1. A method for automatically detecting the abnormal behavior of a person, the method comprising the steps of: tracking a series of actions performed by said person to determine the behavior of said person in a predetermined area under surveillance; comparing said determine behavior with at least one of a plurality of predetermined normal behaviors to establish a behavior match; if a match is established, determining whether at least one action from said matched predetermined normal behavior is omitted by said person; and, transmitting an alarm signal when at least one action from said matched predetermined normal behavior is omitted.