DE69522277D1 - Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern - Google Patents

Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern

Info

Publication number
DE69522277D1
DE69522277D1 DE69522277T DE69522277T DE69522277D1 DE 69522277 D1 DE69522277 D1 DE 69522277D1 DE 69522277 T DE69522277 T DE 69522277T DE 69522277 T DE69522277 T DE 69522277T DE 69522277 D1 DE69522277 D1 DE 69522277D1
Authority
DE
Germany
Prior art keywords
error diffusion
reducing interference
halftoned
images
images halftoned
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
DE69522277T
Other languages
English (en)
Other versions
DE69522277T2 (de
Inventor
Joseph S Shu
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69522277D1 publication Critical patent/DE69522277D1/de
Application granted granted Critical
Publication of DE69522277T2 publication Critical patent/DE69522277T2/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
DE69522277T 1994-07-01 1995-06-30 Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern Expired - Lifetime DE69522277T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/269,708 US5692109A (en) 1994-07-01 1994-07-01 Method and apparatus for minimizing artifacts in images produced by error diffusion halftoning

Publications (2)

Publication Number Publication Date
DE69522277D1 true DE69522277D1 (de) 2001-09-27
DE69522277T2 DE69522277T2 (de) 2002-05-08

Family

ID=23028364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522277T Expired - Lifetime DE69522277T2 (de) 1994-07-01 1995-06-30 Verfahren und Gerät zur Verringerung von Störungen in durch Fehlerdiffusion halbtongerasterten Bildern

Country Status (4)

Country Link
US (1) US5692109A (de)
EP (1) EP0690612B1 (de)
JP (1) JP3304029B2 (de)
DE (1) DE69522277T2 (de)

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AUPN741396A0 (en) * 1996-01-05 1996-01-25 Canon Aptex Inc Geometrically reducing mask error diffusion
US6496603B1 (en) 1999-02-08 2002-12-17 Sharp Laboratories Of America, Incorporated Enhanced error diffusion by using directional guided line thresholding
US6552823B1 (en) 1999-06-01 2003-04-22 Sharp Laboratories Of America, Inc. Enhanced error diffusion by using peak position profiles
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
US6614556B1 (en) * 1999-11-22 2003-09-02 Sindoricoh Co., Ltd. Apparatus for quantizing a digital image by using an error diffusion coefficient and threshold modulation in zigzag quantization
US6608700B1 (en) 1999-11-24 2003-08-19 Xerox Corporation Removal of error diffusion artifacts with alternating distribution weights
US6707576B1 (en) 1999-12-02 2004-03-16 Sharp Laboratories Of America, Inc. Noise modulation error diffusion of digital halftoning
US6763121B1 (en) * 2000-06-14 2004-07-13 Hewlett-Packard Development Company, L.P. Halftone watermarking method and system
US7660429B2 (en) * 2000-06-14 2010-02-09 Hewlett-Packard Development Company, L.P. Error diffusion halftone watermarking
US7417771B2 (en) * 2001-06-26 2008-08-26 Sharp Laboratories Of America, Inc. Error diffusion halftoning system
US7061645B2 (en) * 2001-09-27 2006-06-13 Sharp Laboratories Of America, Inc. Non-segmentation, individual pixel-by-pixel-based image rendering system
JP3620499B2 (ja) 2001-12-12 2005-02-16 セイコーエプソン株式会社 多値画像変換装置及び多値画像変換プログラム、並びに多値画像変換方法
US7480071B2 (en) * 2003-04-14 2009-01-20 Lexmark International, Inc Maximizing performance in a hardware image scaling module
US7551323B2 (en) * 2003-04-16 2009-06-23 Lexmark International, Inc. Systems and methods for error diffusion
JP3979372B2 (ja) * 2003-09-26 2007-09-19 ブラザー工業株式会社 画像処理装置、画像処理方法及び画像処理プログラム
US7559660B2 (en) 2004-11-24 2009-07-14 Pitney Bowes Inc. Restricted access display system
US7486834B2 (en) * 2005-01-18 2009-02-03 Lexmark International, Inc. System and method for dynamically shifting error diffusion data
JP2007129695A (ja) * 2005-10-03 2007-05-24 Seiko Epson Corp 印刷装置、印刷プログラム、印刷方法、および画像処理装置、画像処理プログラム、画像処理方法、並びに前記プログラムを記録した記録媒体、表示装置
CN100393098C (zh) * 2006-08-22 2008-06-04 北京大学 误差扩散图像挂网技术中的图像扫描处理方法及系统
US8274705B2 (en) * 2009-03-27 2012-09-25 Sharp Laboratories Of America, Inc. Multi-level surround error diffusion
US8320694B2 (en) * 2009-03-27 2012-11-27 Sharp Laboratories Of America, Inc. Surround error diffusion
WO2020054279A1 (ja) * 2018-09-11 2020-03-19 ソニー株式会社 描画方法および感熱性記録媒体ならびに描画装置

