EP1743239A4 - A method and system for character recognition - Google Patents

A method and system for character recognition

Info

Publication number
EP1743239A4
EP1743239A4 EP05743992A EP05743992A EP1743239A4 EP 1743239 A4 EP1743239 A4 EP 1743239A4 EP 05743992 A EP05743992 A EP 05743992A EP 05743992 A EP05743992 A EP 05743992A EP 1743239 A4 EP1743239 A4 EP 1743239A4
Authority
EP
European Patent Office
Prior art keywords
character recognition
recognition
character
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.)
Withdrawn
Application number
EP05743992A
Other languages
German (de)
French (fr)
Other versions
EP1743239A2 (en
Inventor
Martin King
Dale L Grover
James O Stafford-Fraser
Clifford A Kushler
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.)
Google LLC
Original Assignee
Google LLC
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 Google LLC filed Critical Google LLC
Publication of EP1743239A2 publication Critical patent/EP1743239A2/en
Publication of EP1743239A4 publication Critical patent/EP1743239A4/en
Withdrawn legal-status Critical Current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
    • 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
    • G06V30/268—Lexical context
    • 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)
  • Computational Linguistics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
EP05743992A 2004-04-01 2005-04-01 A method and system for character recognition Withdrawn EP1743239A4 (en)

Applications Claiming Priority (103)

Application Number Priority Date Filing Date Title
US55852704P 2004-04-01 2004-04-01
US55926504P 2004-04-01 2004-04-01
US55927704P 2004-04-01 2004-04-01
US55879104P 2004-04-01 2004-04-01
US55886704P 2004-04-01 2004-04-01
US55889304P 2004-04-01 2004-04-01
US55871704P 2004-04-01 2004-04-01
US55922604P 2004-04-01 2004-04-01
US55876004P 2004-04-01 2004-04-01
US55889204P 2004-04-01 2004-04-01
US55849904P 2004-04-01 2004-04-01
US55878904P 2004-04-01 2004-04-01
US55896804P 2004-04-01 2004-04-01
US55896904P 2004-04-01 2004-04-01
US55837004P 2004-04-01 2004-04-01
US55927804P 2004-04-01 2004-04-01
US55927904P 2004-04-01 2004-04-01
US55903304P 2004-04-02 2004-04-02
US55912704P 2004-04-02 2004-04-02
US55912504P 2004-04-02 2004-04-02
US55913104P 2004-04-02 2004-04-02
US55890904P 2004-04-02 2004-04-02
US55908704P 2004-04-02 2004-04-02
US55976604P 2004-04-06 2004-04-06
US56176804P 2004-04-12 2004-04-12
US56348504P 2004-04-19 2004-04-19
US56352004P 2004-04-19 2004-04-19
US56468804P 2004-04-23 2004-04-23
US56484604P 2004-04-23 2004-04-23
US56666704P 2004-04-30 2004-04-30
US57156004P 2004-05-14 2004-05-14
US57138104P 2004-05-14 2004-05-14
US57171504P 2004-05-17 2004-05-17
US58920204P 2004-07-19 2004-07-19
US58920304P 2004-07-19 2004-07-19
US58920104P 2004-07-19 2004-07-19
US59882104P 2004-08-02 2004-08-02
US60294704P 2004-08-18 2004-08-18
US60289604P 2004-08-18 2004-08-18
US60293004P 2004-08-18 2004-08-18
US60295604P 2004-08-18 2004-08-18
US60289804P 2004-08-18 2004-08-18
US60292504P 2004-08-18 2004-08-18
US60289704P 2004-08-18 2004-08-18
US60346604P 2004-08-19 2004-08-19
US60308204P 2004-08-19 2004-08-19
US60308104P 2004-08-19 2004-08-19
US60349804P 2004-08-20 2004-08-20
US60335804P 2004-08-20 2004-08-20
US60410004P 2004-08-23 2004-08-23
US60409804P 2004-08-23 2004-08-23
US60410204P 2004-08-23 2004-08-23
US60410304P 2004-08-23 2004-08-23
US60522904P 2004-08-27 2004-08-27
US60510504P 2004-08-27 2004-08-27
US61363404P 2004-09-27 2004-09-27
US61336104P 2004-09-27 2004-09-27
US61346004P 2004-09-27 2004-09-27
US61363204P 2004-09-27 2004-09-27
US61345504P 2004-09-27 2004-09-27
US61358904P 2004-09-27 2004-09-27
US61324304P 2004-09-27 2004-09-27
US61333904P 2004-09-27 2004-09-27
US61362804P 2004-09-27 2004-09-27
US61346104P 2004-09-27 2004-09-27
US61334004P 2004-09-27 2004-09-27
US61340004P 2004-09-27 2004-09-27
US61324204P 2004-09-27 2004-09-27
US61345604P 2004-09-27 2004-09-27
US61334104P 2004-09-27 2004-09-27
US61345404P 2004-09-27 2004-09-27
US61363304P 2004-09-27 2004-09-27
US61360204P 2004-09-27 2004-09-27
US61511204P 2004-10-01 2004-10-01
US61537804P 2004-10-01 2004-10-01
US61553804P 2004-10-01 2004-10-01
US61712204P 2004-10-07 2004-10-07
US62290604P 2004-10-28 2004-10-28
US63348604P 2004-12-06 2004-12-06
US63345204P 2004-12-06 2004-12-06
US63367804P 2004-12-06 2004-12-06
US63345304P 2004-12-06 2004-12-06
US63473904P 2004-12-09 2004-12-09
US63462704P 2004-12-09 2004-12-09
US64768405P 2005-01-26 2005-01-26
US64874605P 2005-01-31 2005-01-31
US65337205P 2005-02-15 2005-02-15
US65389905P 2005-02-16 2005-02-16
US65366905P 2005-02-16 2005-02-16
US65367905P 2005-02-16 2005-02-16
US65384705P 2005-02-16 2005-02-16
US65366305P 2005-02-16 2005-02-16
US65437905P 2005-02-17 2005-02-17
US65436805P 2005-02-18 2005-02-18
US65419605P 2005-02-18 2005-02-18
US65432605P 2005-02-18 2005-02-18
US65528105P 2005-02-22 2005-02-22
US65598705P 2005-02-22 2005-02-22
US65528005P 2005-02-22 2005-02-22
US65569705P 2005-02-22 2005-02-22
US65527905P 2005-02-22 2005-02-22
US65730905P 2005-02-28 2005-02-28
PCT/US2005/011533 WO2005098609A2 (en) 2004-04-01 2005-04-01 A method and system for character recognition

