clear all; close all;
a = imread('moon.tif');
imshow(a)
b = im2double(a);
figure, imshow(b)
c = double(a);
figure, imshow(c)
a(50,50)
b(50,50)
c(50,50)
%a+10;
b+.2;
figure, imshow(1-b)
d=b;
d(500:525,10:35)=.95;
d(10:35, 300:325) = .5;
figure, imshow(d)
pause
clear all
close all
a = im2double(imread('moon.tif'));
b = im2double(imread('barb.tif'));
c = im2double(imread('cameraman.tif'));
d = [a(1:256,1:256) b(128:383, 128:383) c];
imshow(d)