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小位移光流计算的Split-Bregman迭代方法

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摘要 变分方法是计算光流场的有效方法,该方法能够计算稠密光流场,但计算效率较低。本文针对由稳健估计的数据项和TV(Total Variation)型光滑项构成的能量泛函,设计了其快速计算的Split-Bregman迭代方法。通过引入辅助变量和迭代参数,将原优化问题转化为交替优化的子优化问题,并与传统直接变分的方法进行了比较,实验结果表明Split-Bregman迭代方法可以有效提高运算速度。
作者 张楠
出处 《科技信息》 2010年第2期141-142,共2页 Science & Technology Information
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