wavelet.rar_去除噪声_去除图像噪声

clc clear all close all load data colormap(gray); image(datanew); title('加噪图像');%显示加噪图像 [thr,sorh,keepapp]=ddencmp('den','wv',datanew);%求去噪声的缺省值 dataRemove=wdencmp('gbl',datanew,'sym5',2,thr,sorh,keepapp); %使用小波去噪函数对图像去噪，使用sym5小波、全局门限值 figure; colormap(gray); image(wcodemat(dataRemove)); % image(dataRemove); title('去噪图像');%显示去噪图像 data_jian=datanew-dataRemove; figure; colormap(gray); image(data_jian);