Method, device and computer program product for demultiplexing of video images
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United States of America Patent
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Jul 31, 2012
Grant Date -
Apr 24, 2008
app pub date -
Dec 17, 2007
filing date -
Sep 7, 2001
priority date (Note) -
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Abstract
A method for demultiplexing time-division multiplexed digital video data which originates from multiple sources. The video data is not indexed nor identified to the sources. A first set of digital video data representative of a first image is identified as representative video data of the first source. A second set of digital video data representative of a current image is then retrieved. A difference ratio is calculated using the representative digital video data and the current set of digital video data. If the difference ratio is above a threshold, a display query is prompted to a user to indicate the source. If the response is indicative with a new source, the current set of digital video data is stored to a second memory location associated with the second source and identified as a representative of the second source.
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