Patent ID: 6320589
Filing Date: 2001-11-20
Classification: G06T

Abstract:
A method for use in processing a view of a three dimensional world in which a first portion of said world is modeled as computer graphics and a second portion of said world is represented by a video, wherein said video is made up of a sequence of images displayed on a video screen which exists in said first portion of said world, said video displaying a plurality of objects, the method comprising the steps of:determining that an object which is represented as part of said video on said video screen has moved, from the point of view of a viewer of said world, to a location that is off of said video screen, so that said object can no longer be displayed on said video screen and will disappear from said world; andchanging the representation of said object from a video representation to one modeled as computer graphics whereby said object remains visible in said world, albeit not on said video screen, and said video screen continues to exist in said world.