CN1143239C - 用来分析表格图像的方法和设备 - Google Patents

用来分析表格图像的方法和设备 Download PDF

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Publication number
CN1143239C
CN1143239C CNB991010043A CN99101004A CN1143239C CN 1143239 C CN1143239 C CN 1143239C CN B991010043 A CNB991010043 A CN B991010043A CN 99101004 A CN99101004 A CN 99101004A CN 1143239 C CN1143239 C CN 1143239C
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image
supercell
text
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CNB991010043A
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Chinese (zh)
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CN1237745A (zh
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王欣元
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Canon Inc
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Canon Inc
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    • 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
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/412—Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
    • 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
    • G06V30/40—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

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
CNB991010043A 1998-01-05 1999-01-05 用来分析表格图像的方法和设备 Expired - Fee Related CN1143239C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US002684 1998-01-05
US002,684 1998-01-05
US09/002,684 US6173073B1 (en) 1998-01-05 1998-01-05 System for analyzing table images

Publications (2)

Publication Number Publication Date
CN1237745A CN1237745A (zh) 1999-12-08
CN1143239C true CN1143239C (zh) 2004-03-24

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CNB991010043A Expired - Fee Related CN1143239C (zh) 1998-01-05 1999-01-05 用来分析表格图像的方法和设备

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US (1) US6173073B1 (https=)
EP (1) EP0927950B1 (https=)
JP (1) JP4251586B2 (https=)
CN (1) CN1143239C (https=)
DE (1) DE69825856D1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105426834A (zh) * 2015-11-17 2016-03-23 中国传媒大学 一种基于投影特征与结构特征进行表格图像检测的方法

