JPH10334231A - ハーフトーン処理方法 - Google Patents

ハーフトーン処理方法

Info

Publication number
JPH10334231A
JPH10334231A JP10132083A JP13208398A JPH10334231A JP H10334231 A JPH10334231 A JP H10334231A JP 10132083 A JP10132083 A JP 10132083A JP 13208398 A JP13208398 A JP 13208398A JP H10334231 A JPH10334231 A JP H10334231A
Authority
JP
Japan
Prior art keywords
image
error diffusion
continuous tone
halftone
filter
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.)
Pending
Application number
JP10132083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10334231A5 (enExample
Inventor
Hugh P Nguyen
ヒュー・ピー・ヌイェン
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 JPH10334231A publication Critical patent/JPH10334231A/ja
Publication of JPH10334231A5 publication Critical patent/JPH10334231A5/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051Halftoning, 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
    • H04N1/4052Halftoning, 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP10132083A 1997-05-23 1998-05-14 ハーフトーン処理方法 Pending JPH10334231A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/862,236 US5892851A (en) 1997-05-23 1997-05-23 Parallelized error diffusion
US08/862-236 1997-05-23

Publications (2)

Publication Number Publication Date
JPH10334231A true JPH10334231A (ja) 1998-12-18
JPH10334231A5 JPH10334231A5 (enExample) 2005-09-29

Family

ID=25338008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10132083A Pending JPH10334231A (ja) 1997-05-23 1998-05-14 ハーフトーン処理方法

Country Status (4)

Country Link
US (1) US5892851A (enExample)
EP (1) EP0880275B1 (enExample)
JP (1) JPH10334231A (enExample)
DE (1) DE69816710T2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7483176B2 (en) * 2003-06-23 2009-01-27 Konica Minolta Business Technologies, Inc. Image processing apparatus and method
JP2022152145A (ja) * 2021-03-29 2022-10-12 セイコーエプソン株式会社 画像処理装置および画像処理方法

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000152005A (ja) 1998-11-17 2000-05-30 Toshiba Corp 画像処理装置
JP2001136402A (ja) * 1999-11-10 2001-05-18 Minolta Co Ltd 色変換装置
US7460275B2 (en) * 1999-12-02 2008-12-02 Texas Instruments Incorporated Odd/even error diffusion filter
US6850566B2 (en) 2000-02-22 2005-02-01 Intervideo, Inc. Implementation of quantization for SIMD architecture
JP3995868B2 (ja) * 2000-06-12 2007-10-24 シャープ株式会社 誤差拡散演算装置
JP3661624B2 (ja) * 2000-10-06 2005-06-15 セイコーエプソン株式会社 画像処理装置
JP3720268B2 (ja) * 2001-02-26 2005-11-24 株式会社メガチップス 画像処理装置
US7355747B2 (en) * 2002-01-18 2008-04-08 Hewlett-Packard Development Company, L.P. System for improving the speed of data processing
US7312901B2 (en) * 2002-03-15 2007-12-25 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and program
US20040008382A1 (en) * 2002-07-09 2004-01-15 Barbalet Thomas Samuel System and method for error diffusion screening with parallel processing
US7086712B2 (en) * 2002-07-30 2006-08-08 Hewlett-Packard Development Company, L.P Halftoning method and apparatus
US7319549B2 (en) 2003-03-27 2008-01-15 Lexmark International, Inc. Multiple weight error diffusion
KR100508936B1 (ko) * 2003-08-12 2005-08-17 삼성에스디아이 주식회사 고속 동작이 가능한 오차 확산 방법 및 그 방법을 이용한플라즈마 디스플레이 패널 구동 장치
US7450270B2 (en) * 2004-01-16 2008-11-11 Hewlett-Packard Development Company, L.P. Image data processing methods, hard imaging devices, and articles of manufacture
JP4219887B2 (ja) * 2004-12-28 2009-02-04 富士通マイクロエレクトロニクス株式会社 画像処理装置及び画像処理方法
US7468814B2 (en) * 2005-02-08 2008-12-23 Astro-Med, Inc. Algorithm for controlling half toning process
US8169667B2 (en) * 2009-02-28 2012-05-01 Hewlett-Packard Development Company, L.P. Performing halftoning by plurality of halftoning mechanisms
KR101328793B1 (ko) * 2009-11-23 2013-11-13 엘지디스플레이 주식회사 오차 확산 방법과 이를 이용한 액정표시장치
US9007659B1 (en) 2013-12-16 2015-04-14 Xerox Corporation Re-ordered error diffusion for fast implementation
US9262704B1 (en) 2015-03-04 2016-02-16 Xerox Corporation Rendering images to lower bits per pixel formats using reduced numbers of registers
US9906687B2 (en) * 2016-03-09 2018-02-27 Xerox Corporation Method and apparatus for starting an error diffusion method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553165A (en) * 1993-01-11 1996-09-03 Canon, Inc. Parallel error diffusion method and apparatus
US5519791A (en) * 1993-01-11 1996-05-21 Canon, Inc. Block parallel error diffusion method and apparatus
NL9300684A (nl) * 1993-04-22 1994-11-16 Oce Nederland Bv Werkwijze voor het halftonen van gedigitaliseerde grijswaardebeelden en beeldbewerkingsinrichting geschikt voor het uitvoeren van een dergelijke werkwijze.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7483176B2 (en) * 2003-06-23 2009-01-27 Konica Minolta Business Technologies, Inc. Image processing apparatus and method
JP2022152145A (ja) * 2021-03-29 2022-10-12 セイコーエプソン株式会社 画像処理装置および画像処理方法

Also Published As

Publication number Publication date
DE69816710D1 (de) 2003-09-04
US5892851A (en) 1999-04-06
EP0880275A3 (en) 1999-11-03
DE69816710T2 (de) 2004-04-15
EP0880275B1 (en) 2003-07-30
EP0880275A2 (en) 1998-11-25

Similar Documents

Publication Publication Date Title
JPH10334231A (ja) ハーフトーン処理方法
KR0173456B1 (ko) 디더 처리방법
US5835687A (en) Methods and apparatus for providing digital halftone images with random error diffusion dithering
US5515456A (en) Process for providing digital halftone image with random error diffusion, color correction and enlargement
JP3118868B2 (ja) 画像処理装置
JP2941288B2 (ja) 画像処理システム
JP2608404B2 (ja) 画像処理装置
JP3184197B2 (ja) 画像処理装置
JPH03243063A (ja) 階調画像の二値化方法
JPH01212073A (ja) 画像データ縮小処理装置
JPH01303869A (ja) 画像処理装置
JPS6029872A (ja) 画像信号処理方法および画像信号処理装置
JPH1188693A (ja) 疑似階調処理装置
JP3146518B2 (ja) 画像処理装置
JPH04264883A (ja) 階調画像の二値化方法
JP2714141B2 (ja) 画素密度変換装置
JPH04362874A (ja) 画像処理装置
JPH05160996A (ja) 画像処理方法
JP3363721B2 (ja) ハーフトーン処理方法及び画像処理装置
JPH06311346A (ja) 画像処理装置
JPH03201677A (ja) 画像処理装置
JPH04301971A (ja) 階調画像の二値化方法
JPH0294778A (ja) 画像処理方式
JPH0360574A (ja) 2値化処理装置
JPH07273990A (ja) 画像処理装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050509

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050509

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080707

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080715

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20081216