Road detection on a long curve with lots of fog :
road detection in suck a case is difficult because ::
. road markings are blurred (see the left white line)
. curve generated folded shapes that may show straight lines where there are not
. thick fog changes the seen texture of the road
That is why NEXYAD is currently testing their road detection module on complicated cases (night, fog, rain, sun in front of the camera, ...).
To read more : http://nexyad.net/Automotive-Transportation/?p=2027