Method and apparatus for improved efficiency in transmission of fine granular scalable selective enhanced images
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United States of America Patent
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Jul 17, 2007
Grant Date -
Jan 17, 2002
app pub date -
Jun 21, 2001
filing date -
Jul 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Improved efficiency in transmission of FGS encoded video data is achieved by reducing the transmission of overhead information items necessary to decode the received video data. After establishing an initial or first set of criteria for selectively enhancing areas within an image, each subsequent transmission frame includes an indicator that informs a receiving system to decode the current frame using the previously established criteria. The initial criteria include shift factor values specifying selectively enhanced areas of an image; position, displacement vector, size and enhancement factor for at least one area of interest with in an image; and known fixed values contained at both the transmitting and receiving systems.
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