DE69934799D1 - Verfahren und vorrichtung for bildklassifizierung und detektion von gerasterten bildbereichen - Google Patents

Verfahren und vorrichtung for bildklassifizierung und detektion von gerasterten bildbereichen

Info

Publication number
DE69934799D1
DE69934799D1 DE69934799T DE69934799T DE69934799D1 DE 69934799 D1 DE69934799 D1 DE 69934799D1 DE 69934799 T DE69934799 T DE 69934799T DE 69934799 T DE69934799 T DE 69934799T DE 69934799 D1 DE69934799 D1 DE 69934799D1
Authority
DE
Germany
Prior art keywords
image
detection
jammed
range
classification
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
DE69934799T
Other languages
English (en)
Other versions
DE69934799T2 (de
Inventor
J Karidi
Niklas Nordstrom
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.)
Electronics for Imaging Inc
Original Assignee
Electronics for Imaging Inc
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 Electronics for Imaging Inc filed Critical Electronics for Imaging Inc
Application granted granted Critical
Publication of DE69934799D1 publication Critical patent/DE69934799D1/de
Publication of DE69934799T2 publication Critical patent/DE69934799T2/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
    • H04N1/40—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)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Color Image Communication Systems (AREA)
DE69934799T 1998-07-07 1999-07-07 Verfahren und vorrichtung for bildklassifizierung und detektion von gerasterten bildbereichen Expired - Fee Related DE69934799T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US111047 1980-01-10
US09/111,047 US6185335B1 (en) 1998-07-07 1998-07-07 Method and apparatus for image classification and halftone detection
PCT/US1999/015354 WO2000002378A1 (en) 1998-07-07 1999-07-07 Method and apparatus for image classification and halftone detection

Publications (2)

Publication Number Publication Date
DE69934799D1 true DE69934799D1 (de) 2007-02-22
DE69934799T2 DE69934799T2 (de) 2007-10-11

Family

ID=22336325

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69934799T Expired - Fee Related DE69934799T2 (de) 1998-07-07 1999-07-07 Verfahren und vorrichtung for bildklassifizierung und detektion von gerasterten bildbereichen

Country Status (8)

Country Link
US (1) US6185335B1 (de)
EP (1) EP1093697B1 (de)
JP (1) JP2003505893A (de)
AU (1) AU741883B2 (de)
BR (1) BR9912527A (de)
CA (1) CA2331373A1 (de)
DE (1) DE69934799T2 (de)
WO (1) WO2000002378A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7148998B2 (en) * 2002-05-31 2006-12-12 Hewlett-Packard Development Company, L.P. System and method for automatic descreening of digital images
US7313268B2 (en) * 2002-10-31 2007-12-25 Eastman Kodak Company Method for using effective spatio-temporal image recomposition to improve scene classification
US20040264769A1 (en) * 2003-06-30 2004-12-30 Xerox Corporation Systems and methods for associating color profiles with a scanned input image using spatial attributes
US20040264770A1 (en) * 2003-06-30 2004-12-30 Xerox Corporation Systems and methods for associating color profiles with a scanned input image using spatial attributes
US7453604B2 (en) * 2003-06-30 2008-11-18 Xerox Corporation Systems and methods for estimating an image marking process using scanned image attributes
US20040264768A1 (en) * 2003-06-30 2004-12-30 Xerox Corporation Systems and methods for associating color profiles with a scanned input image using spatial attributes
US7474783B2 (en) * 2003-06-30 2009-01-06 Xerox Corporation Systems and methods for associating color profiles with a scanned input image using spatial attributes
US7336401B2 (en) * 2003-12-19 2008-02-26 Xerox Corporation Systems and methods for estimating an image marking process using event mapping of scanned image attributes
US7929161B2 (en) * 2004-04-15 2011-04-19 Hewlett-Packard Development Company, L.P. Image processing system and method
US7684079B2 (en) 2004-12-02 2010-03-23 Canon Kabushiki Kaisha Image forming apparatus and its control method
JP6078038B2 (ja) * 2014-10-31 2017-02-08 株式会社Pfu 画像処理装置、画像処理方法、および、プログラム
US9628635B1 (en) 2016-06-30 2017-04-18 Xerox Corporation Systems and methods for halftone frequency detection

