Patent 7813525 was granted and assigned to Sarnoff Corporation on October, 2010 by the United States Patent and Trademark Office.
A method and apparatus for detecting suspicious activities is disclosed. In one embodiment at least one low-level feature set is detected in a plurality of frames of a sequence of scene imagery. The frame-to-frame associations of the detected low-level feature set are determined, and suspicious activities is identifying on the bases of these frame-to-frame associations.