维纳滤波是一种有约束的图像复原方法，该算法综合退化图像和噪声统计特性来进行图像复原处理。其要求信号和噪声都必须是以平稳过程为条件。(Wiener filtering is a constrained image restoration method, which combines degraded image and noise statistical properties for image restoration. The required signal and noise must be based on the stationary process.)