JP2009255410A - 網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版 - Google Patents

網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版 Download PDF

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Publication number
JP2009255410A
JP2009255410A JP2008107584A JP2008107584A JP2009255410A JP 2009255410 A JP2009255410 A JP 2009255410A JP 2008107584 A JP2008107584 A JP 2008107584A JP 2008107584 A JP2008107584 A JP 2008107584A JP 2009255410 A JP2009255410 A JP 2009255410A
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JP
Japan
Prior art keywords
cluster
halftone
minimum
image
pixels
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.)
Pending
Application number
JP2008107584A
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English (en)
Japanese (ja)
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JP2009255410A5 (enExample
Inventor
Hiroshi Asai
浩 浅井
Yuji Kurokawa
祐二 黒川
Masaru Wakui
勝 涌井
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Priority to JP2008107584A priority Critical patent/JP2009255410A/ja
Priority to US12/398,490 priority patent/US8111428B2/en
Priority to AT09003401T priority patent/ATE490646T1/de
Priority to DE602009000399T priority patent/DE602009000399D1/de
Priority to EP09003401A priority patent/EP2111033B1/en
Publication of JP2009255410A publication Critical patent/JP2009255410A/ja
Publication of JP2009255410A5 publication Critical patent/JP2009255410A5/ja
Pending legal-status Critical Current

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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
    • H04N1/4055—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
    • H04N1/4057—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 being a mixture of differently sized sub-patterns, e.g. spots having only a few different diameters

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP2008107584A 2008-04-17 2008-04-17 網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版 Pending JP2009255410A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008107584A JP2009255410A (ja) 2008-04-17 2008-04-17 網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版
US12/398,490 US8111428B2 (en) 2008-04-17 2009-03-05 Halftone image generation method, threshold matrix generation method, threshold matrix, printing plate manufacturing method, and printing plate
AT09003401T ATE490646T1 (de) 2008-04-17 2009-03-09 Halbtonbilderstellungsverfahren, schwellwertmatrixerstellungsverfahren, schwellwertmatrix, druckplattenherstellungsverfahren und druckplatte
DE602009000399T DE602009000399D1 (de) 2008-04-17 2009-03-09 Halbtonbilderstellungsverfahren, Schwellwertmatrixerstellungsverfahren, Schwellwertmatrix, Druckplattenherstellungsverfahren und Druckplatte
EP09003401A EP2111033B1 (en) 2008-04-17 2009-03-09 Halftone image generation method, threshold matrix generation method, threshold matrix, printing plate manufacturing method, and printing plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008107584A JP2009255410A (ja) 2008-04-17 2008-04-17 網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版

Publications (2)

Publication Number Publication Date
JP2009255410A true JP2009255410A (ja) 2009-11-05
JP2009255410A5 JP2009255410A5 (enExample) 2011-04-07

Family

ID=40765505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008107584A Pending JP2009255410A (ja) 2008-04-17 2008-04-17 網点画像生成方法、閾値マトリクス生成方法、閾値マトリクス、刷版製造方法および刷版

Country Status (5)

Country Link
US (1) US8111428B2 (enExample)
EP (1) EP2111033B1 (enExample)
JP (1) JP2009255410A (enExample)
AT (1) ATE490646T1 (enExample)
DE (1) DE602009000399D1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224878A (ja) * 2010-04-20 2011-11-10 Fujifilm Corp 印刷用凸版
CN112534801A (zh) * 2018-08-10 2021-03-19 爱克发有限公司 具有成簇微网点的数字半色调处理

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2718382A4 (en) * 2011-06-06 2014-11-05 Essel Propack Ltd INK COMPOSITION AND METHOD FOR PRINTING ON LAMINATES
JP5832350B2 (ja) * 2012-03-28 2015-12-16 株式会社Ｓｃｒｅｅｎホールディングス 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
WO2021154266A1 (en) 2020-01-30 2021-08-05 Hewlett-Packard Development Company, L.P. Halftone screens
WO2022173435A1 (en) * 2021-02-11 2022-08-18 Hewlett-Packard Development Company, L.P. Halftone screen tiles
US11917115B1 (en) 2023-03-10 2024-02-27 Ricoh Company, Ltd. Shift compensation mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11235880A (ja) * 1997-12-17 1999-08-31 Think Lab Kk 印刷版
JPH11334235A (ja) * 1998-05-23 1999-12-07 Think Laboratory Co Ltd 印刷版
JP2006086785A (ja) * 2004-09-16 2006-03-30 Dainippon Printing Co Ltd 網点からなる画像の印刷方法ならびに画像変換方法および装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187107A (en) * 1975-10-21 1980-02-05 Toppan Printing Co., Ltd. Making gravure plate with tint screen
US7492480B2 (en) * 2001-08-27 2009-02-17 Phototype Engraving Company System for halftone screen production
US20040130753A1 (en) 2003-01-06 2004-07-08 Crounse Kenneth R. Halftone method and system using hybrid AM/FM screening for highlight/shadow tonal regions
US7126724B2 (en) * 2003-03-11 2006-10-24 Kodak Graphic Communications Canada Company Flexographic printing
US6977758B2 (en) 2003-09-26 2005-12-20 Xerox Corporation Halftone dot encoding
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
US20050157347A1 (en) 2004-01-21 2005-07-21 Hans Dewitte Relief plates, platemaking masters therefor, and methods for producing such plate making masters and plates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11235880A (ja) * 1997-12-17 1999-08-31 Think Lab Kk 印刷版
JPH11334235A (ja) * 1998-05-23 1999-12-07 Think Laboratory Co Ltd 印刷版
JP2006086785A (ja) * 2004-09-16 2006-03-30 Dainippon Printing Co Ltd 網点からなる画像の印刷方法ならびに画像変換方法および装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224878A (ja) * 2010-04-20 2011-11-10 Fujifilm Corp 印刷用凸版
CN112534801A (zh) * 2018-08-10 2021-03-19 爱克发有限公司 具有成簇微网点的数字半色调处理

Also Published As

Publication number Publication date
ATE490646T1 (de) 2010-12-15
US20090262398A1 (en) 2009-10-22
US8111428B2 (en) 2012-02-07
EP2111033B1 (en) 2010-12-01
DE602009000399D1 (de) 2011-01-13
EP2111033A1 (en) 2009-10-21

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