【摘要】 在熵编码引入了一种概率更新的机制,记录每个语法元素的实时概率分布。将基于概率更新的Huffman码和结构码字有效结合,并根据各个语法元素的相关性选择最恰当的上下文模型,充分利用视频信号的多样性进行信息压缩。实验表明,此种基于概率更新的混合熵编码(PUAHC)算法的编码效率和编码复杂度皆介于UVLC和CABAC之间。更多还原

【Abstract】 A probability updating mechanism was proposed for entropy coding. To achieve the best coding efficiency,probability updating based huffman code and structured code were jointly used,and the best context model was selected according as the correlation of adjacent syntax elements. Experiment results demonstrate that both of the coding effi-ciency and computational complexity of this probability updating-based adaptive hybrid coding (PUAHC) were between UVLC and CABAC.更多还原