ATE346350T1 - 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
ATE346350T1
ATE346350T1 AT00307697T AT00307697T ATE346350T1 AT E346350 T1 ATE346350 T1 AT E346350T1 AT 00307697 T AT00307697 T AT 00307697T AT 00307697 T AT00307697 T AT 00307697T AT E346350 T1 ATE346350 T1 AT E346350T1
Authority
AT
Austria
Prior art keywords
license plate
image
suspected
confidence score
regions
Prior art date
Application number
AT00307697T
Other languages
English (en)
Inventor
Jenn-Kwei Tyan
Claus Neubauer
Original Assignee
Siemens Corp Res 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 Siemens Corp Res Inc filed Critical Siemens Corp Res Inc
Application granted granted Critical
Publication of ATE346350T1 publication Critical patent/ATE346350T1/de

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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
    • G06V30/14—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

Landscapes

  • 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)
AT00307697T 1999-09-15 2000-09-07 Verfahren zum trennen von zeichen für die erkennung von kraftfahrzeugskennzeichenschildern ATE346350T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE346350T1 true ATE346350T1 (de) 2006-12-15

Family

ID=23569273

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00307697T ATE346350T1 (de) 1999-09-15 2000-09-07 Verfahren zum trennen von zeichen für die erkennung von kraftfahrzeugskennzeichenschildern

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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CN111709417B (zh) * 2020-05-28 2023-09-22 西安理工大学 一种矿车车牌识别方法
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CN112381088A (zh) * 2020-11-11 2021-02-19 上善智城(苏州)信息科技有限公司 一种油罐车车牌识别方法及系统
CN112733856B (zh) * 2020-12-31 2022-08-09 成都福立盟环保大数据有限公司 一种大型车辆放大车牌的识别方法
CN113516123B (zh) * 2021-05-14 2023-11-24 南京工程学院 一种针对轮胎压印字符的检测识别方法
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Publication number Publication date
US6473517B1 (en) 2002-10-29
DE60031929T2 (de) 2007-03-15
EP1085456A3 (de) 2004-03-03
EP1085456A2 (de) 2001-03-21
EP1085456B1 (de) 2006-11-22
DE60031929D1 (de) 2007-01-04
ES2275474T3 (es) 2007-06-16

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