Video monitoring and surveillance systems capable of handling asynchronously multiplexed video
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United States of America Patent
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-
Feb 14, 2006
Grant Date -
Jul 3, 2003
app pub date -
Dec 28, 2001
filing date -
Dec 28, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Aspects of the present invention can be configured to demultiplex an asynchronously multiplexed video signal, which comprises images from a number of different cameras. Image matching techniques are used to assign input images with states. After a period, the number of states will generally equal the number of input cameras. The states may be modeled through any number of techniques, such as histogram analysis, clustering, and hidden Markov model analysis. Input images are assigned to states, and the input images are output as being associated with the states. Zone surveillance may be performed on a series of images from one or more of the states. Any events that occur can be distinguished and reported.
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