data=imread('C:\Documents and Settings\Administrator\Desktop\ps_logo2.png');
% data(:,:,1) is RED data
% data(:,:,2) is GREEN data
% data(:,:,3) is BLUE data
figure(1);
image(data);%draws original image
RedData = data(:,:,1);
for i = 1:size(data,1)
for j = 1:size(data,2)
if data(i,j,1) <=220
data(i,j,1) = 0;%make it black
data(i,j,2) = 0;%make it black
data(i,j,3) = 0;%make it black
else
data(i,j,1) = 255;%make it white
data(i,j,2) = 255;%make it white
data(i,j,3) = 255;%make it white
end
end
end
figure(2);
image(data);%draws processed image
دیدگاه