DE69329789T2 - Texterkennung - Google Patents

Texterkennung

Info

Publication number
DE69329789T2
DE69329789T2 DE69329789T DE69329789T DE69329789T2 DE 69329789 T2 DE69329789 T2 DE 69329789T2 DE 69329789 T DE69329789 T DE 69329789T DE 69329789 T DE69329789 T DE 69329789T DE 69329789 T2 DE69329789 T2 DE 69329789T2
Authority
DE
Germany
Prior art keywords
text recognition
recognition
text
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
DE69329789T
Other languages
English (en)
Other versions
DE69329789D1 (de
Inventor
Francine R Chen
Lynn D Wilcox
Dan S Bloomberg
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
Priority claimed from US07/991,913 external-priority patent/US5438630A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69329789D1 publication Critical patent/DE69329789D1/de
Publication of DE69329789T2 publication Critical patent/DE69329789T2/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
    • G06V30/10—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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/29—Graphical models, e.g. Bayesian networks
    • G06F18/295—Markov models or related models, e.g. semi-Markov models; Markov random fields; Networks embedding Markov models
    • 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
    • G06V30/19—Recognition using electronic means
    • G06V30/191—Design or setup of recognition systems or techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G06V30/19187—Graphical models, e.g. Bayesian networks or Markov models
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Linguistics (AREA)
  • Software Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Character Discrimination (AREA)
DE69329789T 1992-12-17 1993-12-15 Texterkennung Expired - Fee Related DE69329789T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99235892A 1992-12-17 1992-12-17
US07/991,913 US5438630A (en) 1992-12-17 1992-12-17 Word spotting in bitmap images using word bounding boxes and hidden Markov models

Publications (2)

Publication Number Publication Date
DE69329789D1 DE69329789D1 (de) 2001-02-01
DE69329789T2 true DE69329789T2 (de) 2001-05-03

Family

ID=27130658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69329789T Expired - Fee Related DE69329789T2 (de) 1992-12-17 1993-12-15 Texterkennung

Country Status (2)

Country Link
EP (1) EP0602955B1 (de)
DE (1) DE69329789T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9277090B2 (en) 2007-10-01 2016-03-01 Hewlett-Packard Development Company, L.P. System and method of document reproduction
CN110458167B (zh) * 2019-08-20 2022-02-15 浙江工业大学 一种金属件表面弯曲文本行矫正方法
CN111695553B (zh) * 2020-06-05 2023-09-08 北京百度网讯科技有限公司 表格识别方法、装置、设备和介质
CN115115914B (zh) * 2022-06-07 2024-02-27 腾讯科技（深圳）有限公司 信息识别方法、装置以及计算机可读存储介质
CN116402046B (zh) * 2023-06-09 2023-08-18 电子科技大学成都学院 基于招聘信息的岗位词条构建方法

Also Published As

Publication number Publication date
EP0602955A3 (de) 1995-01-18
DE69329789D1 (de) 2001-02-01
EP0602955B1 (de) 2000-12-27
EP0602955A2 (de) 1994-06-22

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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