Update version to 1.3

1 files changed, 47 insertions, 0 deletions

diff --git a/samples/s014_FBP.m b/samples/s014_FBP.m
new file mode 100644
index 0000000..7cce28f
--- /dev/null
+++ b/samples/s014_FBP.m
@@ -0,0 +1,47 @@
+%------------------------------------------------------------------------
+% This file is part of the
+% All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA-Toolbox")
+%
+% Copyright: iMinds-Vision Lab, University of Antwerp
+% License: Open Source under GPLv3
+% Contact: mailto:astra@ua.ac.be
+% Website: http://astra.ua.ac.be
+%------------------------------------------------------------------------
+
+vol_geom = astra_create_vol_geom(256, 256);
+proj_geom = astra_create_proj_geom('parallel', 1.0, 384, linspace2(0,pi,180));
+
+% As before, create a sinogram from a phantom
+P = phantom(256);
+[sinogram_id, sinogram] = astra_create_sino_gpu(P, proj_geom, vol_geom);
+figure(1); imshow(P, []);
+figure(2); imshow(sinogram, []);
+
+% Create a data object for the reconstruction
+rec_id = astra_mex_data2d('create', '-vol', vol_geom);
+
+% create configuration 
+cfg = astra_struct('FBP_CUDA');
+cfg.ReconstructionDataId = rec_id;
+cfg.ProjectionDataId = sinogram_id;
+cfg.FilterType = 'Ram-Lak';
+
+% possible values for FilterType:
+% none, ram-lak, shepp-logan, cosine, hamming, hann, tukey, lanczos,
+% triangular, gaussian, barlett-hann, blackman, nuttall, blackman-harris,
+% blackman-nuttall, flat-top, kaiser, parzen
+
+
+% Create and run the algorithm object from the configuration structure
+alg_id = astra_mex_algorithm('create', cfg);
+astra_mex_algorithm('run', alg_id);
+
+% Get the result
+rec = astra_mex_data2d('get', rec_id);
+figure(3); imshow(rec, []);
+
+% Clean up. Note that GPU memory is tied up in the algorithm object,
+% and main RAM in the data objects.
+astra_mex_algorithm('delete', alg_id);
+astra_mex_data2d('delete', rec_id);
+astra_mex_data2d('delete', sinogram_id);