DE69226846D1 - Verfahren zur Bestimmung von Wortgrenzen im Text - Google Patents

Verfahren zur Bestimmung von Wortgrenzen im Text

Info

Publication number
DE69226846D1
DE69226846D1 DE69226846T DE69226846T DE69226846D1 DE 69226846 D1 DE69226846 D1 DE 69226846D1 DE 69226846 T DE69226846 T DE 69226846T DE 69226846 T DE69226846 T DE 69226846T DE 69226846 D1 DE69226846 D1 DE 69226846D1
Authority
DE
Germany
Prior art keywords
text
procedure
word boundaries
determining word
determining
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
DE69226846T
Other languages
English (en)
Other versions
DE69226846T2 (de
Inventor
Daniel P Huttenlocher
Peter C Wayner
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 DE69226846D1 publication Critical patent/DE69226846D1/de
Publication of DE69226846T2 publication Critical patent/DE69226846T2/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
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
DE69226846T 1991-11-19 1992-11-16 Verfahren zur Bestimmung von Wortgrenzen im Text Expired - Fee Related DE69226846T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/794,392 US5321770A (en) 1991-11-19 1991-11-19 Method for determining boundaries of words in text

Publications (2)

Publication Number Publication Date
DE69226846D1 true DE69226846D1 (de) 1998-10-08
DE69226846T2 DE69226846T2 (de) 1999-03-04

Family

ID=25162514

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226846T Expired - Fee Related DE69226846T2 (de) 1991-11-19 1992-11-16 Verfahren zur Bestimmung von Wortgrenzen im Text

Country Status (4)

Country Link
US (2) US5321770A (de)
EP (1) EP0543593B1 (de)
JP (1) JP3343864B2 (de)
DE (1) DE69226846T2 (de)

