96-03-11.m

Matlab數位影音處理 影像方面的處理

clear all;
a=[0.2,0.3,0.6,0.9];
b=[0.2,0.3,0.6,0.9];
f=imread('d:\image\engineer.tif');
g1=intrans(f,'neg');
g2=intrans(f,'log',2,'uint8');
g3=intrans(f,'gamma',0.2);
g4=intrans(f,'stretch',0.8,2);
g5=histpwl(f,a,b);
figure
subplot(2,3,1);
imshow (f)
subplot(2,3,2);
imshow(g1)
subplot(2,3,3);
imshow(g2)
subplot(2,3,4);
imshow(g3)
subplot(2,3,5);
imshow(g4)
subplot(2,3,6);
imshow(g5)