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| 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 /matlab/tools/downsample_sinogram.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 'matlab/tools/downsample_sinogram.m')
| -rw-r--r-- | matlab/tools/downsample_sinogram.m | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/matlab/tools/downsample_sinogram.m b/matlab/tools/downsample_sinogram.m new file mode 100644 index 0000000..1fb4ec8 --- /dev/null +++ b/matlab/tools/downsample_sinogram.m @@ -0,0 +1,12 @@ +function sinogram_out = downsample_sinogram(sinogram, ds) + + if ds == 1 + sinogram_out = sinogram; + return; + end + + sinogram_out = sinogram(:,1:ds:end,:); + for i = 2:ds + sinogram_out = sinogram_out + sinogram(:,i:ds:end,:); + end + sinogram_out = sinogram_out / (ds*ds);
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