Families Citing this family (164)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6434581B1 (en) * 1991-03-20 2002-08-13 Microsoft Corporation Script character processing method for interactively adjusting space between writing element
US5953735A (en) * 1991-03-20 1999-09-14 Forcier; Mitchell D. Script character processing method and system with bit-mapped document editing
US5220649A (en) * 1991-03-20 1993-06-15 Forcier Mitchell D Script/binary-encoded-character processing method and system with moving space insertion mode
US5452374A (en) * 1992-04-06 1995-09-19 Ricoh Corporation Skew detection and correction of a document image representation
US5590317A (en) * 1992-05-27 1996-12-31 Hitachi, Ltd. Document information compression and retrieval system and document information registration and retrieval method
DE69322457T2 (de) * 1992-09-03 1999-07-15 Hewlett Packard Co Automatische Sprachgrenzerkennung für ein Peripheriegerät, das eine Vielzahl von Steuersprachen unterstützt
US5594814A (en) * 1992-10-19 1997-01-14 Fast; Bruce B. OCR image preprocessing method for image enhancement of scanned documents
JP3272842B2 (ja) * 1992-12-17 2002-04-08 ゼロックス・コーポレーション プロセッサベースの判定方法
JP3422541B2 (ja) * 1992-12-17 2003-06-30 ゼロックス・コーポレーション キーワードのモデル化方法及び非キーワードｈｍｍの提供方法
US5438630A (en) * 1992-12-17 1995-08-01 Xerox Corporation Word spotting in bitmap images using word bounding boxes and hidden Markov models
DE69332750T2 (de) * 1993-01-11 2003-10-16 Canon Kk Gerät und Verfahren zur Bildverarbeitung
EP0609474A1 (de) * 1993-02-03 1994-08-10 International Business Machines Corporation Verfahren und Vorrichtung zum Umsetzen eines Bildes zur Klassifizierung oder Mustererkennung
US5517578A (en) * 1993-05-20 1996-05-14 Aha! Software Corporation Method and apparatus for grouping and manipulating electronic representations of handwriting, printing and drawings
US7203903B1 (en) * 1993-05-20 2007-04-10 Microsoft Corporation System and methods for spacing, storing and recognizing electronic representations of handwriting, printing and drawings
US5485566A (en) * 1993-10-29 1996-01-16 Xerox Corporation Method of finding columns in tabular documents
US5553168A (en) * 1994-01-21 1996-09-03 Texas Instruments Incorporated System and method for recognizing visual indicia
EP0677817B1 (de) * 1994-04-15 2000-11-08 Canon Kabushiki Kaisha System zur Seitensegmentierung und Zeichenerkennung
US5687254A (en) * 1994-06-06 1997-11-11 Xerox Corporation Searching and Matching unrecognized handwriting
JP3193240B2 (ja) * 1994-09-08 2001-07-30 株式会社東芝 画像処理装置
CA2154952A1 (en) * 1994-09-12 1996-03-13 Robert M. Ayers Method and apparatus for identifying words described in a page description language file
EP0702322B1 (de) * 1994-09-12 2002-02-13 Adobe Systems Inc. Verfahren und Gerät zur Identifikation von Wörtern, die in einem portablen elektronischen Dokument beschrieben sind
JP3805005B2 (ja) * 1994-11-09 2006-08-02 キヤノン株式会社 画像処理装置及び光学的文字認識装置及びそれらの方法
EP0723247B1 (de) 1995-01-17 1998-07-29 Eastman Kodak Company System und Verfahren zur Bewertung der Abbildung eines Formulars
US5852676A (en) * 1995-04-11 1998-12-22 Teraform Inc. Method and apparatus for locating and identifying fields within a document
US5689585A (en) * 1995-04-28 1997-11-18 Xerox Corporation Method for aligning a text image to a transcription of the image
US5774579A (en) * 1995-08-11 1998-06-30 Canon Kabushiki Kaisha Block selection system in which overlapping blocks are decomposed
US5638466A (en) * 1995-08-30 1997-06-10 Horizon Marketing Corporation Aka Wordwand Method and apparatus for deskewing images of symbols having a non-linear baseline
US5892842A (en) * 1995-12-14 1999-04-06 Xerox Corporation Automatic method of identifying sentence boundaries in a document image
US5850476A (en) * 1995-12-14 1998-12-15 Xerox Corporation Automatic method of identifying drop words in a document image without performing character recognition
US5848191A (en) * 1995-12-14 1998-12-08 Xerox Corporation Automatic method of generating thematic summaries from a document image without performing character recognition
