US 12,420,709 B2
Method for automatically adapting a view angle of a rear vision system
Nicolas Berne, Heyrieux (FR); and MinJuan Wang, Gothenburg (SE)
Assigned to Volvo Truck Corporation, Gothenburg (SE)
Filed by Volvo Truck Corporation, Gothenburg (SE)
Filed on Mar. 1, 2023, as Appl. No. 18/115,866.
Claims priority of application No. 22159879 (EP), filed on Mar. 3, 2022.
Prior Publication US 2023/0278494 A1, Sep. 7, 2023
Int. Cl. B60R 1/06 (2006.01); B60R 1/12 (2006.01)
CPC B60R 1/06 (2013.01) [B60R 1/12 (2013.01); B60R 2001/1215 (2013.01); B60R 2001/1253 (2013.01); B60R 2300/302 (2013.01); B60R 2300/70 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for automatically adapting a view angle of a displayed image on a side screen of a rear vision system of a vehicle, said rear vision system having a side camera adapted to generate said displayed image according to a varying view angle between a minimal and maximal value, the method comprising:
obtaining instant Global Positioning System (GPS) location data of the vehicle on a determined interval basis;
obtaining a map of a defined area around the obtained instant GPS location of the vehicle at each determined interval, the map including circulation lanes and merging portions from secondary lanes tangential to main lanes provided with insertion lanes;
determining the location of the vehicle on the map at each determined interval; and
adapting the view angle of the displayed image in function of a location of the vehicle on the map, the view angle being set on a default value when the vehicle is outside the merging portions, and the view angle being progressively varied according to a widening pattern taking into account a direction deviation of a merging portion at the vehicle location with a main lane direction, when the vehicle is along one of the merging portions.