HK1056957A1 - Halftone dot placement for multi-color images. - Google Patents

Halftone dot placement for multi-color images.

Info

Publication number
HK1056957A1
HK1056957A1 HK03107256A HK03107256A HK1056957A1 HK 1056957 A1 HK1056957 A1 HK 1056957A1 HK 03107256 A HK03107256 A HK 03107256A HK 03107256 A HK03107256 A HK 03107256A HK 1056957 A1 HK1056957 A1 HK 1056957A1
Authority
HK
Hong Kong
Prior art keywords
color images
halftone dot
dot placement
placement
halftone
Prior art date
Application number
HK03107256A
Other languages
English (en)
Inventor
William A Rozzi
Original Assignee
Kodak Polychrome Graphics Llc
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 Kodak Polychrome Graphics Llc filed Critical Kodak Polychrome Graphics Llc
Publication of HK1056957A1 publication Critical patent/HK1056957A1/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
HK03107256A 2000-07-07 2003-10-09 Halftone dot placement for multi-color images. HK1056957A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/612,419 US6867884B1 (en) 2000-07-07 2000-07-07 Halftone dot placement for multi-color images
PCT/US2001/000871 WO2002005545A1 (en) 2000-07-07 2001-01-11 Halftone dot placement for multi-color images

Publications (1)

Publication Number Publication Date
HK1056957A1 true HK1056957A1 (en) 2004-03-05

Family

ID=24453072

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03107256A HK1056957A1 (en) 2000-07-07 2003-10-09 Halftone dot placement for multi-color images.

Country Status (6)

Country Link
US (1) US6867884B1 (de)
EP (1) EP1300000B1 (de)
JP (1) JP2004503186A (de)
DE (1) DE60106038T2 (de)
HK (1) HK1056957A1 (de)
WO (1) WO2002005545A1 (de)

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EP1347631A1 (de) * 2002-03-21 2003-09-24 Agfa-Gevaert N.V. Mehrstufige Farbfehlerdiffusion zur Emfindlichkeitsreduzierung von Variationsfehlern in einem Druckprozess
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US6997543B2 (en) * 2003-10-16 2006-02-14 Monotype Imaging, Inc. Total ink control method for color rendering in printing system
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US7691559B2 (en) * 2005-06-30 2010-04-06 Taiwan Semiconductor Manufacturing Company, Ltd. Immersion lithography edge bead removal
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US7952767B2 (en) * 2006-12-22 2011-05-31 Xerox Corporation Method for coherent watermark insertion and detection in color halftone images
US20090010562A1 (en) * 2007-07-03 2009-01-08 Samsung Electronics Co., Ltd. Method of revising edge region and image forming device using the same
US8681381B1 (en) * 2008-11-12 2014-03-25 Marvell International Ltd. Pixel stacking avoidance error diffusion halftone
US8134750B2 (en) * 2009-03-13 2012-03-13 Ricoh Production Print Solutions LLC Printing with alternative halftone patterns in ink jet printing to reduce ink penetration
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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
WO2012095362A1 (en) 2011-01-12 2012-07-19 Oce-Technologies B.V. Method for semi-correlated halftoning
US8537423B2 (en) 2011-01-14 2013-09-17 Hewlett-Packard Development Company, L.P. Method and system for enhancing a digital halftone representation for printing
JP5825857B2 (ja) 2011-06-03 2015-12-02 キヤノン株式会社 画像形成装置、画像形成方法、および、プログラム
JP5825856B2 (ja) * 2011-06-03 2015-12-02 キヤノン株式会社 画像形成装置、画像形成方法、および、プログラム
JP6029305B2 (ja) * 2012-03-29 2016-11-24 キヤノン株式会社 画像処理装置およびその制御方法
US8824014B1 (en) * 2013-02-11 2014-09-02 Xerox Corporation System and method for adjustment of coverage parameters for different colors in image data
US8922802B2 (en) * 2013-02-21 2014-12-30 Ricoh Company, Ltd. Method and system for halftoning using energy minimization
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EP2963908B1 (de) 2014-07-01 2020-10-28 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung, bildverarbeitungsverfahren und speichermedium
EP3035663B1 (de) 2014-12-16 2019-09-18 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung, bildverarbeitungsverfahren und programm
US9704074B2 (en) 2015-01-21 2017-07-11 Canon Kabushiki Kaisha Image processing apparatus and method for quantizing first and second multi-valued data
JP6498132B2 (ja) * 2015-02-12 2019-04-10 キヤノン株式会社 画像処理装置、画像処理方法、プログラムおよび記憶媒体
JP6587552B2 (ja) * 2015-02-20 2019-10-09 キヤノン株式会社 画像処理装置および画像処理方法
JP6381495B2 (ja) * 2015-08-07 2018-08-29 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
US11126900B2 (en) 2018-03-08 2021-09-21 Hewlett-Packard Development Company, L.P. Processing of spot colors in a printing system
JP6625168B2 (ja) * 2018-07-24 2019-12-25 キヤノン株式会社 画像処理装置、記録装置、画像処理方法およびプログラム
JP7183057B2 (ja) * 2019-01-30 2022-12-05 キヤノン株式会社 画像処理装置、画像処理方法、プログラム
EP3664429B1 (de) 2018-12-07 2022-07-27 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung, bildverarbeitungsverfahren und programm
JP7191665B2 (ja) * 2018-12-07 2022-12-19 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
JP7277231B2 (ja) 2019-04-15 2023-05-18 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
JP7247006B2 (ja) 2019-04-15 2023-03-28 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
WO2021061089A1 (en) * 2019-09-23 2021-04-01 Hewlett-Packard Development Company, L.P. Print agent coverage vectors
JP7481935B2 (ja) * 2020-07-21 2024-05-13 キヤノン株式会社 画像処理装置、画像処理方法
JP2022025489A (ja) 2020-07-29 2022-02-10 キヤノン株式会社 画像処理方法及び画像処理装置
JP2022091000A (ja) * 2020-12-08 2022-06-20 キヤノン株式会社 画像処理装置およびその制御方法

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US5341228A (en) 1990-12-04 1994-08-23 Research Corporation Technologies Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5111310A (en) 1990-12-04 1992-05-05 Research Technologies Corporation, Inc. Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
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US5854882A (en) 1994-04-08 1998-12-29 The University Of Rochester Halftone correction systems
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US5748785A (en) 1996-09-26 1998-05-05 Xerox Corporation Inter-separation color image processing using error diffusion
US5949965A (en) 1997-06-23 1999-09-07 Hewlett-Packard Company Correlating cyan and magenta planes for error diffusion halftoning
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US6014500A (en) 1998-06-01 2000-01-11 Xerox Corporation Stochastic halftoning screening method

Also Published As

Publication number Publication date
DE60106038T2 (de) 2005-10-20
EP1300000B1 (de) 2004-09-29
WO2002005545A1 (en) 2002-01-17
US6867884B1 (en) 2005-03-15
EP1300000A1 (de) 2003-04-09
DE60106038D1 (de) 2004-11-04
JP2004503186A (ja) 2004-01-29

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130111