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Title:
METHOD FOR COUNTING VEHICLE TRANSITS ON A STRETCH OF ROAD WITH AT LEAST ONE LANE THAT IS NOT AFFECTED BY FALSE TRANSITS DUE TO MOVING SHADOWS
Document Type and Number:
WIPO Patent Application WO/2014/054019
Kind Code:
A8
Abstract:
A method for counting vehicle transits in the lane (3a) of a road (2), wherein, by mean of a device (5) mounted in the vicinity of the road (2a) and having an image sensor (5), video images of the lane (3a, 3b) are captured, a virtual loop (30) positioned in the lane (3a) is defined on the images, the current local time and date for the stretch of road (2a) are acquired, the shadow direction and length (D, L) are calculated as a function of the local time and date and the geostationary coordinates of the road (2a), a prediction area (40), which is associated with the lane (3a, 3b) and is obtained as function of the shape and position of the virtual loop (30) and the shadow direction and length (D, L), is defined on the images, movements over the virtual loop (30) and over the prediction area (40) are detected and the transit of a vehicle in the lane (3a, 3b) is counted on the basis of a comparison between the times of the detected movements.

Inventors:
MAIO DARIO (IT)
MALTONI DAVIDE (IT)
Application Number:
PCT/IB2013/059097
Publication Date:
April 09, 2015
Filing Date:
October 03, 2013
Export Citation:
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Assignee:
UMPI ELETTRONICA SOCIETA A RESPONSABILITA LIMITATA (IT)
International Classes:
G08G1/048; G06K9/00; G08G1/065
Attorney, Agent or Firm:
BOGGIO, Luigi et al. (Via Viotti 9, Torino, IT)
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