METHOD FOR MONITORING A TRAFFIC STREAM AND A TRAFFIC MONITORING DEVICE

摘要

A traffic monitoring device may comprise a radar and a camera, said radar having a radar field of view extending around a radar central axis and said camera having a camera field of view extending around a camera central axis in such a manner that said radar field of view is situated within said camera field of view. The radar and the camera may be positioned so that their central axis of their field of view make a predetermined angle with respect to each other, said radar being provided for determining coordinates of moving objects. The device may comprise selecting means for selecting within said image an image section or portion representing at least part of said radar field of view and may also comprise transformation means for transforming said coordinates of said moving object within said image portion into further coordinates relative to an image reference frame for display.