projections.m

Matlab code to reconstruct using back projection

%Program To Draw Projection at Every 5 Degree varies to 180 Degree
%As The Projections Increases Images Will be More look like Original Image
clear;
P=imread('proj1.jpg');
theta=1:5:180;
[RP,xp]=radon(P,theta);
figure,subplot(121),imshow(P),title('Original Image');
subplot(122),imshow(theta,xp,RP,[],'notruesize'),colormap(bone),colorbar,title('radon transform');
KP=iradon(RP,theta);
figure,imshow(theta,xp,KP,[],'notruesize'),colormap(bone),colorbar,title('Reconstructed Image');