DE69809164T2 - Verfahren und Vorrichtung zur Bildverarbeitung - Google Patents

Verfahren und Vorrichtung zur Bildverarbeitung

Info

Publication number
DE69809164T2
DE69809164T2 DE69809164T DE69809164T DE69809164T2 DE 69809164 T2 DE69809164 T2 DE 69809164T2 DE 69809164 T DE69809164 T DE 69809164T DE 69809164 T DE69809164 T DE 69809164T DE 69809164 T2 DE69809164 T2 DE 69809164T2
Authority
DE
Germany
Prior art keywords
image processing
processing method
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 - Lifetime
Application number
DE69809164T
Other languages
English (en)
Other versions
DE69809164D1 (de
Inventor
Yasushi Adachi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69809164D1 publication Critical patent/DE69809164D1/de
Publication of DE69809164T2 publication Critical patent/DE69809164T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
DE69809164T 1997-09-11 1998-08-25 Verfahren und Vorrichtung zur Bildverarbeitung Expired - Lifetime DE69809164T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24733597A JP3512604B2 (ja) 1997-09-11 1997-09-11 画像処理装置、および、そのプログラムを記録した記録媒体

Publications (2)

Publication Number Publication Date
DE69809164D1 DE69809164D1 (de) 2002-12-12
DE69809164T2 true DE69809164T2 (de) 2003-07-24

Family

ID=17161884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809164T Expired - Lifetime DE69809164T2 (de) 1997-09-11 1998-08-25 Verfahren und Vorrichtung zur Bildverarbeitung

Country Status (4)

Country Link
US (1) US6111982A (de)
EP (1) EP0902585B1 (de)
JP (1) JP3512604B2 (de)
DE (1) DE69809164T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3639452B2 (ja) * 1999-02-12 2005-04-20 シャープ株式会社 画像処理装置
US7110599B1 (en) 1999-03-05 2006-09-19 Seiko Epson Corporation Image data retouching apparatus, image data retouching method, and medium on which image data retouching program is recorded
JP2000333014A (ja) * 1999-05-20 2000-11-30 Minolta Co Ltd 画像処理装置および画像処理方法並びに画像処理手順を記憶したコンピュータ読み取り可能な記憶媒体
JP3611742B2 (ja) 1999-05-31 2005-01-19 シャープ株式会社 画像処理装置
JP3625160B2 (ja) 1999-10-14 2005-03-02 シャープ株式会社 画像処理装置
JP2002247025A (ja) * 2001-02-22 2002-08-30 Hitachi Ltd 情報処理装置
US6903782B2 (en) * 2001-03-28 2005-06-07 Koninklijke Philips Electronics N.V. System and method for performing segmentation-based enhancements of a video image
US6690828B2 (en) * 2001-04-09 2004-02-10 Gary Elliott Meyers Method for representing and comparing digital images
CN100405388C (zh) * 2004-05-14 2008-07-23 欧姆龙株式会社 特定被摄体检测装置
US20060165287A1 (en) * 2005-01-27 2006-07-27 Destiny Technology Corporation Photo and text discriminating method
JP4135752B2 (ja) * 2006-06-12 2008-08-20 コニカミノルタビジネステクノロジーズ株式会社 画像処理装置、画像処理方法及び画像処理プログラム
JP4963645B2 (ja) * 2007-07-27 2012-06-27 キヤノン株式会社 画像処理装置及び方法
KR101214772B1 (ko) * 2010-02-26 2012-12-21 삼성전자주식회사 문자의 방향성을 기반으로 한 문자 인식 장치 및 방법

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554593A (en) * 1981-01-02 1985-11-19 International Business Machines Corporation Universal thresholder/discriminator
US4907285A (en) * 1984-08-24 1990-03-06 Hitachi, Ltd. Image understanding system
JPS61141264A (ja) * 1984-12-14 1986-06-28 Canon Inc 画像処理装置
GB2170373B (en) * 1984-12-28 1989-03-15 Canon Kk Image processing apparatus
EP0187724B1 (de) * 1985-01-10 1992-09-30 Nippon Telegraph And Telephone Corporation Halbtonbildverarbeitungseinrichtung
JPS63246076A (ja) * 1987-03-31 1988-10-13 Fuji Xerox Co Ltd フイルタ処理装置
JP2702928B2 (ja) * 1987-06-19 1998-01-26 株式会社日立製作所 画像入力装置
US5001767A (en) * 1987-11-30 1991-03-19 Kabushiki Kaisha Toshiba Image processing device
JPH0286369A (ja) * 1988-09-22 1990-03-27 Toshiba Corp 画像処理装置
JP2513002B2 (ja) * 1988-10-31 1996-07-03 富士ゼロックス株式会社 中間調画像生成装置
DE69023381T2 (de) * 1989-04-10 1996-06-13 Canon Kk Bildverkleinerungsgerät.
US5195147A (en) * 1989-05-02 1993-03-16 Ricoh Company, Ltd. Image forming apparatus
US5668646A (en) * 1990-02-06 1997-09-16 Canon Kabushiki Kaisha Apparatus and method for decoding differently encoded multi-level and binary image data, the later corresponding to a color in the original image
JP3437226B2 (ja) * 1993-10-20 2003-08-18 キヤノン株式会社 画像処理方法及び装置
JP3373008B2 (ja) * 1993-10-20 2003-02-04 オリンパス光学工業株式会社 画像像域分離装置
JP3636332B2 (ja) * 1993-12-24 2005-04-06 セイコーエプソン株式会社 画像処理方法および画像処理装置
JP3215768B2 (ja) * 1994-03-24 2001-10-09 株式会社東芝 画像処理装置
US5587808A (en) * 1994-05-31 1996-12-24 Nec Corporation Image processing apparatus for identifying character, photo and dot images in image area
JP3207690B2 (ja) * 1994-10-27 2001-09-10 シャープ株式会社 画像処理装置
US5729627A (en) * 1994-11-16 1998-03-17 Mita Industrial Co., Ltd. Apparatus for and method of judging dotted image area

Also Published As

Publication number Publication date
US6111982A (en) 2000-08-29
EP0902585B1 (de) 2002-11-06
EP0902585A3 (de) 1999-12-08
JPH1188664A (ja) 1999-03-30
DE69809164D1 (de) 2002-12-12
JP3512604B2 (ja) 2004-03-31
EP0902585A2 (de) 1999-03-17

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Legal Events

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