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099507B2 (en) * 1998-11-05 2006-08-29 Ricoh Company, Ltd Method and system for extracting title from document image
JP2000339301A (ja) * 1999-03-23 2000-12-08 Canon Inc 文書分割装置及び方法、及びそのプログラムを記憶した記憶媒体
US6757870B1 (en) * 2000-03-22 2004-06-29 Hewlett-Packard Development Company, L.P. Automatic table detection method and system
JP2002032770A (ja) * 2000-06-23 2002-01-31 Internatl Business Mach Corp <Ibm> 文書処理方法、文書処理システムおよび媒体
US6778700B2 (en) * 2001-03-14 2004-08-17 Electronics For Imaging, Inc. Method and apparatus for text detection
CA2391692C (en) 2002-07-15 2006-07-04 Allan Williams Computer database with adaptive storage space architecture
US20040066538A1 (en) * 2002-10-04 2004-04-08 Rozzi William A. Conversion of halftone bitmaps to continuous tone representations
US7308159B2 (en) * 2004-01-16 2007-12-11 Enuclia Semiconductor, Inc. Image processing system and method with dynamically controlled pixel processing
US8095871B2 (en) * 2004-05-06 2012-01-10 Siemens Corporation System and method for GUI supported specifications for automating form field extraction with database mapping
US7668404B2 (en) * 2004-06-30 2010-02-23 Lexmark International, Inc. Method and system of deskewing an image using monochrome conversion to separate foreground from background
US7707488B2 (en) * 2006-02-09 2010-04-27 Microsoft Corporation Analyzing lines to detect tables in documents
JP4135752B2 (ja) * 2006-06-12 2008-08-20 コニカミノルタビジネステクノロジーズ株式会社 画像処理装置、画像処理方法及び画像処理プログラム
JP4665933B2 (ja) * 2006-07-04 2011-04-06 セイコーエプソン株式会社 文書編集支援装置、プログラムおよび記憶媒体
US7801358B2 (en) * 2006-11-03 2010-09-21 Google Inc. Methods and systems for analyzing data in media material having layout
JP4988842B2 (ja) * 2007-06-28 2012-08-01 富士通株式会社 表データ生成プログラム、表データ生成方法および表データ生成装置
US8155442B2 (en) * 2008-02-04 2012-04-10 The Neat Company, Inc. Method and apparatus for modifying the histogram of an image
CN101551859B (zh) * 2008-03-31 2012-01-04 夏普株式会社 图像辨别装置及图像检索装置
US8144986B2 (en) * 2008-09-05 2012-03-27 The Neat Company, Inc. Method and apparatus for binarization threshold calculation
US8473467B2 (en) * 2009-01-02 2013-06-25 Apple Inc. Content profiling to dynamically configure content processing
US8261180B2 (en) * 2009-04-28 2012-09-04 Lexmark International, Inc. Automatic forms processing systems and methods
US8214733B2 (en) * 2010-04-28 2012-07-03 Lexmark International, Inc. Automatic forms processing systems and methods
JP2013500527A (ja) * 2009-07-30 2013-01-07 オセ−テクノロジーズ・ベー・ヴエー 文書内の表の自動的な位置特定
US20110032266A1 (en) * 2009-08-07 2011-02-10 Delphi Technologies, Inc. Glare detection and mitigation method for a photo-sensitive display device
CN101866335B (zh) * 2010-06-14 2012-12-12 深圳市万兴软件有限公司 一种文档转换中的表格处理方法及装置
CN101984426B (zh) * 2010-10-21 2013-04-10 优视科技有限公司 用于对网页图片进行字符切分的方法及装置
US8543911B2 (en) 2011-01-18 2013-09-24 Apple Inc. Ordering document content based on reading flow
US8380753B2 (en) 2011-01-18 2013-02-19 Apple Inc. Reconstruction of lists in a document
US8731296B2 (en) * 2011-04-21 2014-05-20 Seiko Epson Corporation Contact text detection in scanned images
KR101872564B1 (ko) 2012-01-23 2018-06-28 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 무경계 표 검출 엔진
US8942489B2 (en) 2012-01-23 2015-01-27 Microsoft Corporation Vector graphics classification engine
CN103377177B (zh) * 2012-04-27 2016-03-30 北大方正集团有限公司 一种数字版式文件中识别表格的方法及装置
US9953008B2 (en) 2013-01-18 2018-04-24 Microsoft Technology Licensing, Llc Grouping fixed format document elements to preserve graphical data semantics after reflow by manipulating a bounding box vertically and horizontally
US9047528B1 (en) * 2013-02-19 2015-06-02 Amazon Technologies, Inc. Identifying characters in grid-based text
US10076751B2 (en) 2013-12-30 2018-09-18 General Electric Company Systems and methods for reagent storage
US9399216B2 (en) 2013-12-30 2016-07-26 General Electric Company Fluid transport in microfluidic applications with sensors for detecting fluid presence and pressure
JP6435636B2 (ja) * 2014-05-15 2018-12-12 富士ゼロックス株式会社 情報処理装置及び情報処理プログラム
CN104050487B (zh) * 2014-06-06 2017-06-16 华东师范大学 一种基于布局信息分析的邮件图像方向辨别方法
US9235757B1 (en) * 2014-07-24 2016-01-12 Amazon Technologies, Inc. Fast text detection
CN106446881B (zh) * 2016-07-29 2019-05-21 北京交通大学 从医疗化验单图像中提取化验结果信息的方法
CN106156761B (zh) * 2016-08-10 2020-01-10 北京交通大学 面向移动终端拍摄的图像表格检测与识别方法
US10242257B2 (en) * 2017-05-18 2019-03-26 Wipro Limited Methods and devices for extracting text from documents
US10410386B2 (en) * 2017-09-15 2019-09-10 Konica Minolta Laboratory U.S.A., Inc. Table cell validation
US11650970B2 (en) 2018-03-09 2023-05-16 International Business Machines Corporation Extracting structure and semantics from tabular data
CN108470021B (zh) * 2018-03-26 2022-06-03 阿博茨德（北京）科技有限公司 Pdf文档中表格的定位方法及装置
US11200413B2 (en) 2018-07-31 2021-12-14 International Business Machines Corporation Table recognition in portable document format documents
EP3966730A2 (en) * 2019-05-08 2022-03-16 Vrije Universiteit Brussel Computer implemented method for segmenting a binarized document
US11062133B2 (en) * 2019-06-24 2021-07-13 International Business Machines Corporation Data structure generation for tabular information in scanned images
CN114357958A (zh) * 2020-09-30 2022-04-15 中移(苏州)软件技术有限公司 一种表格提取方法、装置、设备及存储介质
US12260662B2 (en) * 2021-04-15 2025-03-25 Microsoft Technology Licensing, Llc Inferring structure information from table images
US11829701B1 (en) * 2022-06-30 2023-11-28 Accenture Global Solutions Limited Heuristics-based processing of electronic document contents

