DE69809143D1 - Bildverarbeitungsvorrichtung - Google Patents

Bildverarbeitungsvorrichtung

Info

Publication number
DE69809143D1
DE69809143D1 DE69809143T DE69809143T DE69809143D1 DE 69809143 D1 DE69809143 D1 DE 69809143D1 DE 69809143 T DE69809143 T DE 69809143T DE 69809143 T DE69809143 T DE 69809143T DE 69809143 D1 DE69809143 D1 DE 69809143D1
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
processing
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.)
Expired - Fee Related
Application number
DE69809143T
Other languages
English (en)
Other versions
DE69809143T2 (de
Inventor
Eiichi Sakaue
Gaku Takano
Yuuichi Akiyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Corp filed Critical Toshiba Corp
Publication of DE69809143D1 publication Critical patent/DE69809143D1/de
Application granted granted Critical
Publication of DE69809143T2 publication Critical patent/DE69809143T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening
    • 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
    • H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
  • Color Image Communication Systems (AREA)
  • Image Analysis (AREA)
DE69809143T 1997-07-15 1998-07-13 Bildverarbeitungsvorrichtung Expired - Fee Related DE69809143T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9189725A JPH1141473A (ja) 1997-07-15 1997-07-15 画像処理装置と画像記録装置と画像形成装置

Publications (2)

Publication Number Publication Date
DE69809143D1 true DE69809143D1 (de) 2002-12-12
DE69809143T2 DE69809143T2 (de) 2003-07-24

Family

ID=16246154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809143T Expired - Fee Related DE69809143T2 (de) 1997-07-15 1998-07-13 Bildverarbeitungsvorrichtung

Country Status (5)

Country Link
US (1) US6025586A (de)
EP (1) EP0892551B1 (de)
JP (1) JPH1141473A (de)
CN (1) CN1183738C (de)
DE (1) DE69809143T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6888968B1 (en) 2000-09-21 2005-05-03 Kabushiki Kaisha Toshiba Image processing apparatus and image processing method
JP4150250B2 (ja) * 2002-12-02 2008-09-17 富士フイルム株式会社 描画ヘッド、描画装置及び描画方法
JP2004289496A (ja) * 2003-03-20 2004-10-14 Ricoh Co Ltd 画像再生装置、画像再生方法およびこの方法をコンピュータに実行させるためのプログラム
KR100516629B1 (ko) * 2003-10-02 2005-09-22 삼성전기주식회사 이동 좌표 측정용 광센서 장치 및 2차원의 연속적 이미지프로세스를 이용한 이미지 처리 방법
KR100580184B1 (ko) * 2004-01-15 2006-05-16 삼성전자주식회사 1회 스캐닝에 의한 복수 이미지 파일들의 생성방법 및 장치
US7609302B2 (en) 2004-08-11 2009-10-27 Micron Technology, Inc. Correction of non-uniform sensitivity in an image array
US20090109452A1 (en) * 2007-10-24 2009-04-30 Kabushiki Kaisha Toshiba Color conversion table generation apparatus and color conversion table generation method
CN102572208B (zh) * 2010-12-31 2015-01-28 北京大学 一种图像四色黑转换为单色黑的方法及系统
CN103425954B (zh) * 2012-05-15 2016-05-25 仪鼎半导体股份有限公司 扫描演算方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62230163A (ja) * 1986-03-31 1987-10-08 Canon Inc 画像処理装置
DE69132230T2 (de) * 1990-01-19 2000-11-09 Canon K.K., Tokio/Tokyo Farbbildverarbeitungsanordnung
US5122883A (en) * 1990-03-02 1992-06-16 Xerographic Laser Images Corporation Raster scanning engine driver which independently locates engine drive signal transitions within each pixel
JPH0580862A (ja) * 1991-09-20 1993-04-02 Hitachi Ltd 機器の予熱方式
EP0564868A3 (en) * 1992-04-06 1993-11-10 Konishiroku Photo Ind Image forming apparatus
JP3190220B2 (ja) * 1994-12-20 2001-07-23 シャープ株式会社 撮像装置

Also Published As

Publication number Publication date
DE69809143T2 (de) 2003-07-24
EP0892551A3 (de) 1999-12-29
EP0892551B1 (de) 2002-11-06
EP0892551A2 (de) 1999-01-20
CN1207628A (zh) 1999-02-10
CN1183738C (zh) 2005-01-05
US6025586A (en) 2000-02-15
JPH1141473A (ja) 1999-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8339 Ceased/non-payment of the annual fee