DE69823110D1 - Verfahren zur Dokumentwiedergabe und Zeichenextrahierung - Google Patents

Verfahren zur Dokumentwiedergabe und Zeichenextrahierung

Info

Publication number
DE69823110D1
DE69823110D1 DE69823110T DE69823110T DE69823110D1 DE 69823110 D1 DE69823110 D1 DE 69823110D1 DE 69823110 T DE69823110 T DE 69823110T DE 69823110 T DE69823110 T DE 69823110T DE 69823110 D1 DE69823110 D1 DE 69823110D1
Authority
DE
Germany
Prior art keywords
extraction methods
character extraction
document rendering
rendering
document
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
DE69823110T
Other languages
English (en)
Other versions
DE69823110T2 (de
Inventor
John C Handley
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of DE69823110D1 publication Critical patent/DE69823110D1/de
Application granted granted Critical
Publication of DE69823110T2 publication Critical patent/DE69823110T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
DE69823110T 1997-08-04 1998-07-17 Verfahren zur Dokumentwiedergabe und Zeichenextrahierung Expired - Lifetime DE69823110T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/905,610 US6023534A (en) 1997-08-04 1997-08-04 Method of extracting image data from an area generated with a halftone pattern
US905610 1997-08-04

Publications (2)

Publication Number Publication Date
DE69823110D1 true DE69823110D1 (de) 2004-05-19
DE69823110T2 DE69823110T2 (de) 2004-08-19

Family

ID=25421137

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823110T Expired - Lifetime DE69823110T2 (de) 1997-08-04 1998-07-17 Verfahren zur Dokumentwiedergabe und Zeichenextrahierung

Country Status (4)

Country Link
US (1) US6023534A (de)
EP (1) EP0896294B1 (de)
JP (1) JPH11110481A (de)
DE (1) DE69823110T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330357B1 (en) * 1999-04-07 2001-12-11 Raf Technology, Inc. Extracting user data from a scanned image of a pre-printed form
US6654487B1 (en) * 2000-03-03 2003-11-25 Charles H. Downs, Jr. Character recognition, including method and system for processing checks with invalidated MICR lines
US6950553B1 (en) * 2000-03-23 2005-09-27 Cardiff Software, Inc. Method and system for searching form features for form identification
JP4189506B2 (ja) * 2000-06-09 2008-12-03 コニカミノルタビジネステクノロジーズ株式会社 画像処理のための装置、方法及び記録媒体
JP3867512B2 (ja) * 2000-06-29 2007-01-10 富士ゼロックス株式会社 画像処理装置および画像処理方法、並びにプログラム
US6873728B2 (en) * 2002-01-16 2005-03-29 Eastman Kodak Company Vertical black line removal implementation
JP2004145072A (ja) * 2002-10-25 2004-05-20 Riso Kagaku Corp 手書き文字フォント作成装置及び手書き文字フォント作成プログラム
US7487438B1 (en) * 2005-03-08 2009-02-03 Pegasus Imaging Corporation Method and apparatus for recognizing a digitized form, extracting information from a filled-in form, and generating a corrected filled-in form
JP5075054B2 (ja) * 2008-08-08 2012-11-14 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム
US8373724B2 (en) 2009-01-28 2013-02-12 Google Inc. Selective display of OCR'ed text and corresponding images from publications on a client device
US8442813B1 (en) 2009-02-05 2013-05-14 Google Inc. Methods and systems for assessing the quality of automatically generated text
US8731296B2 (en) 2011-04-21 2014-05-20 Seiko Epson Corporation Contact text detection in scanned images
US10607101B1 (en) 2016-12-14 2020-03-31 Revenue Management Solutions, Llc System and method for patterned artifact removal for bitonal images
US11526571B2 (en) * 2019-09-12 2022-12-13 International Business Machines Corporation Requesting an IP address using a non-textual based graphical resource identifier

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582884A (en) * 1968-01-30 1971-06-01 Cognitronics Corp Multiple-scanner character reading system
US4034343A (en) * 1976-10-01 1977-07-05 Xerox Corporation Optical character recognition system
US4400738A (en) * 1981-10-30 1983-08-23 Xerox Corporation Image signal processing method and apparatus
US5140650A (en) * 1989-02-02 1992-08-18 International Business Machines Corporation Computer-implemented method for automatic extraction of data from printed forms
JP2865697B2 (ja) * 1989-03-20 1999-03-08 株式会社日立製作所 エクスチャ分離方法
US5131049A (en) * 1989-12-08 1992-07-14 Xerox Corporation Identification, characterization, and segmentation of halftone or stippled regions of binary images by growing a seed to a clipping mask
EP0461817A3 (en) * 1990-06-15 1993-11-18 American Telephone & Telegraph Image segmenting apparatus and methods
DE69130469T2 (de) * 1990-08-03 1999-05-06 Canon Kk Gerät und Verfahren zur Bildverarbeitung
US5617485A (en) * 1990-08-15 1997-04-01 Ricoh Company, Ltd. Image region segmentation system
US5696842A (en) * 1991-07-04 1997-12-09 Ricoh Company, Ltd. Image processing system for adaptive coding of color document images
US5392365A (en) * 1991-12-23 1995-02-21 Eastman Kodak Company Apparatus for detecting text edges in digital image processing
US5317646A (en) * 1992-03-24 1994-05-31 Xerox Corporation Automated method for creating templates in a forms recognition and processing system
US5680479A (en) * 1992-04-24 1997-10-21 Canon Kabushiki Kaisha Method and apparatus for character recognition
DE69331456T2 (de) * 1992-10-09 2002-11-07 Matsushita Electric Ind Co Ltd Überprüfbare optische Zeichenerkennung
JP3359390B2 (ja) * 1993-09-27 2002-12-24 株式会社リコー 空間フィルタ装置
US5542007A (en) * 1993-10-27 1996-07-30 International Business Machines Corporation Form dropout compression method which handles form white-out and writing in shaded and white-out areas of the form
FR2737930B1 (fr) * 1995-08-18 1997-10-31 Itesoft Procede et systeme de reconnaissance de caracteres manuscrits
US5815595A (en) * 1995-12-29 1998-09-29 Seiko Epson Corporation Method and apparatus for identifying text fields and checkboxes in digitized images

Also Published As

Publication number Publication date
JPH11110481A (ja) 1999-04-23
US6023534A (en) 2000-02-08
EP0896294A2 (de) 1999-02-10
EP0896294A3 (de) 1999-11-03
DE69823110T2 (de) 2004-08-19
EP0896294B1 (de) 2004-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)