ch4_3_2.m

来自「常用图像处理源码合集」· M 代码 · 共 10 行

I = zeros(100,100);
I(25:75, 25:75) = 1;
theta = 0:180;
[R,xp] = radon(I,theta);
imagesc(theta,xp,R);
title('R_{\theta} (X\prime)');
xlabel('\theta (degrees)'); ylabel('X\prime');
set(gca,'XTick',0:20:180);
colormap(hot); colorbar