JP4604940B2 - 双方向印刷を行うための画像処理装置および印刷装置 - Google Patents

双方向印刷を行うための画像処理装置および印刷装置 Download PDF

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Publication number
JP4604940B2
JP4604940B2 JP2005279163A JP2005279163A JP4604940B2 JP 4604940 B2 JP4604940 B2 JP 4604940B2 JP 2005279163 A JP2005279163 A JP 2005279163A JP 2005279163 A JP2005279163 A JP 2005279163A JP 4604940 B2 JP4604940 B2 JP 4604940B2
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Japan
Prior art keywords
dither matrix
value
dot
image
threshold
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Expired - Fee Related
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JP2005279163A
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English (en)
Japanese (ja)
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JP2007053714A (ja
JP2007053714A5 (https=
Inventor
繁明 角谷
郷志 山▲崎▼
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
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Seiko Epson Corp
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Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2005279163A priority Critical patent/JP4604940B2/ja
Priority to US11/450,326 priority patent/US7751088B2/en
Publication of JP2007053714A publication Critical patent/JP2007053714A/ja
Publication of JP2007053714A5 publication Critical patent/JP2007053714A5/ja
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Publication of JP4604940B2 publication Critical patent/JP4604940B2/ja
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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
    • 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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • H04N1/4015—Compensating positionally unequal response of the pick-up or reproducing head of the reproducing head

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
JP2005279163A 2005-06-10 2005-09-27 双方向印刷を行うための画像処理装置および印刷装置 Expired - Fee Related JP4604940B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005279163A JP4604940B2 (ja) 2005-06-10 2005-09-27 双方向印刷を行うための画像処理装置および印刷装置
US11/450,326 US7751088B2 (en) 2005-06-10 2006-06-09 High-image-quality halftone process

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005171274 2005-06-10
JP2005208776 2005-07-19
JP2005279163A JP4604940B2 (ja) 2005-06-10 2005-09-27 双方向印刷を行うための画像処理装置および印刷装置

Publications (3)

Publication Number Publication Date
JP2007053714A JP2007053714A (ja) 2007-03-01
JP2007053714A5 JP2007053714A5 (https=) 2008-10-30
JP4604940B2 true JP4604940B2 (ja) 2011-01-05

Family

ID=37523839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005279163A Expired - Fee Related JP4604940B2 (ja) 2005-06-10 2005-09-27 双方向印刷を行うための画像処理装置および印刷装置

Country Status (2)

Country Link
US (1) US7751088B2 (https=)
JP (1) JP4604940B2 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5211481B2 (ja) 2006-06-27 2013-06-12 セイコーエプソン株式会社 ディザマトリックスの生成
JP4660439B2 (ja) * 2006-08-08 2011-03-30 セイコーエプソン株式会社 印刷装置および印刷方法
JP4758946B2 (ja) 2007-05-24 2011-08-31 大日本スクリーン製造株式会社 閾値マトリクス生成方法、画像データ生成方法、画像データ生成装置、画像記録装置および閾値マトリクス
JP2009018481A (ja) * 2007-07-11 2009-01-29 Seiko Epson Corp プリンタ
JP2009018480A (ja) * 2007-07-11 2009-01-29 Seiko Epson Corp ラインプリンタ
JP5298471B2 (ja) * 2007-07-11 2013-09-25 セイコーエプソン株式会社 ラインプリンタ、ディザマスク作成方法、ハーフトーン処理プログラム、記録媒体及びディザマスク
JP5434058B2 (ja) 2008-12-04 2014-03-05 セイコーエプソン株式会社 印刷装置及びディザマスク
US8928937B2 (en) 2010-12-22 2015-01-06 Xerox Corporation Method and system for assigning color values to primary colors and secondary colors for color rendering in an inkjet printer
JP6312397B2 (ja) * 2013-10-01 2018-04-18 キヤノン株式会社 ディザパタン作成方法
WO2015062651A1 (en) * 2013-10-30 2015-05-07 Hewlett-Packard Development Company L.P. Quasicrystal halftoning
US10560604B2 (en) 2015-09-29 2020-02-11 Hp Indigo B.V. Halftone screens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3444937B2 (ja) 1993-09-20 2003-09-08 キヤノン株式会社 インクジェットプリント方法及びインクジェット記録装置
EP0650289A1 (en) 1993-10-04 1995-04-26 Eastman Kodak Company Method and apparatus for generating a halftone pattern for a multi-level output device
US5673121A (en) * 1996-06-17 1997-09-30 Xerox Corporation Stochastic halftoning screening method
JP3554184B2 (ja) 1997-04-04 2004-08-18 キヤノン株式会社 プリント装置およびプリント位置合わせ方法
JP2001298617A (ja) * 2000-04-13 2001-10-26 Canon Inc 閾値マトリクス、及びそれを利用した階調再現方法とその装置
US6501567B2 (en) * 2000-12-15 2002-12-31 Xerox Corporation Method and system for designing spatially-partitioned and correlated stochastic screens for color halftoning
US6731409B2 (en) * 2001-01-31 2004-05-04 Xerox Corporation System and method for generating color digital watermarks using conjugate halftone screens
US7706604B2 (en) * 2003-11-03 2010-04-27 Seiko Epson Corporation Production of color conversion profile for printing
US8345311B2 (en) * 2004-05-13 2013-01-01 Hewlett-Packard Development Company, L.P. Reduction of harmonic artifacts in halftone screens
US7505177B2 (en) * 2004-11-29 2009-03-17 Heidelberger Druckmaschinen Ag Method for generating a threshold value matrix for frequency modulated half-toning
JP4440142B2 (ja) * 2005-03-02 2010-03-24 Ｋｄｄｉ株式会社 割符画像生成方法、復号方法、割符画像生成装置および復号装置

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Publication number Publication date
US20060279789A1 (en) 2006-12-14
US7751088B2 (en) 2010-07-06
JP2007053714A (ja) 2007-03-01

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