CN101562683B - 图像处理装置及图像处理方法 - Google Patents

图像处理装置及图像处理方法 Download PDF

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Publication number
CN101562683B
CN101562683B CN2009101352026A CN200910135202A CN101562683B CN 101562683 B CN101562683 B CN 101562683B CN 2009101352026 A CN2009101352026 A CN 2009101352026A CN 200910135202 A CN200910135202 A CN 200910135202A CN 101562683 B CN101562683 B CN 101562683B
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China
Prior art keywords
error
concerned pixel
pixel
threshold value
image processing
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Expired - Fee Related
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CN2009101352026A
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English (en)
Chinese (zh)
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CN101562683A (zh
Inventor
森部将英
落合孝
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Canon Inc
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Canon Inc
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Publication of CN101562683A publication Critical patent/CN101562683A/zh
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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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
CN2009101352026A 2008-04-18 2009-04-16 图像处理装置及图像处理方法 Expired - Fee Related CN101562683B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008109546A JP5028324B2 (ja) 2008-04-18 2008-04-18 画像処理装置およびその方法
JP2008-109546 2008-04-18
JP2008109546 2008-04-18

Publications (2)

Publication Number Publication Date
CN101562683A CN101562683A (zh) 2009-10-21
CN101562683B true CN101562683B (zh) 2011-09-07

Family

ID=40849164

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CN2009101352026A Expired - Fee Related CN101562683B (zh) 2008-04-18 2009-04-16 图像处理装置及图像处理方法

Country Status (4)

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US (1) US8351083B2 (https=)
EP (1) EP2111032B1 (https=)
JP (1) JP5028324B2 (https=)
CN (1) CN101562683B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5675253B2 (ja) * 2009-12-28 2015-02-25 キヤノン株式会社 画像処理装置、画像処理方法及びコンピュータプログラム
JP5508031B2 (ja) * 2010-01-06 2014-05-28 キヤノン株式会社 画像処理装置および画像処理方法
JP5573451B2 (ja) * 2010-07-21 2014-08-20 コニカミノルタ株式会社 画像処理装置及び画像処理方法
JP5299466B2 (ja) * 2011-04-07 2013-09-25 コニカミノルタ株式会社 画像処理装置、画像処理方法及びプログラム
JP5915410B2 (ja) * 2012-06-28 2016-05-11 富士ゼロックス株式会社 画像処理装置及びプログラム
EP3005235A1 (en) * 2013-05-24 2016-04-13 Life Technologies Corporation Methods and systems for detection of a consumable in a system
WO2015055235A1 (en) * 2013-10-15 2015-04-23 Hewlett-Packard Development Company, L.P. Image processing using content-based weighted dithering

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0545734A2 (en) * 1991-12-06 1993-06-09 Xerox Corporation Halftoning with error feedback and image dependent enhancement
US5870503A (en) * 1994-10-20 1999-02-09 Minolta Co., Ltd. Image processing apparatus using error diffusion technique
US6195468B1 (en) * 1997-06-09 2001-02-27 Brother Kogyo Kabushiki Kaisha Error-distributing image conversion method
US6333793B1 (en) * 1997-12-08 2001-12-25 Ricoh Company, Ltd. Image quality in error diffusion scheme
US6356361B1 (en) * 1997-10-30 2002-03-12 Minolta Co., Ltd. Image processing apparatus and method for processing gradation image data using error diffusion
US6753978B1 (en) * 1999-09-22 2004-06-22 Sharp Laboratories Of America, Inc. Higher order error diffusion of digital halftoning
CN1906923A (zh) * 2004-10-29 2007-01-31 株式会社理光 图像处理装置、成像装置和程序

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014333A (en) * 1988-07-21 1991-05-07 Eastman Kodak Company Image processor with smooth transitioning between dither and diffusion processes
JP3360391B2 (ja) * 1993-06-24 2002-12-24 セイコーエプソン株式会社 画像処理装置および画像処理方法
JP3685148B2 (ja) * 1993-06-24 2005-08-17 セイコーエプソン株式会社 画像処理装置及び方法
JPH09102869A (ja) 1995-10-06 1997-04-15 Tec Corp 画像処理装置
JP2000196875A (ja) * 1998-12-28 2000-07-14 Ricoh Co Ltd 画像処理装置
JP3625160B2 (ja) * 1999-10-14 2005-03-02 シャープ株式会社 画像処理装置
US6707576B1 (en) 1999-12-02 2004-03-16 Sharp Laboratories Of America, Inc. Noise modulation error diffusion of digital halftoning
JP3723046B2 (ja) * 2000-05-16 2005-12-07 シャープ株式会社 画像処理装置
US7417771B2 (en) 2001-06-26 2008-08-26 Sharp Laboratories Of America, Inc. Error diffusion halftoning system
JP2003069819A (ja) * 2001-08-29 2003-03-07 Canon Inc 画像処理装置及び画像処理方法
JP2003110851A (ja) * 2001-09-26 2003-04-11 Canon Inc 画像処理装置及び方法
JP2004048194A (ja) * 2002-07-09 2004-02-12 Canon Inc 画像処理装置及び方法
JP4459837B2 (ja) * 2005-02-18 2010-04-28 株式会社リコー 画像処理装置、画像処理方法、その方法をコンピュータに実行させるプログラム、および記録媒体

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0545734A2 (en) * 1991-12-06 1993-06-09 Xerox Corporation Halftoning with error feedback and image dependent enhancement
US5870503A (en) * 1994-10-20 1999-02-09 Minolta Co., Ltd. Image processing apparatus using error diffusion technique
US6195468B1 (en) * 1997-06-09 2001-02-27 Brother Kogyo Kabushiki Kaisha Error-distributing image conversion method
US6356361B1 (en) * 1997-10-30 2002-03-12 Minolta Co., Ltd. Image processing apparatus and method for processing gradation image data using error diffusion
US6333793B1 (en) * 1997-12-08 2001-12-25 Ricoh Company, Ltd. Image quality in error diffusion scheme
US6753978B1 (en) * 1999-09-22 2004-06-22 Sharp Laboratories Of America, Inc. Higher order error diffusion of digital halftoning
CN1906923A (zh) * 2004-10-29 2007-01-31 株式会社理光 图像处理装置、成像装置和程序

Also Published As

Publication number Publication date
EP2111032A2 (en) 2009-10-21
JP2009260844A (ja) 2009-11-05
CN101562683A (zh) 2009-10-21
US20090262372A1 (en) 2009-10-22
EP2111032A3 (en) 2012-12-19
JP5028324B2 (ja) 2012-09-19
US8351083B2 (en) 2013-01-08
EP2111032B1 (en) 2014-05-21

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