小波分解去燥程序，在函数中加入白噪声，然后利用小波变换，进行去除噪声的处理，效果不错。(Wavelet decomposition to dry process, the white noise is added to the function, and use wavelet transform, remove noise processing, effect is good.)

使用小波去燥法去除灰度图像中的噪点，很好使用 亲测可用(Use wavelet de-drying method to remove the noise in the gray image, which is easy to use. Pro test is available)