Patent ID: 6785403
Filing Date: 2004-08-31
Classification: B60R,G01B,G01S,H04N

Abstract:
A method for inspecting a vehicle-mounted camera, used for a vehicle monitoring system for imaging a view ahead of a vehicle with said camera installed to a vehicle body to recognize a running condition with an image processing unit, said camera being mounted to said vehicle body with a replaceable attachment, said method comprising:imaging an inspection chart with said camera to provide an inspection chart image, said inspection chart having a reference pattern being placed at a predetermined position ahead of the vehicle; identifying said reference pattern in said inspection chart image; determining whether or not it is necessary to adjust an optical axis direction of said camera on a basis of a relationship between a position of said identified reference pattern, and a predetermined correct range defined for an imaging direction of said camera; selecting a replacement attachment member, if it is determined necessary to adjust an optical axis direction of said camera, said replacement attachment member having a shape so that said optical axis direction of said camera falls within said predetermined correct range; and displaying, by a monitor of a vehicle-mounted navigation control unit, an instruction for mounting said camera to said vehicle with said replacement member.