CONTEXT INITIALIZATION BASED ON BUFFER OF DECODER PICTURES Russian patent published in 2018 - IPC H04N19/13 H04N19/159 G06T9/00 

FIELD: physics.

SUBSTANCE: slice is received, a flag is received that is used in the definition of one of the three initialization methods, and the context based adaptive binary arithmetic coding (CABAC) context is initialized, associated with the slice type, in this case, in the case where the slice type indicates the type of the slice B and the value of the flag is equal to the first value, the CABAC context associated with the type of the slice B is initialized by the first initialization method of the three initialization methods, in the case where the slice type indicates the type of the slice B and the value of the flag is equal to the second value, the CABAC context associated with the slice type B is initialized by the second initialization method of the three initialization methods, the second initialization method being used to initialize the CABAC context associated with the P-type slice in the case where the slice type indicates the P-type slice and the value of the flag is equal to the first value, and in the case where the slice type indicates the type of the slice I, the CABAC context associated with the slice type I is initialized by the third initialization method of the three initialization methods without using the flag.

EFFECT: increasing the efficiency of video decoding.

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