DE69519256T2 - Verfahrenund Gerät zur Informationsverarbeitung und rechnerlesbares Speichermedium - Google Patents

Verfahrenund Gerät zur Informationsverarbeitung und rechnerlesbares Speichermedium

Info

Publication number
DE69519256T2
DE69519256T2 DE69519256T DE69519256T DE69519256T2 DE 69519256 T2 DE69519256 T2 DE 69519256T2 DE 69519256 T DE69519256 T DE 69519256T DE 69519256 T DE69519256 T DE 69519256T DE 69519256 T2 DE69519256 T2 DE 69519256T2
Authority
DE
Germany
Prior art keywords
character
image data
character codes
codes
candidate
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
DE69519256T
Other languages
German (de)
English (en)
Other versions
DE69519256D1 (de
Inventor
Katsumi Masaki
Hirotaka Shiiyama
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69519256D1 publication Critical patent/DE69519256D1/de
Publication of DE69519256T2 publication Critical patent/DE69519256T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/26—Techniques for post-processing, e.g. correcting the recognition result
    • G06V30/262—Techniques for post-processing, e.g. correcting the recognition result using context analysis, e.g. lexical, syntactic or semantic context
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
DE69519256T 1994-06-16 1995-06-14 Verfahrenund Gerät zur Informationsverarbeitung und rechnerlesbares Speichermedium Expired - Lifetime DE69519256T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6134194A JPH087033A (ja) 1994-06-16 1994-06-16 情報処理方法及び装置

Publications (2)

Publication Number Publication Date
DE69519256D1 DE69519256D1 (de) 2000-12-07
DE69519256T2 true DE69519256T2 (de) 2001-04-05

Family

ID=15122638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69519256T Expired - Lifetime DE69519256T2 (de) 1994-06-16 1995-06-14 Verfahrenund Gerät zur Informationsverarbeitung und rechnerlesbares Speichermedium

Country Status (5)

Country Link
US (1) US5905811A (https=)
EP (1) EP0687991B1 (https=)
JP (1) JPH087033A (https=)
CN (1) CN1106620C (https=)
DE (1) DE69519256T2 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6327387B1 (en) * 1996-12-27 2001-12-04 Fujitsu Limited Apparatus and method for extracting management information from image
JP3566478B2 (ja) * 1996-12-27 2004-09-15 キヤノン株式会社 文書セキュリティ管理システム、文書セキュリティ管理方法および文書検索装置
US6678683B1 (en) 1996-12-27 2004-01-13 Canon Kabushiki Kaisha Document management system using an access-limited character train and password, and a method and computer-readable medium therefor
US6269188B1 (en) * 1998-03-12 2001-07-31 Canon Kabushiki Kaisha Word grouping accuracy value generation
US6243501B1 (en) 1998-05-20 2001-06-05 Canon Kabushiki Kaisha Adaptive recognition of documents using layout attributes
JP4421134B2 (ja) * 2001-04-18 2010-02-24 富士通株式会社 文書画像検索装置
JP4125273B2 (ja) * 2004-08-24 2008-07-30 キヤノン株式会社 画像処理装置及びその方法、プログラム
JP4561474B2 (ja) * 2005-05-24 2010-10-13 株式会社日立製作所 電子化文書保管システム
CN100356392C (zh) * 2005-08-18 2007-12-19 北大方正集团有限公司 一种字符识别的后处理方法
US8155444B2 (en) * 2007-01-15 2012-04-10 Microsoft Corporation Image text to character information conversion
JP2010146185A (ja) * 2008-12-17 2010-07-01 Sharp Corp 画像処理装置、画像読取装置、画像送信装置、画像処理方法、プログラムおよびその記録媒体
US8280196B2 (en) * 2009-05-12 2012-10-02 Canon Kabushiki Kaisha Image retrieval apparatus, control method for the same, and storage medium
JP5230525B2 (ja) * 2009-05-25 2013-07-10 キヤノン株式会社 画像検索装置およびその方法
JP5507962B2 (ja) * 2009-11-05 2014-05-28 キヤノン株式会社 情報処理装置及びその制御方法、プログラム
CN101788849B (zh) * 2009-12-31 2011-11-16 优视科技有限公司 一种用于移动通讯设备系统的光学字符识别输入方法
JP5820236B2 (ja) 2011-10-28 2015-11-24 キヤノン株式会社 画像処理装置及びその制御方法
CN103697838A (zh) * 2013-12-24 2014-04-02 天津森宇科技发展有限公司 一种基于机器视觉技术的贴片件pin针平整度检测设备
JP7017027B2 (ja) 2017-03-17 2022-02-08 富士フイルムビジネスイノベーション株式会社 検索装置、検索プログラム、および検索システム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930077A (en) * 1987-04-06 1990-05-29 Fan David P Information processing expert system for text analysis and predicting public opinion based information available to the public
WO1990001198A1 (fr) * 1988-07-20 1990-02-08 Fujitsu Limited Dispositif de reconnaissance de caracteres
US5265174A (en) * 1989-03-03 1993-11-23 Canon Kabushiki Kaisha Pattern recognition apparatus
US5261112A (en) * 1989-09-08 1993-11-09 Casio Computer Co., Ltd. Spelling check apparatus including simple and quick similar word retrieval operation
US5134669A (en) * 1990-06-13 1992-07-28 National Computer Systems Image processing system for documentary data
US5369577A (en) * 1991-02-01 1994-11-29 Wang Laboratories, Inc. Text searching system
US5237627A (en) * 1991-06-27 1993-08-17 Hewlett-Packard Company Noise tolerant optical character recognition system
US5703962A (en) * 1991-08-29 1997-12-30 Canon Kabushiki Kaisha Image processing method and apparatus
JP3190074B2 (ja) * 1991-09-11 2001-07-16 株式会社東芝 手書き入力装置
US5315668A (en) * 1991-11-27 1994-05-24 The United States Of America As Represented By The Secretary Of The Air Force Offline text recognition without intraword character segmentation based on two-dimensional low frequency discrete Fourier transforms
EP0555024B1 (en) * 1992-02-07 2000-05-17 Canon Kabushiki Kaisha Method and apparatus for pattern recognition
US5454046A (en) * 1993-09-17 1995-09-26 Penkey Corporation Universal symbolic handwriting recognition system
US5524066A (en) * 1994-03-31 1996-06-04 Xerox Corporation Text recognition by predictive composed shapes

Also Published As

Publication number Publication date
EP0687991B1 (en) 2000-11-02
CN1121605A (zh) 1996-05-01
JPH087033A (ja) 1996-01-12
EP0687991A2 (en) 1995-12-20
EP0687991A3 (https=) 1996-01-03
DE69519256D1 (de) 2000-12-07
CN1106620C (zh) 2003-04-23
US5905811A (en) 1999-05-18

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Legal Events

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