VERFAHREN ZUR ERKENNUNG VON NÄCHTLICHEM NEBEL UND SYSTEM ZUR UMSETZUNG DIESES VERFAHRENS

摘要

The method involves acquiring an image of a road scene in front of a vehicle, and extracting, on the scene image, light halos produced by a headlight of a road vehicle. The shapes of the light halos are approximated by an elliptic curve. The shapes of the light halos are compared with the obtained elliptic curve to deduce the presence or the absence of night fog disturbing the visibility.