JP3728128B2 - 中間調処理方法及び中間調処理装置 - Google Patents

中間調処理方法及び中間調処理装置 Download PDF

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Publication number
JP3728128B2
JP3728128B2 JP02432999A JP2432999A JP3728128B2 JP 3728128 B2 JP3728128 B2 JP 3728128B2 JP 02432999 A JP02432999 A JP 02432999A JP 2432999 A JP2432999 A JP 2432999A JP 3728128 B2 JP3728128 B2 JP 3728128B2
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Prior art keywords
error
value
pixel
distribution ratio
halftone processing
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English (en)
Japanese (ja)
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JPH11275359A (ja
Inventor
顕季 山田
弘光 平林
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Canon Inc
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Canon Inc
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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
JP02432999A 1998-02-05 1999-02-01 中間調処理方法及び中間調処理装置 Expired - Fee Related JP3728128B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/019310 1998-02-05
US09/019,310 US6172768B1 (en) 1998-02-05 1998-02-05 Halftoning with changeable error diffusion weights

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005077617A Division JP3997235B2 (ja) 1998-02-05 2005-03-17 中間調処理装置及び中間調処理方法

Publications (2)

Publication Number Publication Date
JPH11275359A JPH11275359A (ja) 1999-10-08
JP3728128B2 true JP3728128B2 (ja) 2005-12-21

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JP02432999A Expired - Fee Related JP3728128B2 (ja) 1998-02-05 1999-02-01 中間調処理方法及び中間調処理装置
JP2005077617A Expired - Fee Related JP3997235B2 (ja) 1998-02-05 2005-03-17 中間調処理装置及び中間調処理方法

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JP2005077617A Expired - Fee Related JP3997235B2 (ja) 1998-02-05 2005-03-17 中間調処理装置及び中間調処理方法

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US (1) US6172768B1 (enExample)
JP (2) JP3728128B2 (enExample)

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US6501564B1 (en) * 1999-05-07 2002-12-31 Hewlett-Packard Company Tone dependent plane dependent error diffusion halftoning
US6563957B1 (en) * 1999-05-07 2003-05-13 Hewlett-Packard Company Tone dependent error diffusion
FR2798494B1 (fr) * 1999-09-14 2002-03-29 St Microelectronics Sa Distribution d'erreur pour l'approximation de la couleur des pixels d'une image numerique
US6753978B1 (en) * 1999-09-22 2004-06-22 Sharp Laboratories Of America, Inc. Higher order error diffusion of digital halftoning
US7081972B2 (en) * 2000-09-20 2006-07-25 Canon Kabushiki Kaisha Image processing apparatus and image processing method
JP2002209105A (ja) * 2001-01-09 2002-07-26 Minolta Co Ltd 画像処理装置および方法ならびに画像処理プログラムを記録した記録媒体
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US6999202B2 (en) 2001-03-27 2006-02-14 Polaroid Corporation Method for generating a halftone of a source image
US6937365B2 (en) 2001-05-30 2005-08-30 Polaroid Corporation Rendering images utilizing adaptive error diffusion
US6842186B2 (en) * 2001-05-30 2005-01-11 Polaroid Corporation High speed photo-printing apparatus
KR100706673B1 (ko) * 2001-05-30 2007-04-13 센신 캐피탈, 엘엘씨 고속 사진인쇄장치
JP2003003979A (ja) * 2001-06-25 2003-01-08 Toshiba Kyaria Kk 流体機械
US7266150B2 (en) 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
US8111754B1 (en) 2001-07-11 2012-02-07 Dolby Laboratories Licensing Corporation Interpolation of video compression frames
US6816552B2 (en) * 2001-07-11 2004-11-09 Dolby Laboratories Licensing Corporation Interpolation of video compression frames
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
JP4797308B2 (ja) * 2001-09-27 2011-10-19 ブラザー工業株式会社 画像処理装置及び画像処理プログラム
US6906736B2 (en) * 2002-02-19 2005-06-14 Polaroid Corporation Technique for printing a color image
JP3864902B2 (ja) * 2002-12-13 2007-01-10 セイコーエプソン株式会社 画像データの階調数を変換する画像処理装置、および画像処理方法
US7283666B2 (en) 2003-02-27 2007-10-16 Saquib Suhail S Digital image exposure correction
US7319549B2 (en) 2003-03-27 2008-01-15 Lexmark International, Inc. Multiple weight error diffusion
US7298894B2 (en) * 2003-06-18 2007-11-20 Primax Electronics Ltd. Color image conversion method and system for reducing color image data size
US8773685B2 (en) 2003-07-01 2014-07-08 Intellectual Ventures I Llc High-speed digital image printing system
US7701614B2 (en) * 2004-03-31 2010-04-20 Fujifilm Corporation Image processing method, apparatus, and program with selective error diffusion among a pluraity of pixel groups withing a digital image
US7826096B2 (en) * 2005-09-16 2010-11-02 Fujifilm Corporation Image processing method and image recording apparatus
KR100834680B1 (ko) * 2006-09-18 2008-06-02 삼성전자주식회사 이동통신 단말기에서 출력되는 동영상 및 이미지의 화질을개선하기 위한 장치 및 방법
WO2010017166A2 (en) 2008-08-04 2010-02-11 Dolby Laboratories Licensing Corporation Overlapped block disparity estimation and compensation architecture
GB0823701D0 (en) 2008-12-31 2009-02-04 Symbian Software Ltd Fast data entry
CN105635523B (zh) * 2015-12-30 2018-08-10 珠海赛纳打印科技股份有限公司 图像处理方法、图像处理装置及图像形成设备
EP3520028B1 (en) * 2016-09-27 2022-03-30 Hewlett-Packard Development Company, L.P. Error diffusion
CN107621929B (zh) * 2017-09-12 2023-07-14 珠海智汇网络设备有限公司 一种灰度热敏打印方法、热敏打印机和可读存储介质

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Publication number Priority date Publication date Assignee Title
US5617123A (en) 1987-05-20 1997-04-01 Canon Kabushiki Kaisha Image processing method utilizing multiple binarizing and recording agent depositing steps
JP2859296B2 (ja) 1989-06-01 1999-02-17 キヤノン株式会社 画像再生方法及びその装置
US5045952A (en) * 1989-08-21 1991-09-03 Xerox Corporation Method for edge enhanced error diffusion
JPH0531920A (ja) 1991-08-01 1993-02-09 Canon Inc インクジエツト記録装置
US5633663A (en) 1992-03-31 1997-05-27 Canon Kabushiki Kaisha Ink jet recording method and apparatus
JP3176130B2 (ja) 1992-07-06 2001-06-11 キヤノン株式会社 インクジェット記録方法
JPH06340094A (ja) 1993-05-31 1994-12-13 Canon Inc インクジェット記録装置およびインクジェット記録方法
US5911009A (en) * 1996-01-25 1999-06-08 Dainippon Screen Mfg. Co., Ltd. Method and apparatus for binary coding of image data including adding error accumulated for a target pixel and a pixel in the vicinity to be later coded
US5737453A (en) * 1996-05-17 1998-04-07 Canon Information Systems, Inc. Enhanced error-diffusion method for color or black-and-white reproduction

Also Published As

Publication number Publication date
JP2005253094A (ja) 2005-09-15
US6172768B1 (en) 2001-01-09
JP3997235B2 (ja) 2007-10-24
JPH11275359A (ja) 1999-10-08

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