求翻译：与小波软阈值方法和小波硬阈值算法相比较，发现采用本文所提方法去噪后图象具有更高的信噪比(SNR)和更小的最小均方误差(MSE)，是什么意思？

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Small waves with soft threshold methods and small wave threshold algorithm and found that compared with the reference to noise reduction methods after the image has a higher signal-to-noise ratio (SNR) and a smaller minimum mean square error (MSE),

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And wavelets and Wavelet soft-threshold methods compared to hard thresholding algorithm, found using the methods mentioned in this article to noise images with higher signal-to-noise ratio (SNR) and a smaller minimum mean square error (MSE),

Compare with the wavelet soft threshold value method and the wavelet hard threshold value algorithm, after discovered uses this article to raise the method denoising the image to have higher signal-to-noise ratio (SNR) and smaller smallest mean error (MSE),