JPH1188686A - ハーフトーン化方法 - Google Patents

ハーフトーン化方法

Info

Publication number
JPH1188686A
JPH1188686A JP10185609A JP18560998A JPH1188686A JP H1188686 A JPH1188686 A JP H1188686A JP 10185609 A JP10185609 A JP 10185609A JP 18560998 A JP18560998 A JP 18560998A JP H1188686 A JPH1188686 A JP H1188686A
Authority
JP
Japan
Prior art keywords
halftoning
image
delta
index
algorithm
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.)
Withdrawn
Application number
JP10185609A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1188686A5 (enExample
Inventor
Qian Lin
キアン・リン
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH1188686A publication Critical patent/JPH1188686A/ja
Publication of JPH1188686A5 publication Critical patent/JPH1188686A5/ja
Withdrawn legal-status Critical Current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
    • H04N1/40—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
    • 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)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP10185609A 1997-06-30 1998-06-16 ハーフトーン化方法 Withdrawn JPH1188686A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/884,750 US5970178A (en) 1997-06-30 1997-06-30 Adaptive halftoning based on image content
US884,750 1997-06-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008215982A Division JP4740987B2 (ja) 1997-06-30 2008-08-25 ハーフトーン化方法

Publications (2)

Publication Number Publication Date
JPH1188686A true JPH1188686A (ja) 1999-03-30
JPH1188686A5 JPH1188686A5 (enExample) 2005-10-20

Family

ID=25385312

Family Applications (2)

Application Number Title Priority Date Filing Date
JP10185609A Withdrawn JPH1188686A (ja) 1997-06-30 1998-06-16 ハーフトーン化方法
JP2008215982A Expired - Fee Related JP4740987B2 (ja) 1997-06-30 2008-08-25 ハーフトーン化方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008215982A Expired - Fee Related JP4740987B2 (ja) 1997-06-30 2008-08-25 ハーフトーン化方法

Country Status (4)

Country Link
US (1) US5970178A (enExample)
EP (1) EP0889641B1 (enExample)
JP (2) JPH1188686A (enExample)
DE (1) DE69817473T2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100611981B1 (ko) 2004-05-01 2006-08-11 삼성전자주식회사 이미지의 하프토닝 방법 및 장치
JP2015149719A (ja) * 2014-02-04 2015-08-20 株式会社リコー 選択的な向上のあるデジタル画像ハーフトーン変換

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002804A (en) 1998-03-26 1999-12-14 Hewlett-Packard Company Tone dependent variable halftoning with adjustable algorithm selection
TW384612B (en) * 1998-08-19 2000-03-11 Acer Peripherals Inc Image processing system and method capable of converting gray-level images into binary images
NL1012708C2 (nl) * 1999-07-26 2001-01-29 Ocu Technologies B V Afdrukken van digitale kleurenbeelden met locaal aangepaste halftoning.
US6443549B1 (en) * 2000-02-04 2002-09-03 Scitex Digital Printing, Inc. Continuous tone reproduction using improved ink jet droplet dispersion techniques
US7158262B2 (en) * 2000-02-17 2007-01-02 Hewlett-Packard Development Company, L.P. Multi-level error diffusion apparatus and method of using same
US6760126B1 (en) 2000-06-20 2004-07-06 Hewlett-Packard Development Company, L.P. Adaptive halftoning method and apparatus
US20050030586A1 (en) * 2003-07-23 2005-02-10 Jincheng Huang Adaptive halftone scheme to preserve image smoothness and sharpness by utilizing X-label
US7308159B2 (en) * 2004-01-16 2007-12-11 Enuclia Semiconductor, Inc. Image processing system and method with dynamically controlled pixel processing
US9292904B2 (en) 2004-01-16 2016-03-22 Nvidia Corporation Video image processing with parallel processing
US7869666B2 (en) 2005-01-13 2011-01-11 Nvidia Corporation Video processing system and method with dynamic tag architecture
US7853044B2 (en) * 2005-01-13 2010-12-14 Nvidia Corporation Video processing system and method with dynamic tag architecture
US20060152627A1 (en) * 2005-01-13 2006-07-13 Ruggiero Carl J Video processing system and method with dynamic tag architecture
US7738740B2 (en) * 2005-01-13 2010-06-15 Nvidia Corporation Video processing system and method with dynamic tag architecture
US7620243B2 (en) * 2005-12-14 2009-11-17 Seiko Epson Corporation Noise reduction for primary tones for image replication systems
US8848249B2 (en) 2011-07-29 2014-09-30 Hewlett-Packard Development Company, L.P. Creating an image to be printed using halftone blending
US9760971B2 (en) 2013-06-13 2017-09-12 Hewlett-Packard Development Company, L.P. Establish image pipeline
CN107850985B (zh) * 2015-10-30 2021-10-26 惠普发展公司有限责任合伙企业 对三维物体的物体数据进行半色调
CN108510474B (zh) * 2018-03-09 2021-07-06 上海烟草集团有限责任公司 烟叶图像质量的评价方法、系统、存储器、及电子设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974097A (en) * 1986-11-18 1990-11-27 Canon Kabushiki Kaisha Data communication apparatus
JPH07264402A (ja) * 1994-03-18 1995-10-13 Dainippon Screen Mfg Co Ltd 印刷版画像の作成方法
US5777759A (en) * 1995-04-28 1998-07-07 Canon Kabushiki Kaisha Image processing method and apparatus
US5701366A (en) * 1996-09-04 1997-12-23 Canon Information Systems, Inc. Halftoning with gradient-based selection of dither matrices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100611981B1 (ko) 2004-05-01 2006-08-11 삼성전자주식회사 이미지의 하프토닝 방법 및 장치
JP2015149719A (ja) * 2014-02-04 2015-08-20 株式会社リコー 選択的な向上のあるデジタル画像ハーフトーン変換

Also Published As

Publication number Publication date
EP0889641B1 (en) 2003-08-27
JP2009005397A (ja) 2009-01-08
EP0889641A3 (en) 1999-03-03
US5970178A (en) 1999-10-19
EP0889641A2 (en) 1999-01-07
DE69817473D1 (de) 2003-10-02
DE69817473T2 (de) 2004-06-24
JP4740987B2 (ja) 2011-08-03

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