US5754840A (en) * 1996-01-23 1998-05-19 Smartpatents, Inc. System, method, and computer program product for developing and maintaining documents which includes analyzing a patent application with regards to the specification and claims
US6091846A (en) * 1996-05-31 2000-07-18 Texas Instruments Incorporated Method and system for anomaly detection
US6292582B1 (en) 1996-05-31 2001-09-18 Lin Youling Method and system for identifying defects in a semiconductor
US6246787B1 (en) 1996-05-31 2001-06-12 Texas Instruments Incorporated System and method for knowledgebase generation and management
US6205239B1 (en) 1996-05-31 2001-03-20 Texas Instruments Incorporated System and method for circuit repair
US5956468A (en) * 1996-07-12 1999-09-21 Seiko Epson Corporation Document segmentation system
JP3427692B2 (ja) * 1996-11-20 2003-07-22 松下電器産業株式会社 文字認識方法および文字認識装置
US5889889A (en) * 1996-12-13 1999-03-30 Lucent Technologies Inc. Method and apparatus for machine recognition of handwritten symbols from stroke-parameter data
SG71018A1 (en) * 1997-03-01 2000-03-21 Inst Of Systems Science Nat Un Robust identification code recognition system
JPH11144068A (ja) * 1997-11-10 1999-05-28 Seiko Epson Corp 文字列画像の作成および処理方法並びにそれらの装置
US6020972A (en) * 1997-11-14 2000-02-01 Xerox Corporation System for performing collective symbol-based compression of a corpus of document images
US6665841B1 (en) 1997-11-14 2003-12-16 Xerox Corporation Transmission of subsets of layout objects at different resolutions
US6562077B2 (en) 1997-11-14 2003-05-13 Xerox Corporation Sorting image segments into clusters based on a distance measurement
US5999664A (en) * 1997-11-14 1999-12-07 Xerox Corporation System for searching a corpus of document images by user specified document layout components
US6633671B2 (en) * 1998-01-28 2003-10-14 California Institute Of Technology Camera-based handwriting tracking
US6549680B1 (en) * 1998-06-23 2003-04-15 Xerox Corporation Method and apparatus for deskewing and despeckling of images
US6363381B1 (en) * 1998-11-03 2002-03-26 Ricoh Co., Ltd. Compressed document matching
JP2001043310A (ja) * 1999-07-30 2001-02-16 Fujitsu Ltd 文書画像補正装置および補正方法
US6542635B1 (en) * 1999-09-08 2003-04-01 Lucent Technologies Inc. Method for document comparison and classification using document image layout
US6577769B1 (en) * 1999-09-18 2003-06-10 Wildtangent, Inc. Data compression through adaptive data size reduction
JP3854024B2 (ja) * 1999-11-30 2006-12-06 株式会社Ｐｆｕ 文字認識前処理装置及び方法並びにプログラム記録媒体
JP4032204B2 (ja) * 1999-12-10 2008-01-16 セイコーエプソン株式会社 磁気パターンの認識装置、認識方法、および、情報記録媒体
US6950553B1 (en) * 2000-03-23 2005-09-27 Cardiff Software, Inc. Method and system for searching form features for form identification
US6993205B1 (en) * 2000-04-12 2006-01-31 International Business Machines Corporation Automatic method of detection of incorrectly oriented text blocks using results from character recognition
US6594393B1 (en) * 2000-05-12 2003-07-15 Thomas P. Minka Dynamic programming operation with skip mode for text line image decoding
US7054509B2 (en) * 2000-10-21 2006-05-30 Cardiff Software, Inc. Determining form identification through the spatial relationship of input data
US6735337B2 (en) * 2001-02-02 2004-05-11 Shih-Jong J. Lee Robust method for automatic reading of skewed, rotated or partially obscured characters
JP3695369B2 (ja) * 2001-08-07 2005-09-14 ソニー株式会社 情報配信システム及び情報配信方法、情報供給装置及び情報供給方法
US7400768B1 (en) * 2001-08-24 2008-07-15 Cardiff Software, Inc. Enhanced optical recognition of digitized images through selective bit insertion
US20040205568A1 (en) * 2002-03-01 2004-10-14 Breuel Thomas M. Method and system for document image layout deconstruction and redisplay system
US7321687B2 (en) * 2002-03-07 2008-01-22 Canon Kabushiki Kaisha Apparatus and method for image processing to label an object in a binary image
DE60311904D1 (de) * 2002-03-15 2007-04-05 Computer Sciences Corp Verfahren und Vorrichtungen zur Analyse von Schrift in Dokumenten
