Revision: 60879
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at November 15, 2012 07:00 by kritisen
Initial Code
I = phantom(512);
theta = -90: 1: 90;
P = radon(I, theta);
Sino = P';
Sino2 = truncSino(Sino, 0.3, 'ramp');
Sino3 = truncSino(Sino, 0.3);
m = 0; n = 150;
figure,
subplot(3, 1, 1), imshow(Sino, [m, n]);
title('Original sinogram', 'FontSize', 15); ylabel('View#', 'FontSize', 12); xlabel('Detector Bin#', 'FontSize', 12);
subplot(3, 1, 2), imshow(Sino2, [m, n]);
title('Truncated sinogram with extrapolation by ramp function', 'FontSize', 15);
ylabel('View#', 'FontSize', 12); xlabel('Detector Bin#', 'FontSize', 12);
subplot(3, 1, 3), imshow(Sino3, [m, n]);
title('Truncated sinogram', 'FontSize', 15)
xlabel('Detector Bin#');
ylabel('View#', 'FontSize', 12); xlabel('Detector Bin#', 'FontSize', 12);
Initial URL
Initial Description
Truncate Sinogram across Central Detector Bin
Initial Title
Truncate Sinogram across Central Detector Bin
Initial Tags
Initial Language
MatLab