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194221A (en) 1978-12-26 1980-03-18 Xerox Corporation Automatic multimode continuous halftone line copy reproduction
US4554593A (en) 1981-01-02 1985-11-19 International Business Machines Corporation Universal thresholder/discriminator
US4403257A (en) 1982-03-19 1983-09-06 Xerox Corporation Halftone detection and delineation
JPS5954376A (ja) 1982-09-21 1984-03-29 Konishiroku Photo Ind Co Ltd 画像処理方法
US4577235A (en) 1984-08-20 1986-03-18 The Mead Corporation Text/continuous tone image decision processor
EP0187724B1 (de) 1985-01-10 1992-09-30 Nippon Telegraph And Telephone Corporation Halbtonbildverarbeitungseinrichtung
JPS61225975A (ja) 1985-03-29 1986-10-07 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション ２値信号への変換方法
US5142593A (en) 1986-06-16 1992-08-25 Kabushiki Kaisha Toshiba Apparatus and method for classifying feature data at a high speed
JP2617469B2 (ja) 1987-05-11 1997-06-04 株式会社リコー 画像領域識別装置
JP2702928B2 (ja) 1987-06-19 1998-01-26 株式会社日立製作所 画像入力装置
JPH0286369A (ja) 1988-09-22 1990-03-27 Toshiba Corp 画像処理装置
JPH02165775A (ja) 1988-12-20 1990-06-26 Toshiba Corp 画像処理装置
US5268771A (en) 1989-02-15 1993-12-07 Hitachi, Ltd. Image restoration processing system and method
US5119185A (en) 1989-05-10 1992-06-02 Canon Kabushiki Kaisha Image processing apparatus including a minimum value signal detector unit
US5193122A (en) 1990-12-03 1993-03-09 Xerox Corporation High speed halftone detection technique
JP2871127B2 (ja) 1991-01-30 1999-03-17 三菱電機株式会社 画像処理装置及び方法
JP3276985B2 (ja) 1991-06-27 2002-04-22 ゼロックス・コーポレーション イメージピクセル処理方法
US5317419A (en) 1991-08-07 1994-05-31 Konica Corporation Image recognition apparatus
US5381241A (en) 1991-08-13 1995-01-10 Sharp Corporation Method for discriminating between figure and text areas of an image
US5410619A (en) 1991-09-03 1995-04-25 Ricoh Company, Ltd. Digital image processing apparatus for processing a variety of types of input image data
IL101029A (en) 1992-02-20 1996-01-19 Scitex Corp Ltd Method for identifying elephant type
JP2894113B2 (ja) 1992-11-04 1999-05-24 松下電器産業株式会社 画像クラスタリング装置
US5341226A (en) 1993-04-22 1994-08-23 Xerox Corporation Automatic image segmentation for color documents
US5339172A (en) 1993-06-11 1994-08-16 Xerox Corporation Apparatus and method for segmenting an input image in one of a plurality of modes
US5546474A (en) 1993-12-21 1996-08-13 Hewlett-Packard Company Detection of photo regions in digital images

Also Published As

Publication number Publication date
JP2003505893A (ja) 2003-02-12
DE69934799T2 (de) 2007-10-11
EP1093697A1 (de) 2001-04-25
BR9912527A (pt) 2001-05-02
US6185335B1 (en) 2001-02-06
AU741883B2 (en) 2001-12-13
EP1093697B1 (de) 2007-01-10
WO2000002378A1 (en) 2000-01-13
CA2331373A1 (en) 2000-01-13
AU4974099A (en) 2000-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee