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基于贝叶斯估计的Context量化器设计方法

Journal of Kunming University(2013)

Cited 23|Views17
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Abstract
介绍了一种基于贝叶斯估计的Context量化器设计方法.通过将自适应码长增量与贝叶斯估计中的先验概率估计进行结合,使得该量化器在不需要先验知识的情况下,既考虑到Context量化本身的特点,又使得编码后信源的自适应码长最短,最终保证了Context量化的自适应性.实验结果表明,该Context量化器设计方法能获得最优量化结果,达到设计目标.
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Key words
context quantization,bayesian estimation
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