function PushButton2Selected (h, eventdata)
switch list1_val
case 'None'
filter_val = 'None';
caso 'Ram-Lak (Rampa)'
filter_val = 'Ram-Lak';
caso 'Shepp-Logan'
filter_val = 'Shepp-Logan';
caso 'Ram-Lak Cosine'
filter_val = 'Coseno';
caso 'Ram-Lak Hamming'
filter_val = 'Hamming';
caso 'Ram-Lak Hann'
filter_val = 'Hann';
case 'Especial'
filter_val = 'Especial';
end
switch list2_val
caso 'Lineal'
interpol_val = 'lineal';
caso 'más cercano'
interpol_val = 'más cercano';
caso 'Spline'
interpol_val = 'spline';
caso 'Cubic'
interpol_val = 'pchip';
final
theta = round (0: 180 / number_projections: 179);
del_sinogram = data.sinogram (:, theta + 1);
if strcmp (filter_val, 'Special') == 1
if strcmp (file_name (end-4: end), '3.mat') == 1
data.SB = data.SB + 0.3 * rand (size (data.SB ));
end
if strcmp (file_name (end-4: end), 'f.mat') == 1
filter_val = 'Hamming';
rec_img = iradon (del_sinogram, theta, interpol_val, filter_val);
else
FFT_sinogram = fftshift (fft (del_sinogram), 1);
FFT_sinogram = FFT_sinogram. * Data.SB (:, theta + 1);
del_sinogram = ifft (ifftshift (FFT_sinogram, 1));
rec_img = iradon (del_sinogram, theta, interpol_val);
end
else
rec_img = iradon (del_sinogram, theta, interpol_val, filter_val);
final
figura, imagesc (rec_img), mapa de color (rosa)
del título ([data.txt: 'proyecciones' list1_val 'filtro,' num2str (number_projections) list2_val 'interpolación' ''])
final
D-023