Publications (2)

Publication Number Publication Date
EP1743239A2 EP1743239A2 (en) 2007-01-17
EP1743239A4 true EP1743239A4 (en) 2012-07-11

Family

ID=35134679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05743992A Withdrawn EP1743239A4 (en) 2004-04-01 2005-04-01 A method and system for character recognition

Country Status (2)

Country Link
EP (1) EP1743239A4 (en)
WO (1) WO2005098609A2 (en)

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US7707039B2 (en) 2004-02-15 2010-04-27 Exbiblio B.V. Automatic modification of web pages
US8442331B2 (en) 2004-02-15 2013-05-14 Google Inc. Capturing text from rendered documents using supplemental information
US20060041484A1 (en) 2004-04-01 2006-02-23 King Martin T Methods and systems for initiating application processes by data capture from rendered documents
US7812860B2 (en) 2004-04-01 2010-10-12 Exbiblio B.V. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US8799303B2 (en) 2004-02-15 2014-08-05 Google Inc. Establishing an interactive environment for rendered documents
US10635723B2 (en) 2004-02-15 2020-04-28 Google Llc Search engines and systems with handheld document data capture devices
US20060098900A1 (en) 2004-09-27 2006-05-11 King Martin T Secure data gathering from rendered documents
US7894670B2 (en) 2004-04-01 2011-02-22 Exbiblio B.V. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US20060081714A1 (en) 2004-08-23 2006-04-20 King Martin T Portable scanning device
US8793162B2 (en) 2004-04-01 2014-07-29 Google Inc. Adding information or functionality to a rendered document via association with an electronic counterpart
US9143638B2 (en) 2004-04-01 2015-09-22 Google Inc. Data capture from rendered documents using handheld device
US20080313172A1 (en) 2004-12-03 2008-12-18 King Martin T Determining actions involving captured information and electronic content associated with rendered documents
US7990556B2 (en) 2004-12-03 2011-08-02 Google Inc. Association of a portable scanner with input/output and storage devices
US8081849B2 (en) 2004-12-03 2011-12-20 Google Inc. Portable scanning and memory device
US20070300142A1 (en) 2005-04-01 2007-12-27 King Martin T Contextual dynamic advertising based upon captured rendered text
US9116890B2 (en) 2004-04-01 2015-08-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to a rendered document
WO2008028674A2 (en) 2006-09-08 2008-03-13 Exbiblio B.V. Optical scanners, such as hand-held optical scanners
US8146156B2 (en) 2004-04-01 2012-03-27 Google Inc. Archive of text captures from rendered documents
US8713418B2 (en) 2004-04-12 2014-04-29 Google Inc. Adding value to a rendered document
US9460346B2 (en) 2004-04-19 2016-10-04 Google Inc. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US8620083B2 (en) 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
US8874504B2 (en) 2004-12-03 2014-10-28 Google Inc. Processing techniques for visual capture data from a rendered document
US8489624B2 (en) 2004-05-17 2013-07-16 Google, Inc. Processing techniques for text capture from a rendered document
US8346620B2 (en) 2004-07-19 2013-01-01 Google Inc. Automatic modification of web pages
WO2010096193A2 (en) 2009-02-18 2010-08-26 Exbiblio B.V. Identifying a document by performing spectral analysis on the contents of the document
WO2010105246A2 (en) 2009-03-12 2010-09-16 Exbiblio B.V. Accessing resources based on capturing information from a rendered document
US8447066B2 (en) 2009-03-12 2013-05-21 Google Inc. Performing actions based on capturing information from rendered documents, such as documents under copyright
US9081799B2 (en) 2009-12-04 2015-07-14 Google Inc. Using gestalt information to identify locations in printed information
US9323784B2 (en) 2009-12-09 2016-04-26 Google Inc. Image search using text-based elements within the contents of images
CN113806812B (en) * 2021-08-13 2022-05-27 深圳市鹰硕技术有限公司 Method, device and system for managing user handwriting data and storage medium

