DE3751612D1 - Gerät zum lesen eines nummernschildes. - Google Patents

Gerät zum lesen eines nummernschildes.

Info

Publication number
DE3751612D1
DE3751612D1 DE3751612T DE3751612T DE3751612D1 DE 3751612 D1 DE3751612 D1 DE 3751612D1 DE 3751612 T DE3751612 T DE 3751612T DE 3751612 T DE3751612 T DE 3751612T DE 3751612 D1 DE3751612 D1 DE 3751612D1
Authority
DE
Germany
Prior art keywords
license plate
section
character
state
characters
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
DE3751612T
Other languages
English (en)
Other versions
DE3751612T2 (de
Inventor
Rafael Gonzalez
Juan Herrera
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.)
Perceptics Corp
Original Assignee
Perceptics Corp
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 Perceptics Corp filed Critical Perceptics Corp
Application granted granted Critical
Publication of DE3751612D1 publication Critical patent/DE3751612D1/de
Publication of DE3751612T2 publication Critical patent/DE3751612T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • 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
    • G06V20/63—Scene text, e.g. street names
    • 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
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/09—Recognition of logos
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/10—Recognition assisted with metadata
DE3751612T 1986-05-05 1987-05-04 Gerät zum lesen eines nummernschildes. Expired - Lifetime DE3751612T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/859,639 US4817166A (en) 1986-05-05 1986-05-05 Apparatus for reading a license plate
PCT/US1987/001077 WO1987007057A1 (en) 1986-05-05 1987-05-04 Apparatus for reading a license plate

Publications (2)

Publication Number Publication Date
DE3751612D1 true DE3751612D1 (de) 1996-01-04
DE3751612T2 DE3751612T2 (de) 1996-07-11

Family

ID=25331394

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751612T Expired - Lifetime DE3751612T2 (de) 1986-05-05 1987-05-04 Gerät zum lesen eines nummernschildes.

Country Status (6)

Country Link
US (1) US4817166A (de)
EP (1) EP0310611B1 (de)
JP (2) JPH01502371A (de)
AT (1) ATE130691T1 (de)
DE (1) DE3751612T2 (de)
WO (1) WO1987007057A1 (de)

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Also Published As

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JPH07302304A (ja) 1995-11-14
EP0310611A4 (en) 1992-03-18
EP0310611A1 (de) 1989-04-12
EP0310611B1 (de) 1995-11-22
WO1987007057A1 (en) 1987-11-19
DE3751612T2 (de) 1996-07-11
ATE130691T1 (de) 1995-12-15
US4817166A (en) 1989-03-28
JPH01502371A (ja) 1989-08-17

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