US20030198386A1 (en) * 2002-04-19 2003-10-23 Huitao Luo System and method for identifying and extracting character strings from captured image data
US7010165B2 (en) * 2002-05-10 2006-03-07 Microsoft Corporation Preprocessing of multi-line rotated electronic ink
US7062090B2 (en) * 2002-06-28 2006-06-13 Microsoft Corporation Writing guide for a free-form document editor
RU2251151C2 (ru) * 2002-12-17 2005-04-27 Аби Софтвер Лтд. Способ анализа растрового изображения
US8606015B2 (en) 2002-12-17 2013-12-10 Abbyy Development Llc Multilevel image analysis
US7242805B1 (en) 2003-04-18 2007-07-10 Kamran Reihani System and method for automated symbolic recognition including database modeling
US7236631B1 (en) 2003-04-18 2007-06-26 Kamran Reihani System and method for automated symbolic recognition including logical symbols
US7239749B1 (en) 2003-04-18 2007-07-03 Kamran Reihani System and method for automated symbolic recognition including evidence-based technique
US7218782B1 (en) 2003-04-18 2007-05-15 Kamran Reihani System and method for automated symbolic recognition including multi-phase symbolic reshaping
US7227995B1 (en) 2003-04-18 2007-06-05 Kamran Reihani System and method for automated symbolic recognition including spatial reasoning
FR2857771B1 (fr) * 2003-07-17 2005-09-23 Thales Sa Systeme d'identification automatique de cibles
WO2005024711A1 (en) * 2003-09-05 2005-03-17 Gannon Technologies Group Systems and methods for biometric identification using handwriting recognition
US7409086B2 (en) * 2003-11-21 2008-08-05 Xerox Corporation Segmentation of image data
US7418156B1 (en) * 2004-04-16 2008-08-26 Apple Inc. Domain of definition in warper/morpher
US8620083B2 (en) * 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
US7499588B2 (en) * 2004-05-20 2009-03-03 Microsoft Corporation Low resolution OCR for camera acquired documents
CN100377171C (zh) * 2004-08-13 2008-03-26 富士通株式会社 生成劣化字符图像的方法和装置
KR20060050729A (ko) * 2004-08-31 2006-05-19 엘지전자 주식회사 카메라로 촬영된 문서 영상 처리 방법과 장치
KR20060050746A (ko) * 2004-08-31 2006-05-19 엘지전자 주식회사 카메라로 촬영된 문서 영상 처리 방법
US7724958B2 (en) * 2004-09-07 2010-05-25 Gannon Technologies Group Llc Systems and methods for biometric identification using handwriting recognition
KR100926193B1 (ko) * 2004-12-21 2009-11-09 캐논 가부시끼가이샤 디지털 화상 분할 및 콤팩트한 표현 생성
US9769354B2 (en) 2005-03-24 2017-09-19 Kofax, Inc. Systems and methods of processing scanned data
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
US7447361B2 (en) * 2005-05-26 2008-11-04 Marvell International, Ltd. System and method for generating a custom font
WO2007024216A1 (en) * 2005-08-23 2007-03-01 The Mazer Corporation Test scoring system and method
JP4305431B2 (ja) * 2005-09-06 2009-07-29 ソニー株式会社 画像処理装置、マスク作成方法及びプログラム
JP4658756B2 (ja) * 2005-09-14 2011-03-23 株式会社日立ハイテクノロジーズ 画像処理装置、画像処理方法および走査型電子顕微鏡
US7729546B2 (en) * 2005-12-23 2010-06-01 Lexmark International, Inc. Document segmentation for mixed raster content representation
TWI301590B (en) * 2005-12-30 2008-10-01 Ibm Handwriting input method, apparatus, system and computer recording medium with a program recorded thereon of capturing video data of real-time handwriting strokes for recognition
US7652677B2 (en) * 2006-08-03 2010-01-26 Qualcomm Incorporated Graphics system employing pixel mask
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
JP4909216B2 (ja) * 2006-09-13 2012-04-04 株式会社キーエンス 文字切り出し装置、方法およびプログラム
US7944442B2 (en) * 2006-09-26 2011-05-17 Qualcomm Incorporated Graphics system employing shape buffer
JP2010507438A (ja) * 2006-10-25 2010-03-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ セグメント化の向上
TWI319547B (en) * 2006-12-01 2010-01-11 Compal Electronics Inc Method for generating typographical line
US8098939B2 (en) * 2006-12-04 2012-01-17 Trend Micro Incorporated Adversarial approach for identifying inappropriate text content in images
US8261200B2 (en) * 2007-04-26 2012-09-04 Fuji Xerox Co., Ltd. Increasing retrieval performance of images by providing relevance feedback on word images contained in the images
