[Castor-users] Image reconstruction in CASToR

[Sowmiya Raj Thirumalai]

Hi All,

   I installed CASToR version 2.1. I simulated Discovery 710 PET system in
GATE with brain_phantom.h33 interfile and brain_phantom.i33 raw image. I
stored the output in ROOT and used CASToR command to get the .Cdh file. I
am trying to reconstruct the image but I am not getting the correct image.
I used the following for castor-recon. I am attaching the files for
reference. Could anyone please let me know what I am missing? I tried to
open them with ImageJ (Import->Raw with parameters as 16 bit unsigned, 256
pixels, first image offset as 1, total no of images as 10, little endian
byte order and use virtual stack).

castor-recon -df PET_phantom_voxel_df.Cdh -opti MLEM -it 10:16 -proj joseph
-conv gaussian,4.,4.5,3.5::psf -dim 32,32,1 -dout PET_phantom_voxel_recon

16 images in the interfile. So, I have given 10 iterations of each image
(subset)
interfile matrix is 32x32. So, I have given dimensions as 32x32x1

  Also, could anyone please let me know if castor-recon can be used for
obtaining images of the particle track from PET simulation with a cylinder
phantom?

Thanks & Regards
Sowmiya
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