A 1994-04-29 1994-04-29

Publications (2)

Publication Number Publication Date
DE69517855D1 true DE69517855D1 (de) 2000-08-17
DE69517855T2 DE69517855T2 (de) 2001-03-01

Family

ID=22889735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69517855T Expired - Fee Related DE69517855T2 (de) 1994-04-29 1995-03-07 Verfahren zur Erzeugung einer Schwellenmatrix

Country Status (5)

Country Link
US (1) US5737452A (de)
EP (1) EP0680196B1 (de)
JP (2) JPH0870384A (de)
CA (1) CA2146104A1 (de)
DE (1) DE69517855T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11154240A (ja) 1997-11-20 1999-06-08 Nintendo Co Ltd 取込み画像を用いて画像を作成するための画像作成装置
DE19802850A1 (de) * 1998-01-26 1999-07-29 Siemens Ag Bildrekonstruktionsverfahren für die 3D-Rekonstruktion
US6208431B1 (en) * 1998-03-31 2001-03-27 International Business Machines Corporation Method of eliminating artifacts in display devices
JPH11346311A (ja) * 1998-06-01 1999-12-14 Matsushita Electric Ind Co Ltd 階調再現方法
US6435969B1 (en) 1998-11-03 2002-08-20 Nintendo Co., Ltd. Portable game machine having image capture, manipulation and incorporation
US6753978B1 (en) 1999-09-22 2004-06-22 Sharp Laboratories Of America, Inc. Higher order error diffusion of digital halftoning
US6671068B1 (en) 1999-09-30 2003-12-30 Sharp Laboratories Of America, Inc. Adaptive error diffusion with improved edge and sharpness perception
US6512597B1 (en) * 1999-11-17 2003-01-28 Lexmark International, Inc. Method and apparatus for correcting unadjusted threshold arrays for halftoning by use of parameterized transfer functions that generate adjusted threshold arrays at run time
US6707576B1 (en) 1999-12-02 2004-03-16 Sharp Laboratories Of America, Inc. Noise modulation error diffusion of digital halftoning
US7277204B2 (en) * 2003-07-31 2007-10-02 Kodak Il Ltd. Stochastic halftone screening method
US20090034006A1 (en) * 2007-08-03 2009-02-05 Blondal Daniel J Stochastic halftone images based on screening parameters
KR101296681B1 (ko) * 2008-09-24 2013-08-16 삼성전자주식회사 영상 처리 방법 및 이를 이용한 화상형성장치
USD656504S1 (en) 2010-04-30 2012-03-27 American Teleconferencing Services, Ltd. Display screen portion with an animated image
US9560206B2 (en) 2010-04-30 2017-01-31 American Teleconferencing Services, Ltd. Real-time speech-to-text conversion in an audio conference session
USD656505S1 (en) 2010-04-30 2012-03-27 American Teleconferencing Services, Ltd. Display screen portion with animated image
US9189143B2 (en) 2010-04-30 2015-11-17 American Teleconferencing Services, Ltd. Sharing social networking content in a conference user interface
USD656507S1 (en) 2010-04-30 2012-03-27 American Teleconferencing Services, Ltd. Display screen portion with an animated image
US10268360B2 (en) 2010-04-30 2019-04-23 American Teleconferencing Service, Ltd. Participant profiling in a conferencing system
US9106794B2 (en) 2010-04-30 2015-08-11 American Teleconferencing Services, Ltd Record and playback in a conference
USD656506S1 (en) 2010-04-30 2012-03-27 American Teleconferencing Services, Ltd. Display screen portion with an animated image
US8626847B2 (en) 2010-04-30 2014-01-07 American Teleconferencing Services, Ltd. Transferring a conference session between client devices
US9419810B2 (en) 2010-04-30 2016-08-16 American Teleconference Services, Ltd. Location aware conferencing with graphical representations that enable licensing and advertising
US9082106B2 (en) 2010-04-30 2015-07-14 American Teleconferencing Services, Ltd. Conferencing system with graphical interface for participant survey
USD642587S1 (en) 2010-04-30 2011-08-02 American Teleconferencing Services, Ltd. Animated graphical user interface for a portion of a display screen
USD656941S1 (en) 2010-04-30 2012-04-03 American Teleconferencing Services, Ltd. Display screen portion with an animated image
USD656942S1 (en) 2010-04-30 2012-04-03 American Teleconferencing Services, Ltd. Display screen portion with an animated image
USD642586S1 (en) 2010-04-30 2011-08-02 American Teleconferencing Services, Ltd. Portion of a display screen with a user interface
US10372315B2 (en) 2010-04-30 2019-08-06 American Teleconferencing Services, Ltd Location-aware conferencing with calendar functions
US10594958B2 (en) * 2017-10-20 2020-03-17 GM Global Technology Operations LLC Camera imager binning technique
NO344712B1 (en) * 2018-08-08 2020-03-16 Missing Ink As Halftoning method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150429A (en) * 1987-12-17 1992-09-22 Eastman Kodak Company Image processor with error diffusion modulated threshold matrix
US5309526A (en) * 1989-05-04 1994-05-03 At&T Bell Laboratories Image processing system
US5020119A (en) * 1989-06-26 1991-05-28 Eastman Kodak Company System for producing serrated, alternating pixel pattern on character boundaries
US5027078A (en) * 1989-10-10 1991-06-25 Xerox Corporation Unscreening of stored digital halftone images by logic filtering
US5210602A (en) * 1991-02-25 1993-05-11 International Business Machines Corporation Coupled-color error diffusion
US5150428A (en) * 1991-04-01 1992-09-22 Eastman Kodak Company Method for generating halftone image data with randomly selected threshold array
US5255085A (en) * 1991-10-25 1993-10-19 Eastman Kodak Company Adaptive technique for providing accurate tone reproduction control in an imaging system
US5313287A (en) * 1993-04-30 1994-05-17 Hewlett-Packard Company Imposed weight matrix error diffusion halftoning of image data

Also Published As

Publication number Publication date
DE69517855T2 (de) 2001-03-01
EP0680196B1 (de) 2000-07-12
JPH0870384A (ja) 1996-03-12
US5737452A (en) 1998-04-07
EP0680196A2 (de) 1995-11-02
JP2005333657A (ja) 2005-12-02
CA2146104A1 (en) 1995-10-30
EP0680196A3 (de) 1996-12-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee