ATE534233T1 - Frequenzmoduliertes screening-verfahren auf der basis der doppel-rückkopplungs-fehlerdiffusion - Google Patents

Frequenzmoduliertes screening-verfahren auf der basis der doppel-rückkopplungs-fehlerdiffusion

Info

Publication number
ATE534233T1
ATE534233T1 AT05808293T AT05808293T ATE534233T1 AT E534233 T1 ATE534233 T1 AT E534233T1 AT 05808293 T AT05808293 T AT 05808293T AT 05808293 T AT05808293 T AT 05808293T AT E534233 T1 ATE534233 T1 AT E534233T1
Authority
AT
Austria
Prior art keywords
modulation
gradations
output
error diffusion
present
Prior art date
Application number
AT05808293T
Other languages
English (en)
Inventor
Haifeng Li
Bin Yang
Shixiong Ma
Original Assignee
Beijing Founder Electronics Co
Univ Beijing
Univ Peking Founder Group 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 Beijing Founder Electronics Co, Univ Beijing, Univ Peking Founder Group Co filed Critical Beijing Founder Electronics Co
Application granted granted Critical
Publication of ATE534233T1 publication Critical patent/ATE534233T1/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
    • H04N1/4051—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
AT05808293T 2005-04-27 2005-11-02 Frequenzmoduliertes screening-verfahren auf der basis der doppel-rückkopplungs-fehlerdiffusion ATE534233T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2005100681278A CN100338936C (zh) 2005-04-27 2005-04-27 一种基于双反馈的误差扩散调频挂网方法
PCT/CN2005/001826 WO2006114031A1 (en) 2005-04-27 2005-11-02 Frequency modulated screening method based on the dual feedback error diffusion

Publications (1)

Publication Number Publication Date
ATE534233T1 true ATE534233T1 (de) 2011-12-15

Family

ID=35038929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05808293T ATE534233T1 (de) 2005-04-27 2005-11-02 Frequenzmoduliertes screening-verfahren auf der basis der doppel-rückkopplungs-fehlerdiffusion

Country Status (6)

Country Link
US (1) US8023152B2 (de)
EP (1) EP1909482B1 (de)
JP (1) JP4480782B2 (de)
CN (1) CN100338936C (de)
AT (1) ATE534233T1 (de)
WO (1) WO2006114031A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2308167C2 (ru) * 2005-06-27 2007-10-10 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет технологии и дизайна" (СПГУТД) Способ адаптивного растрирования полутонового оригинала и устройство для его осуществления
CN100377567C (zh) 2005-10-26 2008-03-26 北京北大方正电子有限公司 在多位成像深度设备上的调频调幅混合网点网型控制方法
CN100377566C (zh) * 2005-10-26 2008-03-26 北京北大方正电子有限公司 多位成像深度设备上的调频调幅混合半色调图像处理方法
CN100393098C (zh) 2006-08-22 2008-06-04 北京大学 误差扩散图像挂网技术中的图像扫描处理方法及系统
JP2009253472A (ja) * 2008-04-02 2009-10-29 Canon Inc 画像処理装置およびその方法
CN101763628B (zh) * 2008-12-23 2011-11-16 北京大学 一种挂网图像边界位置平滑的方法及装置
CN101527774B (zh) * 2009-03-17 2011-01-05 北大方正集团有限公司 一种图像点阵质量优化方法及装置
JP2010217725A (ja) * 2009-03-18 2010-09-30 Ricoh Co Ltd 画像形成装置、画像形成装置の制御方法およびプログラム
JP5534787B2 (ja) * 2009-11-24 2014-07-02 キヤノン株式会社 画像処理装置及び画像処理方法
JP5267954B2 (ja) * 2010-02-01 2013-08-21 富士ゼロックス株式会社 画像処理装置、画像形成装置およびプログラム
CN102263881B (zh) * 2010-05-24 2013-08-07 北大方正集团有限公司 半色调图像调频挂网处理方法及装置
USRE48083E1 (en) * 2011-01-17 2020-07-07 Stc.Unm System and methods for random parameter filtering
JP5299466B2 (ja) * 2011-04-07 2013-09-25 コニカミノルタ株式会社 画像処理装置、画像処理方法及びプログラム
CN109672805A (zh) * 2018-12-26 2019-04-23 呈像科技(北京)有限公司 打印机图像处理的半色调混合加网法
CN110060194B (zh) * 2019-04-19 2023-04-28 南京林业大学 一种图像自适应的信息隐藏方法
CN119011734B (zh) * 2024-09-10 2025-03-04 广州市千彩纸品印刷有限公司 一种基于调频网点提高印刷图像质量的方法及其系统

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JPH0451773A (ja) 1990-06-20 1992-02-20 Matsushita Graphic Commun Syst Inc 画像処理装置
US5325211A (en) 1993-01-04 1994-06-28 Xerox Corporation Error diffusion with output and input based feedback
US6307647B1 (en) * 1995-05-05 2001-10-23 Lexmark International, Inc. Digital halftoning with error diffusion
JPH09261481A (ja) * 1996-03-22 1997-10-03 Toshiba Corp 画像形成装置
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US7301674B2 (en) 2002-10-31 2007-11-27 Hewlett-Packard Development Company, L.P. Translation of an input pixel value to an output pixel value
CN1144153C (zh) * 2002-12-30 2004-03-31 北京北大方正电子有限公司 一种改善调频网中间调质量的数值的调频挂网方法
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US7265872B2 (en) * 2003-10-15 2007-09-04 International Business Machines Corporation Error diffusion with averaged directional biases

Also Published As

Publication number Publication date
US8023152B2 (en) 2011-09-20
CN1668063A (zh) 2005-09-14
EP1909482A1 (de) 2008-04-09
CN100338936C (zh) 2007-09-19
EP1909482A4 (de) 2008-12-03
US20080170267A1 (en) 2008-07-17
EP1909482B1 (de) 2011-11-16
JP2008539615A (ja) 2008-11-13
JP4480782B2 (ja) 2010-06-16
WO2006114031A1 (en) 2006-11-02

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