Some methods, such as adaptive median filter, Weiner filter, wavelet filter, anisotropic diffusion and so on, can not reduce noise effectively or.

而一些常用的滤波方法，如自适应中值滤波、维纳滤波，小波滤波、各向异性扩散滤波等，在抑制噪声的同时不同程度地。

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Some methods, such as adaptive median filter, Weiner filter, wavelet filter, anisotropic diffusion and so on, can not reduce noise effectively or.

而一些常用的滤波方法，如自适应中值滤波、维纳滤波，小波滤波、各向异性扩散滤波等，在抑制噪声的同时不同程度地。

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