Shumaker & Sieffert, P.A.
Arithmetic coder with multiple window sizes
An example method of entropy coding video data includes determining a window size of a plurality of window sizes for a context of a plurality of contexts used in a context-adaptive coding process to entropy code a value for a syntax element of the video data; entropy coding, based on a probability state of the context, a bin of the value for the syntax element; updating a probability state of the context based on the window size and the coded bin. The example method also includes entropy coding a next bin with the same context based on the updated probability state of the context.
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Marta Xiang Hongbin Li Ying Jianle Xin
Karczewicz Li Liu Zhang Chen Chen Zhao