REDUCTION OF NUMBER OF CONTEXTS FOR CONTEXT ADAPTIVE BINARY ARITHMETIC CODING Russian patent published in 2016 - IPC H04N19/13 

FIELD: information technology.

SUBSTANCE: method of encoding video data comprises determining a partition type for a prediction mode for a block of video data; encoding a partition type structural element of a prediction type syntax element for the block of video data using context adaptive binary arithmetic coding (CABAC) with a single context, wherein the single context is the same for any partition type; and encoding a partition size structural element of the prediction type syntax element for the block of video data using CABAC in bypass mode.

EFFECT: reducing the number of CABAC contexts used for one or more syntax elements without significant impact on coding efficiency.

32 cl, 10 dwg, 22 tbl