DE60005460D1 - Bildverarbeitungs- und Druckapparat - Google Patents

Bildverarbeitungs- und Druckapparat

Info

Publication number
DE60005460D1
DE60005460D1 DE60005460T DE60005460T DE60005460D1 DE 60005460 D1 DE60005460 D1 DE 60005460D1 DE 60005460 T DE60005460 T DE 60005460T DE 60005460 T DE60005460 T DE 60005460T DE 60005460 D1 DE60005460 D1 DE 60005460D1
Authority
DE
Germany
Prior art keywords
halftoning
image
image data
technique
light
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 - Lifetime
Application number
DE60005460T
Other languages
English (en)
Other versions
DE60005460T2 (de
Inventor
Toshiaki Kakutani
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
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE60005460D1 publication Critical patent/DE60005460D1/de
Publication of DE60005460T2 publication Critical patent/DE60005460T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/205—Ink jet for printing a discrete number of tones
    • B41J2/2056—Ink jet for printing a discrete number of tones by ink density change
    • 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
    • H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ink Jet (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE60005460T 1999-11-17 2000-11-17 Bildverarbeitungs- und Druckapparat Expired - Lifetime DE60005460T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32743799A JP3846133B2 (ja) 1999-11-17 1999-11-17 画像処理装置および印刷装置
JP32743799 1999-11-17

Publications (2)

Publication Number Publication Date
DE60005460D1 true DE60005460D1 (de) 2003-10-30
DE60005460T2 DE60005460T2 (de) 2004-11-25

Family

ID=18199170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60005460T Expired - Lifetime DE60005460T2 (de) 1999-11-17 2000-11-17 Bildverarbeitungs- und Druckapparat

Country Status (5)

Country Link
US (1) US6543870B1 (de)
EP (1) EP1103383B1 (de)
JP (1) JP3846133B2 (de)
AT (1) ATE250505T1 (de)
DE (1) DE60005460T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3663919B2 (ja) * 1998-06-26 2005-06-22 セイコーエプソン株式会社 印刷装置および印刷方法並びに記録媒体
JP2001136402A (ja) * 1999-11-10 2001-05-18 Minolta Co Ltd 色変換装置
US6697169B1 (en) * 1999-12-08 2004-02-24 Sharp Laboratories Of America, Inc. Enhanced error diffusion using a correlated chromatic noise pattern
US20030058471A1 (en) * 2001-09-21 2003-03-27 Hiromi Okubo Method and apparatus for image processing capable of automatically adding/upgrading image processing functions, and a computer readable data medium containing computer instructions for performing the method
US6749280B2 (en) * 2001-12-14 2004-06-15 Fuji Xerox Co., Ltd. Recording apparatus, recording method therefor and program therefor
GB2384210B (en) * 2002-01-17 2005-03-09 Software 2000 Ltd Multi-channel colour matching
US20030179410A1 (en) * 2002-03-21 2003-09-25 Velde Koen Van De Multilevel colour error-diffusion providing reduced sensitivity to printing process variability errors
JP4528481B2 (ja) * 2002-04-05 2010-08-18 セイコーエプソン株式会社 インク滴の大きさの誤差に応じてドットの記録率を変える印刷
GB2387817A (en) * 2002-04-27 2003-10-29 Hewlett Packard Co Page wide array inkjet printer having halftone controller and multiple printheads, each printing different image strips.
JP2003330447A (ja) * 2002-05-15 2003-11-19 Mitsubishi Electric Corp 画像処理装置
JP3962642B2 (ja) * 2002-07-08 2007-08-22 キヤノン株式会社 画像処理装置およびその方法
JP4065532B2 (ja) * 2003-05-09 2008-03-26 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP2005067054A (ja) * 2003-08-26 2005-03-17 Seiko Epson Corp 改善インクの吐出制御
US7839537B2 (en) 2004-04-30 2010-11-23 Eastman Kodak Company Method and apparatus for multi-color printing using a rosette or diamond halftone screen for one or more of the colors
JP4720123B2 (ja) * 2004-07-26 2011-07-13 ブラザー工業株式会社 印刷制御装置、印刷制御方法及び印刷制御プログラム
JP4297033B2 (ja) * 2004-09-30 2009-07-15 セイコーエプソン株式会社 複数画素ずつ多値化を行う画像処理装置
US8004584B2 (en) * 2005-04-29 2011-08-23 Hewlett-Packard Development Company, L.P. Method and apparatus for the creation of compound digital image effects
US7532360B2 (en) * 2005-09-16 2009-05-12 Seiko Epson Corporation Image output apparatus
US8212805B1 (en) 2007-01-05 2012-07-03 Kenneth Banschick System and method for parametric display of modular aesthetic designs
JP4953919B2 (ja) * 2007-05-24 2012-06-13 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、印刷装置および閾値マトリクス
JP5197335B2 (ja) 2008-12-05 2013-05-15 キヤノン株式会社 画像形成装置およびその制御方法、情報処理装置およびその制御方法、プログラム、並びに記憶媒体
JP5381378B2 (ja) * 2009-04-14 2014-01-08 セイコーエプソン株式会社 インクジェット式印刷装置、印刷方法
JP5067896B2 (ja) * 2009-06-18 2012-11-07 キヤノン株式会社 画像処理装置および画像処理方法
JP5921110B2 (ja) * 2011-08-09 2016-05-24 キヤノン株式会社 画像処理装置およびその制御方法
JP6358417B2 (ja) * 2013-08-20 2018-07-18 セイコーエプソン株式会社 印刷装置および印刷方法
WO2020112099A1 (en) * 2018-11-28 2020-06-04 Hewlett-Packard Development Company, L.P. Printing liquid colors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838730C2 (de) * 1987-11-16 1994-07-28 Canon Kk Verfahren und Vorrichtung zur Bildverarbeitung
JP2958584B2 (ja) * 1991-09-19 1999-10-06 富士写真フイルム株式会社 ノイズ除去方法
US5463720A (en) * 1992-09-28 1995-10-31 Granger; Edward M. Blue noise based technique for use in a halftone tile oriented screener for masking screener induced image artifacts
US5313287A (en) 1993-04-30 1994-05-17 Hewlett-Packard Company Imposed weight matrix error diffusion halftoning of image data
JP3721206B2 (ja) * 1993-12-24 2005-11-30 富士写真フイルム株式会社 画像再現装置
AUPN234595A0 (en) 1995-04-12 1995-05-04 Eastman Kodak Company Improvements in image halftoning
AUPN743096A0 (en) * 1996-01-05 1996-02-01 Canon Kabushiki Kaisha Force field halftoning
US5737453A (en) 1996-05-17 1998-04-07 Canon Information Systems, Inc. Enhanced error-diffusion method for color or black-and-white reproduction
JP4348748B2 (ja) 1996-07-18 2009-10-21 セイコーエプソン株式会社 印刷装置および画像記録方法
JPH10191083A (ja) * 1996-12-27 1998-07-21 Brother Ind Ltd カラー画像の２値化方法および記憶媒体

Also Published As

Publication number Publication date
EP1103383A3 (de) 2002-09-25
EP1103383B1 (de) 2003-09-24
JP2001144959A (ja) 2001-05-25
JP3846133B2 (ja) 2006-11-15
ATE250505T1 (de) 2003-10-15
DE60005460T2 (de) 2004-11-25
EP1103383A2 (de) 2001-05-30
US6543870B1 (en) 2003-04-08

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition