System for detecting and warning an illegally parked vehicle

Details System for detecting and warning an illegally parked vehicle System for detecting and warning an illegally parked vehicle

1991-10-01

1994-08-30

Hjerpe, Richard

Television

Special applications

Observation of or from a specific location

3409322, H04N 718

Patent

active

053432371

ABSTRACT:
In a system for detecting and warning an illegally parked vehicle a television (TV) camera images a prescribed roadside zone where parking is prohibited at a prescribed time interval. A produced still TV image is stored, and a TV image of a prescribed pattern painted on the roadside without any vehicle is stored as a reference image. The still image is compared with the reference image thereby to produce an image which carries information indicative of the presence of a vehicle in the zone and the vehicle presence information image is stored. The move-off of the vehicle is detected by comparing images of the vehicle presence information storage at a prescribed time interval. The vehicle is warned of illegal parking upon detecting that the vehicle does not move off before expiration of a prescribed time.

REFERENCES:
patent: 3858223 (1974-12-01), Holzapfel

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