CN101729740B - 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
CN101729740B
CN101729740B CN2009101784975A CN200910178497A CN101729740B CN 101729740 B CN101729740 B CN 101729740B CN 2009101784975 A CN2009101784975 A CN 2009101784975A CN 200910178497 A CN200910178497 A CN 200910178497A CN 101729740 B CN101729740 B CN 101729740B
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China
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hue
levels
pixel
input picture
output
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Chinese (zh)
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CN101729740A (zh
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高山裕司
石川尚
佐伯友之
荒木刚
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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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • 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
    • H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
CN2009101784975A 2008-10-24 2009-10-21 图像处理装置及图像处理方法 Active CN101729740B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008274866A JP5254740B2 (ja) 2008-10-24 2008-10-24 画像処理装置および画像処理方法
JP2008-274866 2008-10-24

Publications (2)

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CN101729740A CN101729740A (zh) 2010-06-09
CN101729740B true CN101729740B (zh) 2012-06-13

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CN2009101784975A Active CN101729740B (zh) 2008-10-24 2009-10-21 图像处理装置及图像处理方法

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US (1) US20100103464A1 (enExample)
EP (1) EP2180687A1 (enExample)
JP (1) JP5254740B2 (enExample)
KR (1) KR20100045917A (enExample)
CN (1) CN101729740B (enExample)

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JP2010161503A (ja) * 2009-01-06 2010-07-22 Canon Inc 画像形成装置及び画像形成方法
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
KR101806407B1 (ko) 2010-12-24 2017-12-08 삼성디스플레이 주식회사 감마전압 제어기, 계조 전압 생성기 및 이를 포함하는 표시 장치
CN102567971B (zh) * 2012-01-04 2013-12-18 上海理工大学 一种多级误差扩散半色调的修正方法
JP7190661B2 (ja) * 2019-02-06 2022-12-16 パナソニックＩｐマネジメント株式会社 画像処理装置、画像処理方法および画像処理システム
TWI786497B (zh) * 2020-12-22 2022-12-11 宏正自動科技股份有限公司 影像輸出裝置、影像接收裝置及影像傳輸方法

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EP1343305A1 (en) * 2002-03-06 2003-09-10 Ricoh Company Imaging apparatus and imaging method
CN101121340A (zh) * 2006-08-08 2008-02-13 精工爱普生株式会社 用于进行双向印刷的图像处理装置以及印刷装置

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Publication number Publication date
EP2180687A1 (en) 2010-04-28
JP2010103861A (ja) 2010-05-06
US20100103464A1 (en) 2010-04-29
CN101729740A (zh) 2010-06-09
KR20100045917A (ko) 2010-05-04
JP5254740B2 (ja) 2013-08-07

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