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+%------------------------------------------------------------------------
+% 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));
+
+% For CPU-based algorithms, a "projector" object specifies the projection
+% model used. In this case, we use the "strip" model.
+proj_id = astra_create_projector('strip', proj_geom, vol_geom);
+
+% Create a sinogram from a phantom
+P = phantom(256);
+[sinogram_id, sinogram] = astra_create_sino(P, proj_id);
+figure(1); imshow(P, []);
+figure(2); imshow(sinogram, []);
+
+astra_mex_data2d('delete', sinogram_id);
+
+% We now re-create the sinogram data object as we would do when loading
+% an external sinogram
+sinogram_id = astra_mex_data2d('create', '-sino', proj_geom, sinogram);
+
+% Create a data object for the reconstruction
+rec_id = astra_mex_data2d('create', '-vol', vol_geom);
+
+% Set up the parameters for a reconstruction algorithm using the CPU
+% The main difference with the configuration of a GPU algorithm is the
+% extra ProjectorId setting.
+cfg = astra_struct('SIRT');
+cfg.ReconstructionDataId = rec_id;
+cfg.ProjectionDataId = sinogram_id;
+cfg.ProjectorId = proj_id;
+
+% Available algorithms:
+% ART, SART, SIRT, CGLS, FBP
+
+
+% Create the algorithm object from the configuration structure
+alg_id = astra_mex_algorithm('create', cfg);
+
+% Run 20 iterations of the algorithm
+% This will have a runtime in the order of 10 seconds.
+astra_mex_algorithm('iterate', alg_id, 20);
+
+% Get the result
+rec = astra_mex_data2d('get', rec_id);
+figure(3); imshow(rec, []);
+
+% Clean up. 
+astra_mex_projector('delete', proj_id);
+astra_mex_algorithm('delete', alg_id);
+astra_mex_data2d('delete', rec_id);
+astra_mex_data2d('delete', sinogram_id);