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185813A (en) 1988-01-19 1993-02-09 Kabushiki Kaisha Toshiba Document image processing apparatus
US5131053A (en) 1988-08-10 1992-07-14 Caere Corporation Optical character recognition method and apparatus
US5101448A (en) 1988-08-24 1992-03-31 Hitachi, Ltd. Method and apparatus for processing a document by utilizing an image
US5129012A (en) 1989-03-25 1992-07-07 Sony Corporation Detecting line segments and predetermined patterns in an optically scanned document
JP2812982B2 (ja) * 1989-04-05 1998-10-22 株式会社リコー 表認識方法
JP2940936B2 (ja) 1989-06-06 1999-08-25 株式会社リコー 表領域識別方法
US5448692A (en) * 1991-03-27 1995-09-05 Ricoh Company, Ltd. Digital image processing device involving processing of areas of image, based on respective contour line traces
JPH05250357A (ja) 1992-03-05 1993-09-28 Ricoh Co Ltd 画像読取修正装置および修正画像形成装置
US5335290A (en) 1992-04-06 1994-08-02 Ricoh Corporation Segmentation of text, picture and lines of a document image
US5680479A (en) 1992-04-24 1997-10-21 Canon Kabushiki Kaisha Method and apparatus for character recognition
US5594814A (en) * 1992-10-19 1997-01-14 Fast; Bruce B. OCR image preprocessing method for image enhancement of scanned documents
JP2789971B2 (ja) * 1992-10-27 1998-08-27 富士ゼロックス株式会社 表認識装置
US5485566A (en) 1993-10-29 1996-01-16 Xerox Corporation Method of finding columns in tabular documents
US5588072A (en) 1993-12-22 1996-12-24 Canon Kabushiki Kaisha Method and apparatus for selecting blocks of image data from image data having both horizontally- and vertically-oriented blocks
US5689342A (en) 1994-11-17 1997-11-18 Canon Kabushiki Kaisha Image processing method and apparatus which orders text areas which have been extracted from an image
US5661818A (en) 1995-01-27 1997-08-26 Eastman Kodak Company Method and system for detecting grids in a digital image
US5848186A (en) * 1995-08-11 1998-12-08 Canon Kabushiki Kaisha Feature extraction system for identifying text within a table image

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105426834A (zh) * 2015-11-17 2016-03-23 中国传媒大学 一种基于投影特征与结构特征进行表格图像检测的方法
CN105426834B (zh) * 2015-11-17 2019-02-22 中国传媒大学 一种基于投影特征与结构特征进行表格图像检测的方法

Also Published As

Publication number Publication date
EP0927950A2 (en) 1999-07-07
EP0927950B1 (en) 2004-08-25
EP0927950A3 (en) 2001-10-17
JP4251586B2 (ja) 2009-04-08
US6173073B1 (en) 2001-01-09
DE69825856D1 (de) 2004-09-30
JPH11259655A (ja) 1999-09-24
CN1237745A (zh) 1999-12-08

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