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本文提出了用循环矩阵近似信号Teoplitz相关矩阵的一种维纳过滤图象复原快速算法。这种算法较文献[1]中之算法运算量减少3/4。本文分析并估算了这种近似产生的复原误差,并实验研究了这种复原方法。
In this paper, we propose a fast algorithm for image restoration using a Wiener filter using a circular matrix approximation signal Teoplitz correlation matrix. Compared with [1], this algorithm reduces the amount of computation by 3/4. This paper analyzes and estimates the recovery error produced by this approximation and experimentally studies the recovery method.