DE69230631T2 - Verfahren zum Vergleichen von Wortgestalten - Google Patents

Verfahren zum Vergleichen von Wortgestalten

Info

Publication number
DE69230631T2
DE69230631T2 DE69230631T DE69230631T DE69230631T2 DE 69230631 T2 DE69230631 T2 DE 69230631T2 DE 69230631 T DE69230631 T DE 69230631T DE 69230631 T DE69230631 T DE 69230631T DE 69230631 T2 DE69230631 T2 DE 69230631T2
Authority
DE
Germany
Prior art keywords
word shapes
comparing word
comparing
shapes
word
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
DE69230631T
Other languages
English (en)
Other versions
DE69230631D1 (de
Inventor
Daniel P Huttenlocher
Michael J Hopcroft
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
Application granted granted Critical
Publication of DE69230631D1 publication Critical patent/DE69230631D1/de
Publication of DE69230631T2 publication Critical patent/DE69230631T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/754—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries involving a deformation of the sample pattern or of the reference pattern; Elastic matching
DE69230631T 1991-11-19 1992-11-16 Verfahren zum Vergleichen von Wortgestalten Expired - Fee Related DE69230631T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79516991A 1991-11-19 1991-11-19

Publications (2)

Publication Number Publication Date
DE69230631D1 DE69230631D1 (de) 2000-03-09
DE69230631T2 true DE69230631T2 (de) 2000-07-20

Family

ID=25164883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230631T Expired - Fee Related DE69230631T2 (de) 1991-11-19 1992-11-16 Verfahren zum Vergleichen von Wortgestalten

Country Status (4)

