DE69731710D1 - Lokalisierung von Schablonen in optischen Zeichenerkennungsanlagen - Google Patents

Lokalisierung von Schablonen in optischen Zeichenerkennungsanlagen

Info

Publication number
DE69731710D1
DE69731710D1 DE69731710T DE69731710T DE69731710D1 DE 69731710 D1 DE69731710 D1 DE 69731710D1 DE 69731710 T DE69731710 T DE 69731710T DE 69731710 T DE69731710 T DE 69731710T DE 69731710 D1 DE69731710 D1 DE 69731710D1
Authority
DE
Germany
Prior art keywords
templates
localization
character recognition
optical character
recognition systems
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 - Lifetime
Application number
DE69731710T
Other languages
English (en)
Inventor
Reuven Ackner
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69731710D1 publication Critical patent/DE69731710D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G06V30/2253—Recognition of characters printed with magnetic ink
    • 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
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • 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
    • G06V30/19007—Matching; Proximity measures
    • G06V30/19013—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V30/1902—Shifting or otherwise transforming the patterns to accommodate for positional errors
    • 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)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
DE69731710T 1996-10-01 1997-09-30 Lokalisierung von Schablonen in optischen Zeichenerkennungsanlagen Expired - Lifetime DE69731710D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/724,478 US6081621A (en) 1996-10-01 1996-10-01 Positioning templates in optical character recognition systems

Publications (1)

Publication Number Publication Date
DE69731710D1 true DE69731710D1 (de) 2004-12-30

Family

ID=24910591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731710T Expired - Lifetime DE69731710D1 (de) 1996-10-01 1997-09-30 Lokalisierung von Schablonen in optischen Zeichenerkennungsanlagen

Country Status (4)

Country Link
US (1) US6081621A (de)
EP (1) EP0834826B1 (de)
JP (1) JPH10116316A (de)
DE (1) DE69731710D1 (de)

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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
US8621349B2 (en) 2004-04-01 2013-12-31 Google Inc. Publishing techniques for adding value to a rendered document
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US20060081714A1 (en) 2004-08-23 2006-04-20 King Martin T Portable scanning device
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US20080313172A1 (en) 2004-12-03 2008-12-18 King Martin T Determining actions involving captured information and electronic content associated with rendered documents
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US20070300142A1 (en) 2005-04-01 2007-12-27 King Martin T Contextual dynamic advertising based upon captured rendered text
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US8620083B2 (en) 2004-12-03 2013-12-31 Google Inc. Method and system for character recognition
US8346620B2 (en) 2004-07-19 2013-01-01 Google Inc. Automatic modification of web pages
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US8175387B1 (en) * 2007-09-19 2012-05-08 Trend Micro, Inc. Image similarity detection using approximate pattern matching
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DE202010018601U1 (de) 2009-02-18 2018-04-30 Google LLC (n.d.Ges.d. Staates Delaware) Automatisches Erfassen von Informationen, wie etwa Erfassen von Informationen unter Verwendung einer dokumentenerkennenden Vorrichtung
US8990235B2 (en) 2009-03-12 2015-03-24 Google Inc. Automatically providing content associated with captured information, such as information captured in real-time
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Also Published As

Publication number Publication date
EP0834826A3 (de) 1999-10-06
JPH10116316A (ja) 1998-05-06
EP0834826B1 (de) 2004-11-24
EP0834826A2 (de) 1998-04-08
US6081621A (en) 2000-06-27

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Legal Events

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