Road marking label screening method, model training method, marking method and device

The invention discloses a road marking label screening method, a model training method and a marking method and device. The road marking label screening method comprises the steps that a local high-precision map of the current position of a vehicle is obtained, the local high-precision map comprises road key points and road marking labels corresponding to the road key points, the point cloud of the current position of the vehicle is obtained, the road key points are filtered through the point cloud, and the road marking labels are obtained; and outputting the road key points reserved after filtering and the road marking labels corresponding to the road key points. According to the method, the road marking labels are filtered by adopting the point cloud, so that the required road marking labels are screened out, the interference of irrelevant roads on the road marking labels is effectively avoided, the effectiveness and the reliability of the road marking labels are improved, and efficient, accurate and robust