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Adaptive Coding for Generalized Gaussian Sources in Image Coding
Author(s): 
Pages: 7-10
Year: Issue:  7
Journal: VIDEO ENGINEERING

Keyword:  指数哥伦布码哥伦布-莱斯码广义高斯信源自适应编码;
Abstract: 首先介绍了当前最新的几种视频编码标准并且进行了比较,熵编码是每一个视频编码标准必须认真研究的课题,为了减少由于失配所带来的效率损失,本文提出了一种自适应编码技术:自适应指数哥伦布码,并与自适应算术编码进行了比较.分析和仿真都表明即使信源特性在大范围内发生变化,自适应指数哥伦布码对于保持高的编码效率是足够稳健的(90%以上的情况),同时保持了指数哥伦布码和哥伦布-莱期码的简洁性.
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