Patent ID: 8531521

Claim:
A method of operating a camera, comprising: storing in said camera a map corresponding to an area subject to monitoring by said camera; providing, as an output of said camera, at least one image detected by said camera; and providing, as an additional output of said camera, at least a portion of said map in conjunction with the output of said at least one image detected by said camera, said portion of said map being a map overlay corresponding to an area which is the same as the area to which said at least one image detected by said camera corresponds; wherein providing, as an output of said camera, said at least one image detected by said camera includes providing a video output stream; and wherein providing, as an additional output of said camera, at least a portion of said map includes providing overlay map information at a lower rate than the rate at which images in said video output stream are provided and providing new overlay map information when there is a change in a current field of vision of said camera.