Method and apparatus for improved efficiency in transmission...

Details Method and apparatus for improved efficiency in transmission... Method and apparatus for improved efficiency in transmission...

2007-07-17

2007-07-17

Rao, Andy (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240280

Reexamination Certificate

active

09887747

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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patent: 6057884 (2000-05-01), Chen et al.
patent: 6072831 (2000-06-01), Chen
patent: 6263022 (2001-07-01), Chen et al.
patent: 6275531 (2001-08-01), Li
patent: 2003/0026340 (2003-02-01), Divakaran et al.
patent: WO9853613 (1998-04-01), None
patent: WO9819273 (1998-05-01), None

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