SG83717A1 - Image processing method and device and image formation device - Google Patents

Image processing method and device and image formation device

Info

Publication number
SG83717A1
SG83717A1 SG9902521A SG1999002521A SG83717A1 SG 83717 A1 SG83717 A1 SG 83717A1 SG 9902521 A SG9902521 A SG 9902521A SG 1999002521 A SG1999002521 A SG 1999002521A SG 83717 A1 SG83717 A1 SG 83717A1
Authority
SG
Singapore
Prior art keywords
processing method
image processing
image
image formation
formation device
Prior art date
Application number
SG9902521A
Other languages
English (en)
Inventor
Nobuhiko Nakahara
Hiroki Umezawa
Original Assignee
Toshiba Tec Kk
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 Toshiba Tec Kk filed Critical Toshiba Tec Kk
Publication of SG83717A1 publication Critical patent/SG83717A1/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
SG9902521A 1998-05-22 1999-05-20 Image processing method and device and image formation device SG83717A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14125998 1998-05-22
JP07631599A JP3872919B2 (ja) 1998-05-22 1999-03-19 画像処理装置

Publications (1)

Publication Number Publication Date
SG83717A1 true SG83717A1 (en) 2001-10-16

Family

ID=26417458

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9902521A SG83717A1 (en) 1998-05-22 1999-05-20 Image processing method and device and image formation device

Country Status (7)

Country Link
US (1) US6402281B1 (zh)
EP (1) EP0959429B1 (zh)
JP (1) JP3872919B2 (zh)
KR (1) KR19990088420A (zh)
CN (1) CN1163358C (zh)
DE (1) DE69932769T2 (zh)
SG (1) SG83717A1 (zh)

Families Citing this family (10)

* 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
JP2001199074A (ja) * 2000-01-17 2001-07-24 Sony Corp インクジェットプリンタ
JP4335467B2 (ja) 2000-03-07 2009-09-30 セイコーインスツル株式会社 濃淡画像の階調再現方法および装置
JP4662401B2 (ja) * 2001-02-05 2011-03-30 ローム株式会社 印字方法およびサーマルプリンタ
US8595055B2 (en) 2001-03-27 2013-11-26 Points.Com Apparatus and method of facilitating the exchange of points between selected entities
US20030179410A1 (en) * 2002-03-21 2003-09-25 Velde Koen Van De Multilevel colour error-diffusion providing reduced sensitivity to printing process variability errors
JP2005078317A (ja) * 2003-08-29 2005-03-24 Brother Ind Ltd 画像処理装置、画像処理方法及び画像処理プログラム
JP2012056111A (ja) * 2010-09-06 2012-03-22 Ricoh Co Ltd 光書き込み装置、画像形成装置及び光書き込み装置の制御方法、光書き込み装置の制御プログラム及び記録媒体
CN102547058B (zh) * 2011-12-31 2014-11-26 福建星网视易信息系统有限公司 Jpeg图像处理方法以及系统
JP7257806B2 (ja) * 2019-02-12 2023-04-14 キヤノン株式会社 画像形成装置、生成装置、変換方法、並びに、生成方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0698157A (ja) * 1992-09-14 1994-04-08 Fuji Xerox Co Ltd 中間調画像形成装置
US5339171A (en) * 1990-04-24 1994-08-16 Ricoh Company, Ltd. Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
US5661570A (en) * 1994-07-27 1997-08-26 Brother Kogyo Kabushiki Kaisha Image-data processing apparatus

Family Cites Families (7)

* 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
US4969052A (en) * 1988-05-11 1990-11-06 Canon Kabushiki Kaisha Image processing method and apparatus
JPH0380767A (ja) * 1989-08-24 1991-04-05 Ricoh Co Ltd 画像の階調記録装置
JP2851662B2 (ja) * 1989-12-22 1999-01-27 キヤノン株式会社 画像処理装置
JPH05336373A (ja) 1992-06-04 1993-12-17 Toshiba Corp 画像記録装置
JPH09164705A (ja) * 1995-12-14 1997-06-24 Mitsubishi Electric Corp インクジェット記録装置
JP3844266B2 (ja) 1997-03-10 2006-11-08 株式会社リコー 画像処理装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339171A (en) * 1990-04-24 1994-08-16 Ricoh Company, Ltd. Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
JPH0698157A (ja) * 1992-09-14 1994-04-08 Fuji Xerox Co Ltd 中間調画像形成装置
US5661570A (en) * 1994-07-27 1997-08-26 Brother Kogyo Kabushiki Kaisha Image-data processing apparatus

Also Published As

Publication number Publication date
EP0959429B1 (en) 2006-08-16
EP0959429A2 (en) 1999-11-24
EP0959429A3 (en) 2002-11-27
DE69932769T2 (de) 2006-12-07
CN1236705A (zh) 1999-12-01
US6402281B1 (en) 2002-06-11
JP2000050070A (ja) 2000-02-18
DE69932769D1 (de) 2006-09-28
KR19990088420A (ko) 1999-12-27
JP3872919B2 (ja) 2007-01-24
CN1163358C (zh) 2004-08-25

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