US20080298635A1 (en) * 2007-05-29 2008-12-04 West William M Method for identifying images using fixtureless tracking and system for performing same
US7706613B2 (en) * 2007-08-23 2010-04-27 Kaspersky Lab, Zao System and method for identifying text-based SPAM in rasterized images
US7711192B1 (en) * 2007-08-23 2010-05-04 Kaspersky Lab, Zao System and method for identifying text-based SPAM in images using grey-scale transformation
US8244062B2 (en) * 2007-10-22 2012-08-14 Hewlett-Packard Development Company, L.P. Correction of distortion in captured images
US8229168B2 (en) * 2008-02-20 2012-07-24 International Business Machines Corporation Fast license plate verifier
US8103099B2 (en) * 2008-07-15 2012-01-24 Lockheed Martin Corporation Method and system for recognizing characters and character groups in electronically represented text
US8620080B2 (en) * 2008-09-26 2013-12-31 Sharp Laboratories Of America, Inc. Methods and systems for locating text in a digital image
US8269775B2 (en) * 2008-12-09 2012-09-18 Qualcomm Incorporated Discarding of vertex points during two-dimensional graphics rendering using three-dimensional graphics hardware
CN101762998B (zh) * 2008-12-24 2012-10-31 京瓷办公信息系统株式会社 图像形成装置和预览显示方法
WO2010080340A1 (en) * 2009-01-06 2010-07-15 Siemens Healthcare Diagnostics Inc. Methods and apparatus for determining a liquid level in a container using imaging
WO2010087886A1 (en) * 2009-01-27 2010-08-05 Gannon Technologies Group Llc Systems and methods for graph-based pattern recognition technology applied to the automated identification of fingerprints
US8290302B2 (en) * 2009-01-30 2012-10-16 Xerox Corporation Method and system for skew detection of a scanned document using connected components analysis
US9349046B2 (en) 2009-02-10 2016-05-24 Kofax, Inc. Smart optical input/output (I/O) extension for context-dependent workflows
US9576272B2 (en) 2009-02-10 2017-02-21 Kofax, Inc. Systems, methods and computer program products for determining document validity
US9767354B2 (en) 2009-02-10 2017-09-19 Kofax, Inc. Global geographic information retrieval, validation, and normalization
EP2449531B1 (de) 2009-07-02 2017-12-20 Hewlett-Packard Development Company, L.P. Versatzdetektion
EP2275972B1 (de) * 2009-07-06 2018-11-28 AO Kaspersky Lab System und Verfahren zur Identifizierung von textbasiertem Spam in Bildern
US9003531B2 (en) * 2009-10-01 2015-04-07 Kaspersky Lab Zao Comprehensive password management arrangment facilitating security
US8311331B2 (en) 2010-03-09 2012-11-13 Microsoft Corporation Resolution adjustment of an image that includes text undergoing an OCR process
US8380009B2 (en) * 2010-03-11 2013-02-19 Microsoft Corporation Resolution adjustment of an image that includes text undergoing an OCR process
JP5672828B2 (ja) * 2010-08-03 2015-02-18 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
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
KR101727137B1 (ko) * 2010-12-14 2017-04-14 한국전자통신연구원 텍스트 영역의 추출 방법, 추출 장치 및 이를 이용한 번호판 자동 인식 시스템
JP5589825B2 (ja) * 2010-12-21 2014-09-17 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム
US8831350B2 (en) * 2011-08-29 2014-09-09 Dst Technologies, Inc. Generation of document fingerprints for identification of electronic document types
US9223769B2 (en) 2011-09-21 2015-12-29 Roman Tsibulevskiy Data processing systems, devices, and methods for content analysis
US8818092B1 (en) * 2011-09-29 2014-08-26 Google, Inc. Multi-threaded text rendering
US9111140B2 (en) 2012-01-10 2015-08-18 Dst Technologies, Inc. Identification and separation of form and feature elements from handwritten and other user supplied elements
US10146795B2 (en) 2012-01-12 2018-12-04 Kofax, Inc. Systems and methods for mobile image capture and processing
US9514357B2 (en) 2012-01-12 2016-12-06 Kofax, Inc. Systems and methods for mobile image capture and processing
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
US9798711B2 (en) * 2012-05-31 2017-10-24 Xerox Corporation Method and system for generating a graphical organization of a page
US20130321867A1 (en) * 2012-05-31 2013-12-05 Xerox Corporation Typographical block generation