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US6212299B1 (en) * 1992-12-11 2001-04-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for recognizing a character

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US5625711A (en) * 1994-08-31 1997-04-29 Adobe Systems Incorporated Method and apparatus for producing a hybrid data structure for displaying a raster image

Patent Citations (1)

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US6212299B1 (en) * 1992-12-11 2001-04-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for recognizing a character

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A. LAWRENCE SPITZ: "Shape-based word recognition", INTERNATIONAL JOURNAL OF DOCUMENT ANALYSIS AND RECOGNITION (IJDAR), vol. 1, no. 4, 1 May 1999 (1999-05-01), pages 178 - 190, XP055028522, ISSN: 1433-2833, DOI: 10.1007/s100320050017 *
BAHL, L.R.; COCKE, J.: "Font Independent Character Recognition by Cryptanalysis. August 1981.", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 24, no. 3, 1 August 1981 (1981-08-01), New York, US, pages 1588 - 1589, XP002676852 *
GEORGE NAGY ET AL: "Decoding Substitution Ciphers by Means of Word Matching with Application to OCR", IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, IEEE SERVICE CENTER, LOS ALAMITOS, CA, US, vol. 30, no. 5, 1 September 1987 (1987-09-01), pages 710 - 715, XP011243056, ISSN: 0162-8828 *
P. WOOD ET AL: "Implementing a faster string search algorithm in Ada", ACM SIGADA ADA LETTERS, vol. VIII, no. 3, 1 April 1988 (1988-04-01), pages 87 - 97, XP055028404, ISSN: 1094-3641, DOI: 10.1145/44772.44777 *
RAMESH, R. S. ET AL.: "An Automated Approach to Solve Simple Substitution Ciphers", CRYPTOLOGIA, vol. 17, no. 2, 1993, USA, pages 202 - 218, XP008152320 *
U. GARAIN ET AL: "Compression of Scan-Digitized Indian Language Printed Text: A Soft Pattern Matching Technique", PROCEEDINGS OF THE 2003 ACM SYMPOSIUM ON DOCUMENT ENGINEERING, 1 January 2003 (2003-01-01), http://dl.acm.org/ft_gateway.cfm?id=958254&ftid=236585&dwn=1&CFID=105890450&CFTOKEN=56057519, pages 185 - 192, XP055028523, Retrieved from the Internet <URL:http://delivery.acm.org/10.1145/960000/958254/p185-garain.pdf?ip=145.64.134.245&acc=ACTIVE%20SERVICE&CFID=105890450&CFTOKEN=56057519&__acm__=1338392879_b9a5756ce48f8eecf619058a671131d7> [retrieved on 20120530] *

Also Published As

Publication number Publication date
WO2005098609A3 (en) 2007-07-19
WO2005098609A2 (en) 2005-10-20
EP1743239A2 (en) 2007-01-17
WO2005098609A8 (en) 2007-12-06

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Inventor name: KING, MARTIN

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