Matlab图像处理——小波变换去噪声、边缘提取

clear;
clc;
for i=1:14
name=sprintf（‘%d.bmp‘i）;    
img=imread（name）;
img_train1=rgb2gray（img）;
img_train（::i）=imnoise（img_train1‘gauss‘0.01）;
%figure
%imhist（img_train（::i））
end;
for i=1:14
%图像去噪
%[thrsorhkeepapp]=ddencmp（‘den‘‘wv‘img_train（::i））;
%[img_denoise（::i）cxclxcperf0perfl2]=wdencmp（‘gbl‘img_train（::i）‘sym4‘2thrsorhkeepapp）;
img_denoise（::i）=fdct_wrapping_demo_denoise（img_train（::i））;
%figure;
%imshow（uint8（img_denoise（::i）））;
%图像压缩
[thrsorhkeepapp]=ddencmp（‘cmp‘‘wv‘img_denoise（::i））;
[img_compr