Country Link
US (1) US5687253A (de)
EP (1) EP0543590B1 (de)
JP (2) JP3576570B2 (de)
DE (1) DE69230631T2 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313527A (en) * 1991-06-07 1994-05-17 Paragraph International Method and apparatus for recognizing cursive writing from sequential input information
JPH0756956A (ja) * 1993-07-22 1995-03-03 Xerox Corp 人間の作成したイメージに基づくデータアクセス方法
US5891282A (en) * 1994-08-26 1999-04-06 E-Z Taping System, Inc. Method for taping a wall board joint
US5999647A (en) * 1995-04-21 1999-12-07 Matsushita Electric Industrial Co., Ltd. Character extraction apparatus for extracting character data from a text image
JPH0991380A (ja) * 1995-09-21 1997-04-04 Canon Inc 情報処理装置及び方法及び記憶媒体
US6202068B1 (en) * 1998-07-02 2001-03-13 Thomas A. Kraay Database display and search method
US6529643B1 (en) 1998-12-21 2003-03-04 Xerox Corporation System for electronic compensation of beam scan trajectory distortion
US6393395B1 (en) 1999-01-07 2002-05-21 Microsoft Corporation Handwriting and speech recognizer using neural network with separate start and continuation output scores
US6542635B1 (en) * 1999-09-08 2003-04-01 Lucent Technologies Inc. Method for document comparison and classification using document image layout
US6640010B2 (en) * 1999-11-12 2003-10-28 Xerox Corporation Word-to-word selection on images
US6735337B2 (en) * 2001-02-02 2004-05-11 Shih-Jong J. Lee Robust method for automatic reading of skewed, rotated or partially obscured characters
US6876778B2 (en) * 2002-03-11 2005-04-05 Sunplus Technology Co., Ltd. Edge enhancement method and apparatus in digital image scalar-up circuit
JP2004038321A (ja) * 2002-06-28 2004-02-05 Fujitsu Ltd 文書レイアウト解析プログラム、文書レイアウト解析装置および文書レイアウト解析方法
RU2234126C2 (ru) * 2002-09-09 2004-08-10 Аби Софтвер Лтд. Способ распознавания текста с применением настраиваемого классификатора
US20040146200A1 (en) * 2003-01-29 2004-07-29 Lockheed Martin Corporation Segmenting touching characters in an optical character recognition system to provide multiple segmentations
US7283669B2 (en) * 2003-01-29 2007-10-16 Lockheed Martin Corporation Fine segmentation refinement for an optical character recognition system
JP2006279308A (ja) * 2005-03-28 2006-10-12 Toshiba Corp 情報処理装置および画像処理方法
JP4958497B2 (ja) * 2006-08-07 2012-06-20 キヤノン株式会社 位置姿勢測定装置及び位置姿勢測定方法、複合現実感提示システム、コンピュータプログラム及び記憶媒体
US8098939B2 (en) * 2006-12-04 2012-01-17 Trend Micro Incorporated Adversarial approach for identifying inappropriate text content in images
US8254692B2 (en) * 2007-07-23 2012-08-28 Hewlett-Packard Development Company, L.P. Document comparison method and apparatus
US8244062B2 (en) * 2007-10-22 2012-08-14 Hewlett-Packard Development Company, L.P. Correction of distortion in captured images
JP4902568B2 (ja) * 2008-02-19 2012-03-21 キヤノン株式会社 電子文書生成装置、電子文書生成方法、コンピュータプログラム、および記憶媒体
EP2449531B1 (de) * 2009-07-02 2017-12-20 Hewlett-Packard Development Company, L.P. Versatzdetektion
US8463041B2 (en) * 2010-01-26 2013-06-11 Hewlett-Packard Development Company, L.P. Word-based document image compression
US8665329B2 (en) * 2010-06-11 2014-03-04 Gianni Arcaini Apparatus for automatically ignoring cast self shadows to increase the effectiveness of video analytics based surveillance systems
US9158983B2 (en) 2010-07-08 2015-10-13 E-Image Data Corporation Microform word search method and apparatus
US8208726B2 (en) 2010-07-22 2012-06-26 Hewlett-Packard Development Company, L.P. Method and system for optical character recognition using image clustering
JP5636807B2 (ja) * 2010-08-12 2014-12-10 富士ゼロックス株式会社 画像処理装置及びプログラム
JP5948866B2 (ja) * 2011-12-27 2016-07-06 富士ゼロックス株式会社 画像処理装置及びプログラム
US20130298068A1 (en) * 2012-01-31 2013-11-07 Samsung Electronics Co., Ltd. Contents display method and mobile terminal implementing the same
JP5884560B2 (ja) * 2012-03-05 2016-03-15 オムロン株式会社 文字認識のための画像処理方法、およびこの方法を用いた文字認識装置およびプログラム
US9245205B1 (en) 2013-10-16 2016-01-26 Xerox Corporation Supervised mid-level features for word image representation
KR102240279B1 (ko) * 2014-04-21 2021-04-14 삼성전자주식회사 컨텐트 처리 방법 및 그 전자 장치
JP6208094B2 (ja) * 2014-08-26 2017-10-04 株式会社東芝 情報処理装置、情報処理システム、情報処理方法及びそのプログラム
US9454695B2 (en) * 2014-10-22 2016-09-27 Xerox Corporation System and method for multi-view pattern matching
JP6548920B2 (ja) 2015-03-09 2019-07-24 株式会社東芝 情報処理装置、情報処理方法及びプログラム
JP2017021695A (ja) 2015-07-14 2017-01-26 株式会社東芝 情報処理装置および情報処理方法
US10402673B1 (en) 2018-10-04 2019-09-03 Capital One Services, Llc Systems and methods for digitized document image data spillage recovery
CN109614971B (zh) * 2018-12-05 2023-04-18 山东政法学院 一种比对式文件检验仪
JP7242331B2 (ja) * 2019-02-18 2023-03-20 株式会社東芝 情報処理装置及びプログラム
TWI702547B (zh) * 2019-07-03 2020-08-21 利凌企業股份有限公司 車牌辨識方法及其系統
US11074473B1 (en) 2020-01-21 2021-07-27 Capital One Services, Llc Systems and methods for digitized document image text contouring
US11769323B2 (en) * 2021-02-02 2023-09-26 Google Llc Generating assistive indications based on detected characters
CN113642127B (zh) * 2021-08-13 2024-03-01 合肥工业大学 一种轴向移动绳索设备振动和能量的多周期计算方法

