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基于时空光滑约束的总变分最小化视频去隔行算法 被引量:3

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摘要 从隔行视频序列获得高质量图像需要进行去隔行处理.文中针对这一问题提出了一种基于时空光滑约束的总变分最小化视频去隔行算法.它首先应用Bayes公式将去隔行问题转化为一类最优化问题,然后应用图像随机场模型结合时空光滑约束导出优化问题的代价函数,通过变分法得到Euler-Lagrange方程,最后应用凸半二次规整化方法求得最优解.实验结果表明,文中的方法优于一般的去隔行算法.同时提出了两个去隔行方法的评价标准,它们可以定量检验去隔行方法的效果.
出处 《中国科学(E辑)》 CSCD 北大核心 2007年第4期486-500,共15页 Science in China(Series E)
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参考文献11

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同被引文献23

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