[Castor-users] Problem with CT reconstruction

[tmerlin]

Hi Konstantinos,

I noticed there is no blank mesurements correction in your data. I don't 
know if they would be required for CT simulations with GATE, but maybe 
your artifacts could be related to that ?

Thibaut


On 04/09/2020 12:00, Konstantinos P. Chatzipapas wrote:
> Hello to the CASToR community.!
>
> I have run some MC simulations using GATE and the Moby mouse phantom. 
> For the reconstruction I use MLTR and distanceDriven algorithms. The 
> final reconstruction, after 8 sets and 25 subsets, still includes some 
> artifacts that I cannot understand.
>
> Any help to get rid of the artifacts could be reaaaaally useful.!
>
> cdh/cdf that used with castor, the output hdr/img and the geom file of 
> the scanner have been uploaded here:
> https://drive.google.com/drive/folders/1RX6BdyHHoetqUo0LXrQiXyXE1twvyoys?usp=sharing 
>
>
>
> The command that we used is:
> ./castor-recon -df /path/to/ct_header_1deg.cdh -dout 
> /path/to/reconMLTR_1deg_181 -it 8:25 -vb 2 -proj distanceDriven -opti 
> MLTR -dim 181,181,512 -vox 0.2375,0.2375,0.240625
>
>
> Kind Regards,
> Konstantinos
>
>
>
-- 
Thibaut MERLIN -- PhD

Docteur en Imagerie Médicale au Laboratoire de Traitement de l'Information Medicale (LaTIM - INSERM UMR 1101)
Institut Brestois de recherche en Bio-Santé (IBRBS)
12 Avenue Foch, 29200 Brest, FRANCE
Tel: 06.75.12.24.90