参考文献“基于一种新的阈值函数的小波域信号-张维强”编写的小波变换去除白噪声的程序，有不对，不足之处，还请指出批评。-References " wavelet domain signals a new threshold function- Zhang Weiqiang," prepared by the wavelet transform to remove the white noise of the program, there is something wrong, d

image denosing code analysis of similarity of image based on 2nd oder euation