1. A detection system for a vehicle, the system comprising: at least one image capture device configured to acquire a plurality of images of an area forward of the vehicle, the area including a curb separating a road surface from an off-road surface; a data interface; and at least one processing device programmed to: receive the plurality of images via the data interface; determine a plurality of curb edge line candidates in the plurality of images; and identify at least one curb edge line candidate as an edge line of the curb.