基于变分方程的图像去噪MATLAB程序。调用方法u = tvdenoise(Data_source,N,M,Data_source) 其中u是去噪后结果，Data_source为原始图像，N,M均为整数-MATLAB program based on the variational equations of image denoising. Call the method u = tvdenoise (Data_source, N, M, Data_source)　where u is the denoised results Data_source the original image, N, M are integers