WO2006023806A3 - A method and system for character recognition - Google Patents

A method and system for character recognition Download PDF

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Publication number
WO2006023806A3
WO2006023806A3 PCT/US2005/029680 US2005029680W WO2006023806A3 WO 2006023806 A3 WO2006023806 A3 WO 2006023806A3 US 2005029680 W US2005029680 W US 2005029680W WO 2006023806 A3 WO2006023806 A3 WO 2006023806A3
Authority
WO
WIPO (PCT)
Prior art keywords
character recognition
character
computer
matched sequences
use matched
Prior art date
Application number
PCT/US2005/029680
Other languages
French (fr)
Other versions
WO2006023806A2 (en
Inventor
Martin T. King
Dale L. Grover
Clifford A. Kushler
James Quentin Stafford-Fraser
Original Assignee
Exbiblio B.V.
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 US11/004,637 external-priority patent/US7707039B2/en
Priority claimed from US11/097,961 external-priority patent/US20060041484A1/en
Priority claimed from US11/097,093 external-priority patent/US20060041605A1/en
Priority claimed from US11/098,043 external-priority patent/US20060053097A1/en
Priority claimed from US11/185,908 external-priority patent/US20060104515A1/en
Priority claimed from US11/208,457 external-priority patent/US20060122983A1/en
Priority claimed from US11/208,408 external-priority patent/US20060136629A1/en
Application filed by Exbiblio B.V. filed Critical Exbiblio B.V.
Publication of WO2006023806A2 publication Critical patent/WO2006023806A2/en
Publication of WO2006023806A3 publication Critical patent/WO2006023806A3/en

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

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)
  • Character Discrimination (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Image Input (AREA)

Abstract

Character recognition is described. In one embodiment, it may use matched sequences rather than character shape to determine a computer-legible result.
PCT/US2005/029680 2004-08-23 2005-08-23 A method and system for character recognition WO2006023806A2 (en)

Applications Claiming Priority (152)

