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a technology applied in the field of abnormality detection and surveillance system, trainable surveillance system, can solve the problems of poor resolution and complex viewing, fewer personnel to adequately supervise monitors, and improvement,
Inactive Publication Date: 2013-05-21
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These improvements allow fewer personnel to adequately supervise the monitors to cover the larger protected area.
These improvements, however, still require the constant attention of at least one person.
The above described multiple-image / single screen systems suffered from poor resolution and complex viewing.
Eventually, it was recognized that human personnel could not reliably monitor the “real-time” images from one or several cameras for long “watch” periods of time.
As discussed above, it is the human link which lowers the overall reliability of the entire surveillance system.
The surveillance system disclosed in U.S. Pat. No. 4,737,847 does remove some of the monitoring responsibility otherwise placed on human personnel, however, such a system can only determine an intruder's “intent” by his presence relative to particular zones.
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[0052]Referring to FIG. 1, the basic elements of one embodiment of the invention are illustrated, including picture input means 10, which may be any conventional electronic picture pickup device operational within the infrared or visual spectrum (or both) including a vidicon and a CCD / TV camera (including the wireless type).
[0053]In another embodiment of picture input means 10, there is the deployment of a high rate camera / recorder (similar to those made by NAC Visual Systems of Woodland Hills, Calif., SONY and others). Such high rate camera / recorder systems are able to detect and record very rapid movements of body parts that are commonly indicative of a criminal intent. Such fast movements might not be resolved with a more standard 30 frames per second camera. However, most movements will be resolved with a standard 30 frames per second camera.
[0054]This picture means, may also be triggered by an alert signal from the processor of the low resolution camera or, as before, from the ...
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Abstract
A surveillance system having at least one primary video camera for translating real images of a zone into electronic video signals at a first level of resolution. The system includes means for sampling movements of an individual or individuals located within the zone from the video signal output from at least one video camera. Video signals of sampled movements of the individual is electronically compared with known characteristics of movements which are indicative of individuals having a criminal intent. The level of criminal intent of the individual or individuals is then determined and an appropriate alarm signal is produced.
Description
CROSS-REFERENCE TO COPENDING PATENT APPLICATION[0001]This isThis application is a continuation of U.S. patent application Ser. No. 12 / 466,340, filed May 14, 2009, now U.S. Pat. No. Re. 42,690, which is a Reissue of U.S. patent application Ser. No. 08 / 898,470, filed Jul. 22, 1997, now U.S. Pat. No. 6,028,626 which is a continuation in part of patent application Ser. No. 08 / 367,712, filed Jan. 3, 1995, now U.S. Pat. No. 5,666,157, each of which are incorporated herein be reference in their entirety.BACKGROUND OF THE INVENTION[0002]A) Field of the Invention[0003]This invention generally relates to surveillance systems, and more particularly, to trainable surveillance systems which detect and respond to specific abnormal video and audio input signals.[0004]B) Background of the Invention[0005]Today's surveillance systems vary in complexity, efficiency and accuracy. Earlier surveillance systems use several closed circuit cameras, each connected to a devoted monitor. This type of system wo...
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