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Year:
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Issue:
Method of Video Multicast Achieved Based on Compressed Sensing
Author(s):
ZHAO Huimin
,
GUO Yizhen
,
DING Xiaoyan
,
ZHU Li
Pages:
45
-
49
Year:
2012
Issue:
1
Journal:
Acta Scientiarum Naturalium Universitatis Sunyatseni
Keyword:
视频多播
;
压缩传感
;
矩阵
;
解码
;
Abstract:
在较高的包丢失率和噪声信道环境下,提高视频传输的图像质量是通信技术应用的关键.基于压缩传感理论,提出一种实现多播传输的视频图像解码方法.通过研究测量矩阵与稀疏基的最佳配置关系以及视频帧间相关性,实现了一种视频帧内重加权l1范数解码和基于运动矢量的帧间解码.在噪声和包丢失信道模型下,通过与软投影解码实验比较,说明了实现方法的有效性.
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