JP4241632B2 - 色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス - Google Patents

色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス Download PDF

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JP4241632B2
JP4241632B2 JP2005017370A JP2005017370A JP4241632B2 JP 4241632 B2 JP4241632 B2 JP 4241632B2 JP 2005017370 A JP2005017370 A JP 2005017370A JP 2005017370 A JP2005017370 A JP 2005017370A JP 4241632 B2 JP4241632 B2 JP 4241632B2
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color
plate
frequency
angle
pattern
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JP2006211055A (ja
JP2006211055A5 (enExample
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義章 井上
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Fujifilm Corp
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Fujifilm Corp
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Priority to JP2005017370A priority Critical patent/JP4241632B2/ja
Priority to EP06001445A priority patent/EP1684498B1/en
Priority to DE602006018679T priority patent/DE602006018679D1/de
Priority to US11/338,831 priority patent/US7619778B2/en
Publication of JP2006211055A publication Critical patent/JP2006211055A/ja
Publication of JP2006211055A5 publication Critical patent/JP2006211055A5/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
    • H04N1/4055—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
    • H04N1/4058—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 with details for producing a halftone screen at an oblique angle

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2005017370A 2005-01-25 2005-01-25 色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス Expired - Fee Related JP4241632B2 (ja)

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JP2005017370A JP4241632B2 (ja) 2005-01-25 2005-01-25 色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス
EP06001445A EP1684498B1 (en) 2005-01-25 2006-01-24 Method of generating a set of threshold matrices for producing color separations
DE602006018679T DE602006018679D1 (de) 2005-01-25 2006-01-24 Verfahren zum Erzeugen einer Reihe von Schwellwertmatrizen für die Erzeugung von Farbtrennungen
US11/338,831 US7619778B2 (en) 2005-01-25 2006-01-25 Method of generating a threshold matrix for producing a color separation, the matrix having a varied intensity distribution, method of reproducing a color image using the threshold matrix, apparatus for producing the color separation, and the threshold matrix

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JP2005017370A JP4241632B2 (ja) 2005-01-25 2005-01-25 色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス

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JP2006211055A JP2006211055A (ja) 2006-08-10
JP2006211055A5 JP2006211055A5 (enExample) 2007-08-23
JP4241632B2 true JP4241632B2 (ja) 2009-03-18

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US (1) US7619778B2 (enExample)
EP (1) EP1684498B1 (enExample)
JP (1) JP4241632B2 (enExample)
DE (1) DE602006018679D1 (enExample)

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Publication number Publication date
EP1684498A2 (en) 2006-07-26
US20060164699A1 (en) 2006-07-27
EP1684498A3 (en) 2008-04-02
JP2006211055A (ja) 2006-08-10
DE602006018679D1 (de) 2011-01-20
EP1684498B1 (en) 2010-12-08
US7619778B2 (en) 2009-11-17

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