Application Number Priority Date Filing Date Title
US60409804P 2004-08-23 2004-08-23
US60410004P 2004-08-23 2004-08-23
US60410304P 2004-08-23 2004-08-23
US60410204P 2004-08-23 2004-08-23
US60/604,098 2004-08-23
US60/604,102 2004-08-23
US60/604,103 2004-08-23
US60/604,100 2004-08-23
US60510504P 2004-08-27 2004-08-27
US60522904P 2004-08-27 2004-08-27
US60/605,229 2004-08-27
US60/605,105 2004-08-27
US61333904P 2004-09-27 2004-09-27
US61346004P 2004-09-27 2004-09-27
US61345404P 2004-09-27 2004-09-27
US61324204P 2004-09-27 2004-09-27
US61334004P 2004-09-27 2004-09-27
US61340004P 2004-09-27 2004-09-27
US61345604P 2004-09-27 2004-09-27
US61363204P 2004-09-27 2004-09-27
US61363404P 2004-09-27 2004-09-27
US61363304P 2004-09-27 2004-09-27
US61360204P 2004-09-27 2004-09-27
US61345504P 2004-09-27 2004-09-27
US61334104P 2004-09-27 2004-09-27
US61346104P 2004-09-27 2004-09-27
US61324304P 2004-09-27 2004-09-27
US61358904P 2004-09-27 2004-09-27
US61362804P 2004-09-27 2004-09-27
US61336104P 2004-09-27 2004-09-27
US60/613,461 2004-09-27
US60/613,242 2004-09-27
US60/613,339 2004-09-27
US60/613,341 2004-09-27
US60/613,361 2004-09-27
US60/613,460 2004-09-27
US60/613,634 2004-09-27
US60/613,400 2004-09-27
US60/613,243 2004-09-27
US60/613,340 2004-09-27
US60/613,632 2004-09-27
US60/613,628 2004-09-27
US60/613,602 2004-09-27
US60/613,455 2004-09-27
US60/613,454 2004-09-27
US60/613,456 2004-09-27
US60/613,633 2004-09-27
US60/613,589 2004-09-27
US61511204P 2004-10-01 2004-10-01
US61537804P 2004-10-01 2004-10-01
US61553804P 2004-10-01 2004-10-01
US60/615,378 2004-10-01
US60/615,112 2004-10-01
US60/615,538 2004-10-01
US61712204P 2004-10-07 2004-10-07
US60/617,122 2004-10-07
US62290604P 2004-10-28 2004-10-28
US60/622,906 2004-10-28
US11/004,637 US7707039B2 (en) 2004-02-15 2004-12-03 Automatic modification of web pages
US11/004,637 2004-12-03
US63367804P 2004-12-06 2004-12-06
US63345204P 2004-12-06 2004-12-06
US63348604P 2004-12-06 2004-12-06
US63345304P 2004-12-06 2004-12-06
US60/633,678 2004-12-06
US60/633,453 2004-12-06
US60/633,452 2004-12-06
US60/633,486 2004-12-06
US63473904P 2004-12-09 2004-12-09
US63462704P 2004-12-09 2004-12-09
US60/634,739 2004-12-09
US60/634,627 2004-12-09
US64768405P 2005-01-26 2005-01-26
US60/647,684 2005-01-26
US64874605P 2005-01-31 2005-01-31
US60/648,746 2005-01-31
US65337205P 2005-02-15 2005-02-15
US60/653,372 2005-02-15
US65366305P 2005-02-16 2005-02-16
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
US60/653,899 2005-02-16
US60/653,679 2005-02-16
US60/653,663 2005-02-16
US60/653,669 2005-02-16
US60/653,847 2005-02-16
US65437905P 2005-02-17 2005-02-17
US60/654,379 2005-02-17
US65436805P 2005-02-18 2005-02-18
US65419605P 2005-02-18 2005-02-18
US65432605P 2005-02-18 2005-02-18
US60/654,326 2005-02-18
US60/654,196 2005-02-18
US60/654,368 2005-02-18
US65527905P 2005-02-22 2005-02-22
US65528105P 2005-02-22 2005-02-22
US65569705P 2005-02-22 2005-02-22
US65528005P 2005-02-22 2005-02-22
US65598705P 2005-02-22 2005-02-22
US60/655,987 2005-02-22
US60/655,279 2005-02-22
US60/655,280 2005-02-22
US60/655,697 2005-02-22
US60/655,281 2005-02-22
US65730905P 2005-02-28 2005-02-28
US60/657,309 2005-02-28
US11/097,835 US7831912B2 (en) 2004-02-15 2005-04-01 Publishing techniques for adding value to a rendered document
US11/096,704 2005-04-01
US11/097,961 2005-04-01
US11/097,103 2005-04-01
US11/098,014 US8019648B2 (en) 2004-02-15 2005-04-01 Search engines and systems with handheld document data capture devices
US11/098,042 US7593605B2 (en) 2004-02-15 2005-04-01 Data capture from rendered documents using handheld device
US11/098,014 2005-04-01
US11/097,089 2005-04-01
US11/097,961 US20060041484A1 (en) 2004-04-01 2005-04-01 Methods and systems for initiating application processes by data capture from rendered documents
US11/098,042 2005-04-01
US11/098,016 2005-04-01
US11/097,835 2005-04-01
US11/096,704 US7599580B2 (en) 2004-02-15 2005-04-01 Capturing text from rendered documents using supplemental information
US11/097,833 2005-04-01
US11/098,016 US7421155B2 (en) 2004-02-15 2005-04-01 Archive of text captures from rendered documents
US11/097,828 2005-04-01
US11/097,093 2005-04-01
US11/098,043 2005-04-01
US11/097,836 US20060041538A1 (en) 2004-02-15 2005-04-01 Establishing an interactive environment for rendered documents
US11/097,981 US7606741B2 (en) 2004-02-15 2005-04-01 Information gathering system and method
US11/097,828 US7742953B2 (en) 2004-02-15 2005-04-01 Adding information or functionality to a rendered document via association with an electronic counterpart
US11/097,981 2005-04-01
US11/097,103 US7596269B2 (en) 2004-02-15 2005-04-01 Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US11/097,093 US20060041605A1 (en) 2004-04-01 2005-04-01 Determining actions involving captured information and electronic content associated with rendered documents
US11/098,038 2005-04-01
US11/097,836 2005-04-01
US11/098,038 US7599844B2 (en) 2004-02-15 2005-04-01 Content access with handheld document data capture devices
US11/098,043 US20060053097A1 (en) 2004-04-01 2005-04-01 Searching and accessing documents on private networks for use with captures from rendered documents
US11/097,089 US8214387B2 (en) 2004-02-15 2005-04-01 Document enhancement system and method
US11/097,833 US8515816B2 (en) 2004-02-15 2005-04-01 Aggregate analysis of text captures performed by multiple users from rendered documents
US11/110,353 2005-04-19
US11/110,353 US7702624B2 (en) 2004-02-15 2005-04-19 Processing techniques for visual capture data from a rendered document
US11/131,945 US7818215B2 (en) 2004-02-15 2005-05-17 Processing techniques for text capture from a rendered document
US11/131,945 2005-05-17
US11/185,908 2005-07-19
US11/185,908 US20060104515A1 (en) 2004-07-19 2005-07-19 Automatic modification of WEB pages
US11/208,457 US20060122983A1 (en) 2004-12-03 2005-08-18 Locating electronic instances of documents based on rendered instances, document fragment digest generation, and digest based document fragment determination
US11/208,461 US8005720B2 (en) 2004-02-15 2005-08-18 Applying scanned information to identify content
US11/208,408 US20060136629A1 (en) 2004-08-18 2005-08-18 Scanner having connected and unconnected operational behaviors
US11/208,461 2005-08-18
US11/208,458 2005-08-18
US11/208,457 2005-08-18
US11/208,458 US7437023B2 (en) 2004-02-15 2005-08-18 Methods, systems and computer program products for data gathering in a digital and hard copy document environment
US11/208,408 2005-08-18

Publications (2)

Publication Number Publication Date
WO2006023806A2 WO2006023806A2 (en) 2006-03-02
WO2006023806A3 true WO2006023806A3 (en) 2010-09-10

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2005/030007 WO2006023937A2 (en) 2004-08-23 2005-08-23 A portable scanning device
PCT/US2005/029680 WO2006023806A2 (en) 2004-08-23 2005-08-23 A method and system for character recognition

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Application Number Title Priority Date Filing Date
PCT/US2005/030007 WO2006023937A2 (en) 2004-08-23 2005-08-23 A portable scanning device

Country Status (1)

Country Link
WO (2) WO2006023937A2 (en)

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US8005720B2 (en) 2004-02-15 2011-08-23 Google Inc. Applying scanned information to identify content
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US8261094B2 (en) 2004-04-19 2012-09-04 Google Inc. Secure data gathering from rendered documents
US8418055B2 (en) 2009-02-18 2013-04-09 Google Inc. Identifying a document by performing spectral analysis on the contents of the document
US8442331B2 (en) 2004-02-15 2013-05-14 Google Inc. Capturing text from rendered documents using supplemental information
US8447066B2 (en) 2009-03-12 2013-05-21 Google Inc. Performing actions based on capturing information from rendered documents, such as documents under copyright
US8447111B2 (en) 2004-04-01 2013-05-21 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
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US8505090B2 (en) 2004-04-01 2013-08-06 Google Inc. Archive of text captures from rendered documents
US8600196B2 (en) 2006-09-08 2013-12-03 Google Inc. Optical scanners, such as hand-held optical scanners
US8620083B2 (en) 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
US8619287B2 (en) 2004-04-01 2013-12-31 Google Inc. System and method for information gathering utilizing form identifiers
US8619147B2 (en) 2004-02-15 2013-12-31 Google Inc. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to a rendered document
US8713418B2 (en) 2004-04-12 2014-04-29 Google Inc. Adding value to a rendered document
US8793162B2 (en) 2004-04-01 2014-07-29 Google Inc. Adding information or functionality to a rendered document via association with an electronic counterpart
US8799303B2 (en) 2004-02-15 2014-08-05 Google Inc. Establishing an interactive environment for rendered documents
US8874504B2 (en) 2004-12-03 2014-10-28 Google Inc. Processing techniques for visual capture data from a rendered document
US8903759B2 (en) 2004-12-03 2014-12-02 Google Inc. Determining actions involving captured information and electronic content associated with rendered documents
US8990235B2 (en) 2009-03-12 2015-03-24 Google Inc. Automatically providing content associated with captured information, such as information captured in real-time
US9116890B2 (en) 2004-04-01 2015-08-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
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US8831365B2 (en) 2004-02-15 2014-09-09 Google Inc. Capturing text from rendered documents using supplement information
US8019648B2 (en) 2004-02-15 2011-09-13 Google Inc. Search engines and systems with handheld document data capture devices
US8447144B2 (en) 2004-02-15 2013-05-21 Google Inc. Data capture from rendered documents using handheld device
US8799303B2 (en) 2004-02-15 2014-08-05 Google Inc. Establishing an interactive environment for rendered documents
US8214387B2 (en) 2004-02-15 2012-07-03 Google Inc. Document enhancement system and method
US8619147B2 (en) 2004-02-15 2013-12-31 Google Inc. Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device
US8005720B2 (en) 2004-02-15 2011-08-23 Google Inc. Applying scanned information to identify content
US8442331B2 (en) 2004-02-15 2013-05-14 Google Inc. Capturing text from rendered documents using supplemental information
US8515816B2 (en) 2004-02-15 2013-08-20 Google Inc. Aggregate analysis of text captures performed by multiple users from rendered documents
US9514134B2 (en) 2004-04-01 2016-12-06 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US8781228B2 (en) 2004-04-01 2014-07-15 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US8447111B2 (en) 2004-04-01 2013-05-21 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US9454764B2 (en) 2004-04-01 2016-09-27 Google Inc. Contextual dynamic advertising based upon captured rendered text
US8505090B2 (en) 2004-04-01 2013-08-06 Google Inc. Archive of text captures from rendered documents
US9116890B2 (en) 2004-04-01 2015-08-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US8793162B2 (en) 2004-04-01 2014-07-29 Google Inc. Adding information or functionality to a rendered document via association with an electronic counterpart
US8619287B2 (en) 2004-04-01 2013-12-31 Google Inc. System and method for information gathering utilizing form identifiers
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to a rendered document
US9633013B2 (en) 2004-04-01 2017-04-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US9143638B2 (en) 2004-04-01 2015-09-22 Google Inc. Data capture from rendered documents using handheld device
US8713418B2 (en) 2004-04-12 2014-04-29 Google Inc. Adding value to a rendered document
US8261094B2 (en) 2004-04-19 2012-09-04 Google Inc. Secure data gathering from rendered documents
US8799099B2 (en) 2004-05-17 2014-08-05 Google Inc. Processing techniques for text capture from a rendered document
US8489624B2 (en) 2004-05-17 2013-07-16 Google, Inc. Processing techniques for text capture from a rendered document
US9275051B2 (en) 2004-07-19 2016-03-01 Google Inc. Automatic modification of web pages
US7990556B2 (en) 2004-12-03 2011-08-02 Google Inc. Association of a portable scanner with input/output and storage devices
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
US8903759B2 (en) 2004-12-03 2014-12-02 Google Inc. Determining actions involving captured information and electronic content associated with rendered documents
US8081849B2 (en) 2004-12-03 2011-12-20 Google Inc. Portable scanning and memory device
US8600196B2 (en) 2006-09-08 2013-12-03 Google Inc. Optical scanners, such as hand-held optical scanners
US8638363B2 (en) 2009-02-18 2014-01-28 Google Inc. Automatically capturing information, such as capturing information using a document-aware device
US8418055B2 (en) 2009-02-18 2013-04-09 Google Inc. Identifying a document by performing spectral analysis on the contents of the document
US8990235B2 (en) 2009-03-12 2015-03-24 Google Inc. Automatically providing content associated with captured information, such as information captured in real-time
US8447066B2 (en) 2009-03-12 2013-05-21 Google Inc. Performing actions based on capturing information from rendered documents, such as documents under copyright

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Publication number Publication date
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WO2006023937A3 (en) 2008-06-26
WO2006023937A2 (en) 2006-03-02

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