US 12,250,472 B2
Surveillance system for a road with alternating units and associated method
Pascal Poisson, Sceaux (FR); Vincent Bonnevay, Lyons (FR); Benedetto Carambia, Florence (IT); Andrea Del-Chiaro, Florence (IT); Antonio Malagutti, Bologna (IT); and Andrea Malesci, Florence (IT)
Assigned to ALSTOM Holdings, Saint-Ouen-sur-Seine (FR)
Filed by ALSTOM Holdings, St Ouen sur Seine (FR)
Filed on Oct. 18, 2022, as Appl. No. 18/047,600.
Claims priority of application No. 21 11133 (FR), filed on Oct. 20, 2021.
Prior Publication US 2023/0119417 A1, Apr. 20, 2023
Int. Cl. H04N 23/90 (2023.01); G06V 20/54 (2022.01); G08G 1/04 (2006.01); H04N 7/18 (2006.01)
CPC H04N 23/90 (2023.01) [G06V 20/54 (2022.01); G08G 1/04 (2013.01); H04N 7/18 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A surveillance system for traffic on a road, comprising a plurality of surveillance units, every surveillance unit being mounted at height, every surveillance unit comprising at least one sensor for detecting the traffic on the road, wherein the plurality of surveillance units are arranged so that the traffic detection sensors of all the surveillance units cover the entire road, and the plurality of surveillance units are placed along the road alternately on a first side and on a second side of the road, and at a regular interval along a direction of the road with a tolerance depending on a topology of the road, wherein the plurality of surveillance units are placed at the regular interval such that every location of the road is within a field of view of at least two sensors of which one sensor is comprised in one of the plurality of surveillance units and another sensor is comprised in another of the plurality of surveillance units.