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905927A (en) * 1956-11-14 1959-09-22 Stanley F Reed Method and apparatus for recognizing words
US3127588A (en) * 1959-04-24 1964-03-31 Bell Telephone Labor Inc Automatic reading of cursive script
US3133266A (en) * 1960-06-14 1964-05-12 Bell Telephone Labor Inc Automatic recognition of handwriting
US3295105A (en) * 1964-08-27 1966-12-27 Sylvania Electric Prod Scan control and normalization for a character recognition system
US3755780A (en) * 1971-06-28 1973-08-28 Pattern Analysis & Recognition Method for recognizing characters
GB1401008A (en) * 1971-08-17 1975-07-16 Mullared Ltd Character recognition apparatus
JPS5729745B2 (de) * 1974-09-25 1982-06-24
US4105998A (en) * 1976-03-30 1978-08-08 Fujitsu Limited Pattern recognition processing system
US4155072A (en) * 1976-12-17 1979-05-15 Ricoh Company, Ltd. Character recognition apparatus
US4326190A (en) * 1978-08-30 1982-04-20 Borland David L Boundary trace slope feature detection system
US4377803A (en) * 1980-07-02 1983-03-22 International Business Machines Corporation Algorithm for the segmentation of printed fixed pitch documents
US4400828A (en) * 1981-03-27 1983-08-23 Bell Telephone Laboratories, Incorporated Word recognizer
US4495644A (en) * 1981-04-27 1985-01-22 Quest Automation Public Limited Company Apparatus for signature verification
JPS5947666A (ja) * 1982-09-13 1984-03-17 Dainippon Screen Mfg Co Ltd ２値画像のデ−タ圧縮方法
US4499499A (en) * 1982-12-29 1985-02-12 International Business Machines Corporation Method for identification and compression of facsimile symbols in text processing systems
US4558461A (en) * 1983-06-17 1985-12-10 Litton Systems, Inc. Text line bounding system
US4864628A (en) * 1983-08-26 1989-09-05 Texas Instruments Incorporated Method of optical character recognition
US4741045A (en) * 1983-09-23 1988-04-26 Dest Corporation Optical character isolation system, apparatus and method
US4701960A (en) * 1983-10-28 1987-10-20 Texas Instruments Incorporated Signature verification
DE3515159A1 (de) * 1984-04-27 1985-10-31 Canon K.K., Tokio/Tokyo Bildverarbeitungseinrichtung
DE3523042A1 (de) * 1984-06-28 1986-01-02 Canon K.K., Tokio/Tokyo Bildverarbeitungssystem
US4731857A (en) * 1984-06-29 1988-03-15 International Business Machines Corporation Recognition system for run-on handwritten characters
JPS61188681A (ja) * 1985-02-15 1986-08-22 Matsushita Electric Ind Co Ltd 文字認識装置
EP0194331B1 (de) * 1985-03-14 1990-07-18 Toppan Printing Co., Ltd. Einrichtung zum Überprüfen von Abdrücken
US4764972A (en) * 1985-05-23 1988-08-16 Nec Corporation Continuous characters recognition system
US4918740A (en) * 1985-10-01 1990-04-17 Palantir Corporation Processing means for use in an optical character recognition system
US4817166A (en) * 1986-05-05 1989-03-28 Perceptics Corporation Apparatus for reading a license plate
DE3716787A1 (de) * 1986-05-19 1987-11-26 Ricoh Kk Zeichenerkennungsverfahren
JP3014097B2 (ja) * 1987-02-20 2000-02-28 株式会社日立製作所 輪郭追跡方法及びシステム
JPS63268081A (ja) * 1987-04-17 1988-11-04 インタ−ナショナル・ビジネス・マシ−ンズ・コ−ポレ−ション 文書の文字を認識する方法及び装置
US4949281A (en) * 1987-04-23 1990-08-14 H. Berthold Ag Method and apparatus for generating and producing two-dimensional graphic object by polynominal parametric curves
JP2667435B2 (ja) * 1987-05-01 1997-10-27 株式会社リコー 領域抽出方法
US4809344A (en) * 1987-05-11 1989-02-28 Nippon Sheet Glass Co., Ltd. Apparatus for preprocessing of character recognition
JP2619429B2 (ja) * 1987-11-05 1997-06-11 グローリー工業株式会社 接触文字の分離方法
US5031225A (en) * 1987-12-09 1991-07-09 Ricoh Company, Ltd. Character recognition method for recognizing character in an arbitrary rotation position
JPH01183793A (ja) * 1988-01-18 1989-07-21 Toshiba Corp 文字認識装置
US4998285A (en) * 1988-03-11 1991-03-05 Kabushiki Kaisha Toshiba Character recognition apparatus
JPH06101049B2 (ja) * 1988-03-25 1994-12-12 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 文字列検出方法
JP2597006B2 (ja) * 1989-04-18 1997-04-02 シャープ株式会社 矩形座標抽出方法
JP2930612B2 (ja) * 1989-10-05 1999-08-03 株式会社リコー 画像形成装置
US5187753A (en) * 1989-12-08 1993-02-16 Xerox Corporation Method and apparatus for identification and correction of document skew
US5048109A (en) * 1989-12-08 1991-09-10 Xerox Corporation Detection of highlighted regions
US5129014A (en) * 1989-12-08 1992-07-07 Xerox Corporation Image registration
US5212739A (en) * 1990-10-17 1993-05-18 Hewlett-Packard Company Noise tolerant optical character recognition system
US5216725A (en) * 1990-10-31 1993-06-01 Environmental Research Institute Of Michigan Apparatus and method for separating handwritten characters by line and word

Also Published As

Publication number Publication date
JP2003157409A (ja) 2003-05-30
US5687253A (en) 1997-11-11
EP0543590A2 (de) 1993-05-26
JPH05282495A (ja) 1993-10-29
EP0543590B1 (de) 2000-02-02
JP3576570B2 (ja) 2004-10-13
EP0543590A3 (en) 1994-05-18
JP3453134B2 (ja) 2003-10-06
DE69230631D1 (de) 2000-03-09

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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