Television – Special applications – Observation of or from a specific location
Patent
1996-07-09
1998-11-03
Britton, Howard
Television
Special applications
Observation of or from a specific location
348159, H04N 718
Patent
active
058316698
ABSTRACT:
A video image of a space is monitored and compared to a reference image. Correlation of the images indicates presence of unwanted persons or objects or the occurrence of unwanted events. When programmed comparison criteria are met, an alarm is activated, the space is displayed on a monitor, and the image is stored in memory. Reference images are stored during dedicated or ongoing learn modes.
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