ATE510405T1 - Verfahren zur reproduktion eines farbbilds auf einem medium - Google Patents

Verfahren zur reproduktion eines farbbilds auf einem medium

Info

Publication number
ATE510405T1
ATE510405T1 AT00978914T AT00978914T ATE510405T1 AT E510405 T1 ATE510405 T1 AT E510405T1 AT 00978914 T AT00978914 T AT 00978914T AT 00978914 T AT00978914 T AT 00978914T AT E510405 T1 ATE510405 T1 AT E510405T1
Authority
AT
Austria
Prior art keywords
pixel
level
image
medium
data structure
Prior art date
Application number
AT00978914T
Other languages
English (en)
Inventor
Maxim Derhak
Original Assignee
Rastergraphics 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 Rastergraphics Inc filed Critical Rastergraphics Inc
Application granted granted Critical
Publication of ATE510405T1 publication Critical patent/ATE510405T1/de

Links

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Ink Jet (AREA)
  • Image Processing (AREA)
AT00978914T 1999-10-07 2000-10-06 Verfahren zur reproduktion eines farbbilds auf einem medium ATE510405T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/414,390 US6445466B1 (en) 1999-10-07 1999-10-07 System and method for level based image reproduction
PCT/US2000/041095 WO2001026043A1 (en) 1999-10-07 2000-10-06 System and method for level based image reproduction

Publications (1)

Publication Number Publication Date
ATE510405T1 true ATE510405T1 (de) 2011-06-15

Family

ID=23641250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00978914T ATE510405T1 (de) 1999-10-07 2000-10-06 Verfahren zur reproduktion eines farbbilds auf einem medium

Country Status (6)

Country Link
US (1) US6445466B1 (de)
EP (1) EP1242968B1 (de)
AT (1) ATE510405T1 (de)
AU (1) AU1632201A (de)
CA (1) CA2386191A1 (de)
WO (1) WO2001026043A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9195766B2 (en) * 2004-12-14 2015-11-24 Google Inc. Providing useful information associated with an item in a document
JP2006326882A (ja) * 2005-05-23 2006-12-07 Fuji Xerox Co Ltd インクジェット記録装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394662A (en) * 1980-07-31 1983-07-19 Matsushita Research Institute Tokyo, Inc. Dot printer for reproduction of halftone images
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
US5175804A (en) 1990-05-31 1992-12-29 Onyx Graphics Corporation System and method for color image reproduction from color separations prepared from random fixed size dot placement
JP3020732B2 (ja) * 1992-06-11 2000-03-15 富士写真フイルム株式会社 サーマルプリント方法及びサーマルプリンタ
EP0665673A3 (de) * 1994-02-01 1996-06-12 Dainippon Screen Mfg Verfahren und Gerät zur Erzeugung eines halbtongerasterten Bildes mittels einer Schwellenmatrix.
JP2820044B2 (ja) * 1994-10-28 1998-11-05 日本電気株式会社 画像形成装置
US5946452A (en) * 1997-02-14 1999-08-31 Eastman Kodak Company Partially correlated minimum visibility halftone patterns for digital printers

Also Published As

Publication number Publication date
CA2386191A1 (en) 2001-04-12
EP1242968B1 (de) 2011-05-18
WO2001026043A8 (en) 2001-10-18
WO2001026043A1 (en) 2001-04-12
EP1242968A4 (de) 2007-09-12
US6445466B1 (en) 2002-09-03
AU1632201A (en) 2001-05-10
EP1242968A1 (de) 2002-09-25

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties