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

A method and system for character recognition Download PDF

Info

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
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.)
Ceased
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
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.)
Exbiblio BV
Original Assignee
Exbiblio BV
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 US11/097,093 external-priority patent/US20060041605A1/en
Priority claimed from US11/097,961 external-priority patent/US20060041484A1/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 BV filed Critical Exbiblio BV
Publication of WO2006023806A2 publication Critical patent/WO2006023806A2/en
Anticipated expiration legal-status Critical
Publication of WO2006023806A3 publication Critical patent/WO2006023806A3/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G06V30/10—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 OR CALCULATING; 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 Ceased WO2006023806A2 (en)

Applications Claiming Priority (152)

Application Number Priority Date Filing Date Title
US60409804P 2004-08-23 2004-08-23
US60410204P 2004-08-23 2004-08-23
US60410304P 2004-08-23 2004-08-23
US60410004P 2004-08-23 2004-08-23
US60/604,102 2004-08-23
US60/604,100 2004-08-23
US60/604,103 2004-08-23
US60/604,098 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
US61324204P 2004-09-27 2004-09-27
US61363404P 2004-09-27 2004-09-27
US61340004P 2004-09-27 2004-09-27
US61336104P 2004-09-27 2004-09-27
US61362804P 2004-09-27 2004-09-27
US61346104P 2004-09-27 2004-09-27
US61363204P 2004-09-27 2004-09-27
US61363304P 2004-09-27 2004-09-27
US61324304P 2004-09-27 2004-09-27
US61333904P 2004-09-27 2004-09-27
US61358904P 2004-09-27 2004-09-27
US61345404P 2004-09-27 2004-09-27
US61334104P 2004-09-27 2004-09-27
US61346004P 2004-09-27 2004-09-27
US61345504P 2004-09-27 2004-09-27
US61334004P 2004-09-27 2004-09-27
US61345604P 2004-09-27 2004-09-27
US61360204P 2004-09-27 2004-09-27
US60/613,341 2004-09-27
US60/613,461 2004-09-27
US60/613,602 2004-09-27
US60/613,634 2004-09-27
US60/613,400 2004-09-27
US60/613,242 2004-09-27
US60/613,589 2004-09-27
US60/613,455 2004-09-27
US60/613,340 2004-09-27
US60/613,632 2004-09-27
US60/613,339 2004-09-27
US60/613,460 2004-09-27
US60/613,628 2004-09-27
US60/613,361 2004-09-27
US60/613,454 2004-09-27
US60/613,456 2004-09-27
US60/613,633 2004-09-27
US60/613,243 2004-09-27
US61553804P 2004-10-01 2004-10-01
US61537804P 2004-10-01 2004-10-01
US61511204P 2004-10-01 2004-10-01
US60/615,112 2004-10-01
US60/615,378 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
US63345304P 2004-12-06 2004-12-06
US63348604P 2004-12-06 2004-12-06
US63367804P 2004-12-06 2004-12-06
US63345204P 2004-12-06 2004-12-06
US60/633,453 2004-12-06
US60/633,452 2004-12-06
US60/633,678 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
US65384705P 2005-02-16 2005-02-16
US65366905P 2005-02-16 2005-02-16
US65389905P 2005-02-16 2005-02-16
US65366305P 2005-02-16 2005-02-16
US65367905P 2005-02-16 2005-02-16
US60/653,663 2005-02-16
US60/653,847 2005-02-16
US60/653,669 2005-02-16
US60/653,679 2005-02-16
US60/653,899 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
US60/654,368 2005-02-18
US60/654,196 2005-02-18
US65527905P 2005-02-22 2005-02-22
US65598705P 2005-02-22 2005-02-22
US65528005P 2005-02-22 2005-02-22
US65528105P 2005-02-22 2005-02-22
US65569705P 2005-02-22 2005-02-22
US60/655,281 2005-02-22
US60/655,280 2005-02-22
US60/655,697 2005-02-22
US60/655,279 2005-02-22
US60/655,987 2005-02-22
US65730905P 2005-02-28 2005-02-28
US60/657,309 2005-02-28
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
US11/098,043 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
US11/098,016 2005-04-01
US11/097,093 US20060041605A1 (en) 2004-04-01 2005-04-01 Determining actions involving captured information and electronic content associated with rendered documents
US11/097,961 2005-04-01
US11/097,981 2005-04-01
US11/097,836 US20060041538A1 (en) 2004-02-15 2005-04-01 Establishing an interactive environment for rendered documents
US11/097,835 US7831912B2 (en) 2004-02-15 2005-04-01 Publishing techniques for adding value to a rendered document
US11/098,016 US7421155B2 (en) 2004-02-15 2005-04-01 Archive of text captures from rendered documents
US11/097,828 2005-04-01
US11/097,981 US7606741B2 (en) 2004-02-15 2005-04-01 Information gathering system and method
US11/096,704 2005-04-01
US11/097,093 2005-04-01
US11/098,014 US8019648B2 (en) 2004-02-15 2005-04-01 Search engines and systems with handheld document data capture devices
US11/097,833 US8515816B2 (en) 2004-02-15 2005-04-01 Aggregate analysis of text captures performed by multiple users from rendered documents
US11/097,833 2005-04-01
US11/097,089 2005-04-01
US11/098,042 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
US11/098,038 US7599844B2 (en) 2004-02-15 2005-04-01 Content access with handheld document data capture devices
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
US11/097,836 2005-04-01
US11/097,089 US8214387B2 (en) 2004-02-15 2005-04-01 Document enhancement system and method
US11/098,038 2005-04-01
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
US11/098,014 2005-04-01
US11/098,042 US7593605B2 (en) 2004-02-15 2005-04-01 Data capture from rendered documents using handheld device
US11/097,103 2005-04-01
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 2005-05-17
US11/131,945 US7818215B2 (en) 2004-02-15 2005-05-17 Processing techniques for text capture from a rendered document
US11/185,908 US20060104515A1 (en) 2004-07-19 2005-07-19 Automatic modification of WEB pages
US11/185,908 2005-07-19
US11/208,461 2005-08-18
US11/208,408 2005-08-18
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
US11/208,457 2005-08-18
US11/208,458 2005-08-18
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
US11/208,458 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