US9025877B2 (en) * 2013-01-04 2015-05-05 Ricoh Company, Ltd. Local scale, rotation and position invariant word detection for optical character recognition
CN105283884A (zh) * 2013-03-13 2016-01-27 柯法克斯公司 对移动设备捕获的数字图像中的对象进行分类
US9058644B2 (en) * 2013-03-13 2015-06-16 Amazon Technologies, Inc. Local image enhancement for text recognition
US9208536B2 (en) 2013-09-27 2015-12-08 Kofax, Inc. Systems and methods for three dimensional geometric reconstruction of captured image data
US9355312B2 (en) 2013-03-13 2016-05-31 Kofax, Inc. Systems and methods for classifying objects in digital images captured using mobile devices
US20140316841A1 (en) 2013-04-23 2014-10-23 Kofax, Inc. Location-based workflows and services
EP2992481A4 (de) 2013-05-03 2017-02-22 Kofax, Inc. Systeme und verfahren zur detektion und klassifizierung von objekten in mithilfe von mobilen vorrichtungen aufgenommenen videos
US9245205B1 (en) 2013-10-16 2016-01-26 Xerox Corporation Supervised mid-level features for word image representation
JP2016538783A (ja) 2013-11-15 2016-12-08 コファックス， インコーポレイテッド モバイル映像データを用いて長尺文書の合成画像を生成するためのシステムおよび方法
US9036083B1 (en) 2014-05-28 2015-05-19 Gracenote, Inc. Text detection in video
US9940511B2 (en) * 2014-05-30 2018-04-10 Kofax, Inc. Machine print, hand print, and signature discrimination
US9396404B2 (en) 2014-08-04 2016-07-19 Datalogic ADC, Inc. Robust industrial optical character recognition
US9740928B2 (en) 2014-08-29 2017-08-22 Ancestry.Com Operations Inc. System and method for transcribing handwritten records using word groupings based on feature vectors
US9760788B2 (en) 2014-10-30 2017-09-12 Kofax, Inc. Mobile document detection and orientation based on reference object characteristics
US9430704B2 (en) 2015-01-16 2016-08-30 Sony Corporation Image processing system with layout analysis and method of operation thereof
US10049476B1 (en) * 2015-05-15 2018-08-14 Turbopatent,Corp. System and method of creating an editable text and images from a captured image of a hand-drawn and/or static two-dimensional diagram
US10242285B2 (en) 2015-07-20 2019-03-26 Kofax, Inc. Iterative recognition-guided thresholding and data extraction
US10467465B2 (en) 2015-07-20 2019-11-05 Kofax, Inc. Range and/or polarity-based thresholding for improved data extraction
US9411547B1 (en) * 2015-07-28 2016-08-09 Dst Technologies, Inc. Compensation for print shift in standardized forms to facilitate extraction of data therefrom
US9798948B2 (en) 2015-07-31 2017-10-24 Datalogic IP Tech, S.r.l. Optical character recognition localization tool
CN105631448B (zh) * 2015-12-28 2019-03-08 小米科技有限责任公司 图像校正方法及装置
US9779296B1 (en) 2016-04-01 2017-10-03 Kofax, Inc. Content-based detection and three dimensional geometric reconstruction of objects in image and video data
US10095946B2 (en) 2016-07-07 2018-10-09 Lockheed Martin Corporation Systems and methods for strike through detection
WO2018125926A1 (en) * 2016-12-27 2018-07-05 Datalogic Usa, Inc Robust string text detection for industrial optical character recognition
US10339212B2 (en) 2017-08-14 2019-07-02 Adobe Inc. Detecting the bounds of borderless tables in fixed-format structured documents using machine learning
US10803350B2 (en) 2017-11-30 2020-10-13 Kofax, Inc. Object detection and image cropping using a multi-detector approach
US10685261B2 (en) * 2018-06-11 2020-06-16 GM Global Technology Operations LLC Active segmention of scanned images based on deep reinforcement learning for OCR applications
US10402673B1 (en) 2018-10-04 2019-09-03 Capital One Services, Llc Systems and methods for digitized document image data spillage recovery
US11386636B2 (en) 2019-04-04 2022-07-12 Datalogic Usa, Inc. Image preprocessing for optical character recognition
CN110147786B (zh) * 2019-04-11 2021-06-29 北京百度网讯科技有限公司 用于检测图像中的文本区域的方法、装置、设备以及介质
US11074473B1 (en) 2020-01-21 2021-07-27 Capital One Services, Llc Systems and methods for digitized document image text contouring
CN111753832B (zh) * 2020-07-02 2023-12-08 杭州睿琪软件有限公司 图像处理方法、图像处理装置、电子设备和存储介质

