context-based arithmetic coding 基于上下文的算术编码
As far as I can tell, it chooses an arithmetic coding context based on the neighboring MVs, then decides which of the predicted motion vectors to use, or whether to code a delta instead.
据我所知道的，它基于临近的MV选择了一个算术编码上下文，然后决定使用哪个运动矢量，或是否计算出一个差值来代替。
A context based arithmetic coder is adopted in entropy coding, and four different sets of models are designed for the arithmetic coder.
熵编码采用了基于上下文的算术编码，提出了四种上下文编码模型。
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