PROCESS AND DEVICE FOR SHOWING PICTURES PROJECTED IN FRONT OF PASSENGERS OF MOVING VEHICLES

摘要

A method and apparatus for projecting images, advertisements and the like to passengers of moving vehicles. A projector is placed on the vehicle and it projects an image on the walls of a train tunnel, clouds near an airplane, etc. as the vehicle moves. A technique is provided for correcting distortion caused by the positional changes between the vehicle and the projection surface.