Family Cites Families (43)

* 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
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
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
DE3578768D1 (de) * 1985-03-14 1990-08-23 Toppan Printing Co Ltd Einrichtung zum ueberpruefen von abdruecken.
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
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
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
US5187753A (en) * 1989-12-08 1993-02-16 Xerox Corporation Method and apparatus for identification and correction of document skew
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
US5307422A (en) * 1991-06-25 1994-04-26 Industrial Technology Research Institute Method and system for identifying lines of text in a document

Also Published As

Publication number Publication date
EP0543593A2 (de) 1993-05-26
EP0543593B1 (de) 1998-09-02
JPH05242292A (ja) 1993-09-21
EP0543593A3 (en) 1994-05-25
DE69226846T2 (de) 1999-03-04
JP3343864B2 (ja) 2002-11-11
US5321770A (en) 1994-06-14
US6249604B1 (en) 2001-06-19

Similar Documents

Publication Publication Date Title
DE69226846T2 (de) Verfahren zur Bestimmung von Wortgrenzen im Text
NO901542L (no) Beholder med gavlformet topparti og tilhoerende helletut.
DE69226921T2 (de) System zur Beendigung von durch einen Herzschrittmacher induzierten Tachykardien bei frequenzadaptierender Reizung
DE69217970D1 (de) Im bohrloch aktiviertes system zur perforierung der bohrlochwand
DE69033079D1 (de) Aufbereitung von Text in einem Bild
DE69418818D1 (de) Verfahren zur Ortung von Rohrverbindungen im Bohrloch
DE69202067D1 (de) Verfahren zur Kursbestimmung.
PT78140A (de) Isoliergefaesse insbesondere isolierkanne oderflasche mit kuehlakku
DE68923104D1 (de) Harzzusammensetzung zur Verwendung bei Ueberzügen.
MX9102569A (es) Mejoras en tornamesa.
DE68915055T2 (de) Vorrichtung zur Herstellung von Getränken.
DE69220906D1 (de) Verfahren zur Bestimmung von Retikulozyten
DE68913373T2 (de) Verfahren zur gleichzeitigen Dateneingabe in überlappende Fenster.
FI941186A (fi) Neurotensiinimenetelmä verisuoniston vuotojen ehkäisemiseksi
DE69215256D1 (de) Einrichtung zur Umrissverbesserung
DE69429643D1 (de) Verfahren zur Texteingabe
DE69006421T2 (de) Aussparung in Arbeitsplatten mit niedriger Spannungs-Konzentration.
DE59410084D1 (de) Verfahren zur Bestimmung von Kontaminaten in Behältern
DE58901714D1 (de) Verfahren zur verbesserung des nordungsergebnisses.
PT87400A (pt) Verfahren zur herstellung von frendproteinen in streptomyceten
DE69206001D1 (de) Verfahren zur hochsensitiven Bestimmung von NADH mit NADH Kinase.
ES2014388A4 (es) Perfeccionamientos en recipientes metalicos.
FI902364A0 (fi) Anordning foer istaondsaettande av underbacken i en hoppbacke.
DE58900814D1 (de) Verfahren zur erhoehung des mesophasenanteils in pech.
TR24875A (tr) Fungusidlerde veya bunlarla ilgili islahat

Legal Events

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