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US4533928A (en) * 1982-04-30 1985-08-06 Canon Kabushiki Kaisha Color image processing apparatus
US4654721A (en) * 1985-04-12 1987-03-31 International Business Machines Corporation System for reproducing multi-level digital images on a bi-level printer of fixed dot size
ATE75571T1 (de) * 1987-03-17 1992-05-15 Digital Equipment Corp System zur erzeugung von zitterbildern aus tonkontinuierlichen bilddaten.
US4955065A (en) * 1987-03-17 1990-09-04 Digital Equipment Corporation System for producing dithered images from continuous-tone image data
JPH01198870A (ja) * 1987-10-08 1989-08-10 Ricoh Co Ltd デジタルカラー画像処理装置
US5107346A (en) * 1988-10-14 1992-04-21 Bowers Imaging Technologies, Inc. Process for providing digital halftone images with random error diffusion
JPH03151762A (ja) * 1989-11-09 1991-06-27 Canon Inc 画像処理装置
JPH0437256A (ja) * 1990-05-31 1992-02-07 Sharp Corp 画像処理装置
JPH0451773A (ja) * 1990-06-20 1992-02-20 Matsushita Graphic Commun Syst Inc 画像処理装置
JPH04119763A (ja) * 1990-09-11 1992-04-21 Toshiba Corp 画像処理装置
US5140432A (en) * 1990-09-12 1992-08-18 Hewlett-Packard Company Method and system for printing in one or more color planes with improved control of error diffusion
JP3031994B2 (ja) * 1990-11-16 2000-04-10 株式会社東芝 画像処理装置
JP2871127B2 (ja) * 1991-01-30 1999-03-17 三菱電機株式会社 画像処理装置及び方法
EP0548571A1 (de) * 1991-11-25 1993-06-30 Eastman Kodak Company System und Verfahren für bidirektionale adaptive Schwellenwertanwendung
US5268774A (en) * 1991-11-27 1993-12-07 Xerox Corporation Halftoning with enhanced dynamic range and edge enhanced error diffusion
US5258854A (en) * 1991-12-06 1993-11-02 Xerox Corporation Converting between write-white, write-black and neutral bitmaps
JPH05268462A (ja) * 1992-03-19 1993-10-15 Mitsubishi Electric Corp 画像処理装置
US5243444A (en) * 1992-03-25 1993-09-07 Xerox Corporation Image processing system and method with improved reconstruction of continuous tone images from halftone images including those without a screen structure
US5363213A (en) * 1992-06-08 1994-11-08 Xerox Corporation Unquantized resolution conversion of bitmap images using error diffusion
US5337160A (en) * 1992-07-01 1994-08-09 Hewlett-Packard Error diffusion processor and method for converting a grey scale pixel image to a binary value pixel image
US5343309A (en) * 1992-08-12 1994-08-30 Xerox Corporation Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure
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
DE69522277T2 (de) 2002-05-08
EP0690612B1 (de) 2001-08-22
US5692109A (en) 1997-11-25
EP0690612A2 (de) 1996-01-03
JPH0884253A (ja) 1996-03-26
JP3304029B2 (ja) 2002-07-22
EP0690612A3 (de) 1997-06-18

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Legal Events

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8364 No opposition during term of opposition