Wavelet denoising For using this code need to use signal toolbox and general toolbox in your matlab In the first part of this assignment, we asked to obtain a (black-and-white) digital image of size 512 by 512 and then generate noi

利用MATLAB中的GUI（图形用户界面），实现图像的频率位移变换、加入高斯噪声、图像平滑、离散余弦变换、图像反转，并设计了退出按钮-In MATLAB GUI (graphical user interface), to achieve the image displacement transducer frequency, adding Gaussian noise, image smoothing, discrete cosine transform, image reversal, an