Apparatus for measuring intervehicle distance by stereo vision.

摘要

Horizontal edges, vertical edges, symmetrical axes, T-shaped edges, +-shaped edges, L-shaped edges, &squ& -shaped eges, part of a preceding vehicle and the like are extracted as a vehicle characteristic in images picked up from two video cameras mounted to a vehicle, and a disaprity is determined by utilizing of the correspondece relationship of the exracted vehicle characteristic, thereby measuring a distance to the preceding vehicle.