MATLAB 显示Shepp-Logan头模型图像参考程序

shep = [1 .69 .92 0 0 0

-.8 .6624 .8740 0 -.0184 0

-.2 .1100 .3100 .22 0 -18

-.2 .1600 .4100 -.22 0 125

.1 .21 .25 0 .35 0

.1 .046 .046 0 .1 0

.1 .046 .046 0 -.1 0

.1 .046 .023 -.08 -.605 0

.1 .023 .046 .06 -.605 0];

N = 256;

I=phantom(shep,N);

figure;imshow(I,[]);

figure; imshow(I,[-0.1 1.1]);

figure; imshow(I,[0.9 1.1]);

% p= phantom('Modified Shepp-Logan',256);

% % figure; imshow(p,[-1 1.1]);

% imagesc(p);

% colorbar;

% title('Shepp-logan模型密度分布');