Fast response CCTV image recall and motion detection

An Advanced Alarm Assessment System has resulted from the merging of two CCTV (closed-circuit television) related technologies: (1) a Presearch Image Capture System (PICS) which captures and displays images from before and after an intrusion alarm; and (b) an IMAGO series video sentry and target tracker which detects motion and, optionally, controls camera pan/tilt. The new technology MPICS (Motion PICS) was evaluated at a Canadian penitentiary. The system uses a transputer network with a distributed image frame store to yield fast recall from many cameras of the events leading up to, at the time of, and just after the alarm. The most likely causes of the alarm are indicated on the display to assist user decision-making. This is especially useful during periods of high alarm activity when many zones may alarm in rapid succession.<
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