Patent ID: 6496220
Filing Date: 2002-12-17
Classification: G06K,G08B

Abstract:
A method of controlling door installations as a function of the presence of objects and persons, wherein the region of the door installation is continuously observed by at least one video camera and optional sensor comprising the steps of:monitoring motions of said object and person within the space through said at least one video camera and optional sensor, apprehending data from said at least one said video camera and optional sensor representative of the nature of the objects and persons moving within said space as well as their location, direction and speed of movement in relation to said space; and analyzing the video image and optional other sensed data to determine whether the moving object is a person authorized to use the door installation and is intending to do so, and, if so, determining the location and direction and speed of movement of the moving object, and controlling the door as a function of the location and the direction and speed of movement of the object, and wherein the space required by an object for the unhindered passage of the door installation, for example, the width of a person, is determined and thereby the matching of the opening width of the door to the object width takes place.