DEVELOPMENT OF TUNNEL WALL IMAGE ACQUIRING SYSTEM

摘要

PURPOSE: A development of a tunnel wall image acquiring system is provided to display the state of the tunnel wall through a development image. CONSTITUTION: A plurality of video cameras(12) photographs opposed walls of a tunnel into a moving picture. An image processing unit(13) processes an image data from a video camera. A travel acquiring unit(13b) acquires a distance which a vehicle is moved. A plurality of laser pointers display a light spot to the tunnel wall.