Method and apparatus for adaptively selecting context model...

Details Method and apparatus for adaptively selecting context model... Method and apparatus for adaptively selecting context model...

H - Electricity

04

N

H04N 7/32 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2543947

A method and apparatus for adaptively selecting a context model for entropy coding and a video decoder are provided. A method of coding a residual prediction flag indicating whether residual data for an enhancement layer block of a multi-layered video signal is predicted from residual data for a lower layer block corresponding to the residual data for the enhancement layer block includes the steps of calculating the energy of the residual data for the lower layer block, determining a coding method for the residual prediction flag according to the energy, and coding the residual prediction flag using the determined coding method.

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