diff options
author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
---|---|---|
committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
commit | b2fc6c70434674d74551c3a6c01ffb3233499312 (patch) | |
tree | b17f080ebc504ab85ebb7c3d89f917fd87ce9e00 /samples/s001_sinogram_par2d.m | |
download | astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.gz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.bz2 astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.xz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.zip |
Update version to 1.3
Diffstat (limited to 'samples/s001_sinogram_par2d.m')
-rw-r--r-- | samples/s001_sinogram_par2d.m | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/samples/s001_sinogram_par2d.m b/samples/s001_sinogram_par2d.m new file mode 100644 index 0000000..9f50c14 --- /dev/null +++ b/samples/s001_sinogram_par2d.m @@ -0,0 +1,33 @@ +%------------------------------------------------------------------------ +% 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 +%------------------------------------------------------------------------ + +% Create a basic 256x256 square volume geometry +vol_geom = astra_create_vol_geom(256, 256); + +% Create a parallel beam geometry with 180 angles between 0 and pi, and +% 384 detector pixels of width 1. +% For more details on available geometries, see the online help of the +% function astra_create_proj_geom . +proj_geom = astra_create_proj_geom('parallel', 1.0, 384, linspace2(0,pi,180)); + +% Create a 256x256 phantom image using matlab's built-in phantom() function +P = phantom(256); + +% Create a sinogram using the GPU. +% Note that the first time the GPU is accessed, there may be a delay +% of up to 10 seconds for initialization. +[sinogram_id, sinogram] = astra_create_sino_gpu(P, proj_geom, vol_geom); + +figure(1); imshow(P, []); +figure(2); imshow(sinogram, []); + + +% Free memory +astra_mex_data2d('delete', sinogram_id); |