INTRUDER DETECTION THROUGH TRAJECTORY ANALYSIS IN MONITORING AND SURVEILLANCE SYSTEMS

摘要

A security monitoring system including: at least one camera for monitoring a path of an individual inside and/or outside a structure; a recorder for recording the monitoring of the individual; trajectory analyzer for computing a trajectory of the path of the individual from the recorded monitoring; comparator for comparing the trajectory against known trajectories; and an alarm system for transmitting an alarm signal if the trajectory does not match one of the known trajectories. Preferably a video camera is used in each of an entrance, exit, and one or more rooms of the structure and the recorder records video segments of the path of the individual inside and/or outside the structure. Preferably the system also includes: a database for storing image data for each authorized individual of the structure; and a recognition system for comparing images of the individual from the at least one camera with the stored image data in the database and for determining if the individual is one of the authorized individuals, where the alarm system transmits the alarm signal if the trajectory does not match one of the known trajectories or the individual is determined not to be one of the authorized individuals.