DE60031929D1 - Verfahren zum Trennen von Zeichen für die Erkennung von Kraftfahrzeugskennzeichenschildern - Google Patents

Verfahren zum Trennen von Zeichen für die Erkennung von Kraftfahrzeugskennzeichenschildern

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Publication number
DE60031929D1
DE60031929D1 DE60031929T DE60031929T DE60031929D1 DE 60031929 D1 DE60031929 D1 DE 60031929D1 DE 60031929 T DE60031929 T DE 60031929T DE 60031929 T DE60031929 T DE 60031929T DE 60031929 D1 DE60031929 D1 DE 60031929D1
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Prior art keywords
image
suspected
confidence score
license plate
regions
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Expired - Lifetime
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DE60031929T
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DE60031929T2 (de
Inventor
Jenn-Kwei Tyan
Claus Neubauer
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Siemens Corp
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Siemens Corporate Research Inc
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Publication of DE60031929D1 publication Critical patent/DE60031929D1/de
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Publication of DE60031929T2 publication Critical patent/DE60031929T2/de
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    • 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
    • G06V30/153—Segmentation of character regions using recognition of characters or words
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • 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

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  • Engineering & Computer Science (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)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
DE60031929T 1999-09-15 2000-09-07 Verfahren zum Trennen von Zeichen für die Erkennung von Kraftfahrzeugskennzeichenschildern Expired - Lifetime DE60031929T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US396952 1999-09-15
US09/396,952 US6473517B1 (en) 1999-09-15 1999-09-15 Character segmentation method for vehicle license plate recognition

Publications (2)

Publication Number Publication Date
DE60031929D1 true DE60031929D1 (de) 2007-01-04
DE60031929T2 DE60031929T2 (de) 2007-03-15

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Country Status (5)

Country Link
US (1) US6473517B1 (de)
EP (1) EP1085456B1 (de)
AT (1) ATE346350T1 (de)
DE (1) DE60031929T2 (de)
ES (1) ES2275474T3 (de)

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EP1085456B1 (de) 2006-11-22
ES2275474T3 (es) 2007-06-16
US6473517B1 (en) 2002-10-29
EP1085456A3 (de) 2004-03-03
DE60031929T2 (de) 2007-03-15
EP1085456A2 (de) 2001-03-21

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