Publications (2)

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

Family

ID=35968242

Family Applications (2)

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

Family Applications After (1)

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

Country Status (1)

Country Link
WO (2) WO2006023806A2 (en)

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US7990556B2 (en) 2004-12-03 2011-08-02 Google Inc. Association of a portable scanner with input/output and storage devices
US8005720B2 (en) 2004-02-15 2011-08-23 Google Inc. Applying scanned information to identify content
US8081849B2 (en) 2004-12-03 2011-12-20 Google Inc. Portable scanning and memory device
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
US8489624B2 (en) 2004-05-17 2013-07-16 Google, Inc. Processing techniques for text capture from a rendered document
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
US9143638B2 (en) 2004-04-01 2015-09-22 Google Inc. Data capture from rendered documents using handheld device
US9275051B2 (en) 2004-07-19 2016-03-01 Google Inc. Automatic modification of web pages
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US9400806B2 (en) 2011-06-08 2016-07-26 Hewlett-Packard Development Company, L.P. Image triggered transactions
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US8447144B2 (en) 2004-02-15 2013-05-21 Google Inc. Data capture from rendered documents using handheld device
US8005720B2 (en) 2004-02-15 2011-08-23 Google Inc. Applying scanned information to identify content
US8019648B2 (en) 2004-02-15 2011-09-13 Google Inc. Search engines and systems with handheld document data capture devices
US8831365B2 (en) 2004-02-15 2014-09-09 Google Inc. Capturing text from rendered documents using supplement information
US8214387B2 (en) 2004-02-15 2012-07-03 Google Inc. Document enhancement system and method
US8799303B2 (en) 2004-02-15 2014-08-05 Google Inc. Establishing an interactive environment for rendered documents
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
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
US8619287B2 (en) 2004-04-01 2013-12-31 Google Inc. System and method for information gathering utilizing form identifiers
US8447111B2 (en) 2004-04-01 2013-05-21 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
US8505090B2 (en) 2004-04-01 2013-08-06 Google Inc. Archive of text captures from rendered documents
US9633013B2 (en) 2004-04-01 2017-04-25 Google Inc. Triggering actions in response to optically or acoustically capturing keywords from a rendered document
US9514134B2 (en) 2004-04-01 2016-12-06 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
US9116890B2 (en) 2004-04-01 2015-08-25 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
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to 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
US8489624B2 (en) 2004-05-17 2013-07-16 Google, Inc. Processing techniques for text capture from a rendered document
US8799099B2 (en) 2004-05-17 2014-08-05 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
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
US8620083B2 (en) 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
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

Also Published As

Publication number Publication date
WO2006023937A3 (en) 2008-06-26
WO2006023937A2 (en) 2006-03-02
WO2006023806A2 (en) 2006-03-02

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