JP4881274B2 - 画像処理装置およびその方法 - Google Patents

画像処理装置およびその方法 Download PDF

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Publication number
JP4881274B2
JP4881274B2 JP2007269531A JP2007269531A JP4881274B2 JP 4881274 B2 JP4881274 B2 JP 4881274B2 JP 2007269531 A JP2007269531 A JP 2007269531A JP 2007269531 A JP2007269531 A JP 2007269531A JP 4881274 B2 JP4881274 B2 JP 4881274B2
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JP
Japan
Prior art keywords
image
image data
halftone
density
voronoi
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
JP2007269531A
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English (en)
Japanese (ja)
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JP2009100231A (ja
JP2009100231A5 (enExample
Inventor
尚登 河村
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2007269531A priority Critical patent/JP4881274B2/ja
Priority to US12/247,050 priority patent/US20090097074A1/en
Publication of JP2009100231A publication Critical patent/JP2009100231A/ja
Publication of JP2009100231A5 publication Critical patent/JP2009100231A5/ja
Application granted granted Critical
Publication of JP4881274B2 publication Critical patent/JP4881274B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N1/4055—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2007269531A 2007-10-16 2007-10-16 画像処理装置およびその方法 Expired - Fee Related JP4881274B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007269531A JP4881274B2 (ja) 2007-10-16 2007-10-16 画像処理装置およびその方法
US12/247,050 US20090097074A1 (en) 2007-10-16 2008-10-07 Image processing apparatus and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007269531A JP4881274B2 (ja) 2007-10-16 2007-10-16 画像処理装置およびその方法

Publications (3)

Publication Number Publication Date
JP2009100231A JP2009100231A (ja) 2009-05-07
JP2009100231A5 JP2009100231A5 (enExample) 2010-11-25
JP4881274B2 true JP4881274B2 (ja) 2012-02-22

Family

ID=40533905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007269531A Expired - Fee Related JP4881274B2 (ja) 2007-10-16 2007-10-16 画像処理装置およびその方法

Country Status (2)

Country Link
US (1) US20090097074A1 (enExample)
JP (1) JP4881274B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101716281B1 (ko) * 2011-04-29 2017-03-14 에스프린팅솔루션 주식회사 하프토닝 스크린 생성장치, 인쇄 제어 단말장치, 화상형성장치, 하프토닝 스크린 생성 방법, 인쇄 제어 방법, 화상형성방법 및 컴퓨터 판독가능 기록 매체
JP2012248997A (ja) * 2011-05-26 2012-12-13 Oki Data Corp スクリーン画像生成方法および画像形成装置
JP6613115B2 (ja) * 2015-11-19 2019-11-27 キヤノン株式会社 画像処理装置及び画像処理方法とプログラム
US9740368B1 (en) * 2016-08-10 2017-08-22 Quid, Inc. Positioning labels on graphical visualizations of graphs
JP2019121187A (ja) * 2018-01-05 2019-07-22 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170373B (en) * 1984-12-28 1989-03-15 Canon Kk Image processing apparatus
EP0607696B1 (en) * 1992-12-24 1999-08-04 Canon Kabushiki Kaisha Image processing apparatus
ES2139700T3 (es) * 1993-11-19 2000-02-16 Canon Kk Aparato para la impresion.
DE60045543D1 (de) * 1999-12-03 2011-03-03 Canon Kk Bilderzeugungssystem, Steuerverfahren dafür, Bilderzeugungsgerät, Datenverarbeitungsverfahren, und Speichermedium
JP2004320627A (ja) * 2003-04-18 2004-11-11 Seiko Epson Corp 対応関係定義データ作成用格子点決定システム、対応関係定義データ作成用格子点要求クライアント、対応関係定義データ作成用格子点決定サーバおよびその方法並びにプログラム
US7295346B2 (en) * 2003-06-23 2007-11-13 Xeorx Corporation Methods and apparatus for antialiasing using selective implementation of logical and averaging filter operations
JP2005136612A (ja) * 2003-10-29 2005-05-26 Dainippon Screen Mfg Co Ltd 網点形成方法、網点形成装置および網点記録媒体

Also Published As

Publication number Publication date
JP2009100231A (ja) 2009-05-07
US20090097074A1 (en) 2009-04-16

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