PROBLEM TO BE SOLVED: To reliably detect an attachment to a lens or unusual change in a lens surface at a low cost.SOLUTION: An on-vehicle camera system 16 comprises: a lens 23 which forms an image of a subject on an image pick-up device; a mirror 25 disposed at a position for reflecting an image of the lens 23 while facing the lens 23; and an image processing unit which detects a change in the lens 23 by checking an image reflected by the mirror 25 against a previously recorded image.SELECTED DRAWING: Figure 2
車載カメラシステム
2020-08-19
Patent
Elektronische Ressource
Japanisch
IPC: | H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien |