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AL-HAJMAH GROUP OF COMPANIES

Illegal Parking Detection / illegally stopped :
  • Illegal Parking Detection / illegally stopped :

One interesting application of midground detection is monitoring vehicle traffic and signaling an alarm when a vehicle parks illegally. In this application, vehicles must be detected that drive into a scene, stop, and remain stationary in no-parking zones, such as double-parking on a heavily trafficked street or parking partially on the street but with one or more wheels on the curb.

Scenes from the i-LIDS (AVSS2007) Parked Vehicle Challenge Dataset at each of the three difficulty levels - Easy (a), Medium (b), and Hard (c).

1. A system for detecting and warning an illegally parked vehicle, comprising:

A television (TV) camera for imaging a prescribed roadside zone where parking is prohibited at a prescribed time interval and producing a still TV image:

Means for storing said produced still TV image:

Means for storing a TV image of a prescribed pattern painted on said roadside zone without any vehicle present, as a reference image:

Means for comparing said still TV image with said reference so as to periodically produce vehicle presence images indicative of a presence of a vehicle in said roadside zone based upon a shape and position of a portion of said prescribed pattern which is hidden by said vehicle and storing said vehicle presence information image:

Means for detecting a move-off of said vehicle by comparing said vehicle presence images at a prescribed time interval:

Means for warning said vehicle upon detecting that the vehicle has not moved off before expiration of a prescribed time; and means for transmitting information of said vehicle to an external control center.

2. An illegally parked vehicle detecting and warning system according to claim 1, further comprising means for recognizing a license number of said vehicle operating such that the license number of a vehicle which has been parked in excess of a prescribed time length is read visually by an operator or recognized with a character recognition device.

3. An illegally parked vehicle detecting and warning system according to claim 1, further comprising means for compressing a signal transmission band, said means implementing the band compression for the TV image signal and supplying a band-compressed signal to said transmission means.

4. A method for detecting and warning an illegally parked vehicle, comprising the steps of: storing a pattern which is painted on a roadside; detecting and storing a vehicle presence information of a position and shape of an illegally parked vehicle based on a change in the pattern caused by parking of the vehicle:

Detecting move-off of a vehicle based on a time-based comparison of the vehicle presence information; emitting a warning to said vehicle if it has not been moved off before expiration of a prescribed time: and

Transmitting information on the illegally parked vehicle to a control center.

 
 
 

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