Method of raindrop detection on a vehicle windscreen and driving assistance device

摘要

The invention relates to a method of raindrop detection on a vehicle windscreen by capturing images using a camera which is at least focused on the windscreen, including a step of detecting edges (102) in a research area of said captured images, characterized in that said method of raindrop detection comprises a rejection step (103) in which edges that are uncharacteristic with respect to a raindrop are rejected. This invention also relates to an associated driving assistance device.

主权项

1. A method of raindrop detection on a vehicle windscreen by capturing images using a camera which is at least focused on the windscreen, comprising:
detecting edges in a research area of the images captured by the camera; and rejecting edges that are uncharacteristic with respect to a raindrop, wherein rejecting edges comprises selecting closed edges corresponding to raindrops shaped elliptically or substantially round and rejecting unclosed edges.