METHOD OF DETECTING PRESENCE AND MOTION FOR DOOR CONTROL DEVICES AND DOOR CONTROL DEVICES IMPLEMENTING SUCH A METHOD

摘要

The invention relates to a method of detecting presence and motion for door control devices. It also concerns a door control device implementing the method of the invention. On receipt of a door opening command (24), at least a portion of at least one image captured by a digital camera of the floor area is compressed (28) and the compressed image is compared (32) with at least one active presence criterion to inhibit or not inhibit the door closure command (34).