[Gate-users] Gate-users Digest, Vol 160, Issue 22

[Uwe.Pietrzyk]

Hello Kurt,

I assume that you are using the conversion tool that
creates the required data format suitable for STIR.

But did you check the data by inspecting the root-file
before conversion? 

Kind regards,

Uwe Pietrzyk

Prof. Dr. Uwe Pietrzyk
Diplom-Physiker
Am Anger 18
50374 Erftstadt
Tel: +49-2235-922038
Fax: +49-2235-922039
Mobil: +49-172-213-2155
eMail: Uwe.Pietrzyk at web.de
---------------------------------------

-----------------
Prof. Dr. Uwe Pietrzyk

Bergische Universität Wuppertal
Fakultät für Mathematik und Naturwissenschaften
Büro:  D.08.01
Gaußstr. 20
42097 Wuppertal
Tel: +49-(0)202-439-3523
Fax: +49-(0)202-439-2811
eMail: uwe.pietrzyk at physik.uni-wuppertal.de
http://www.medizinphysik.uni-wuppertal.de
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> On 19. Sep 2019, at 12:00, gate-users-request at lists.opengatecollaboration.org wrote:
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> Today's Topics:
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>   1. Any Examples of reconstruction of SPECT system projection
>      files (.hdr and .sin) using STIR (Kurt V)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 18 Sep 2019 22:11:51 +0000
> From: Kurt V <kurtv1 at hotmail.com>
> To: "gate-users at lists.opengatecollaboration.org"
> 	<gate-users at lists.opengatecollaboration.org>
> Subject: [Gate-users] Any Examples of reconstruction of SPECT system
> 	projection files (.hdr and .sin) using STIR
> Message-ID:
> 	<YTBPR01MB34399F3BBC8AFCED7E6DFF84908E0 at YTBPR01MB3439.CANPRD01.PROD.OUTLOOK.COM>
> 	
> Content-Type: text/plain; charset="utf-8"
> 
> Dear Gate Users,
> 
> I have been working to reconstruct a SPECT based detection system in STIR by inputting the projection .sin and .hdr output files directly into stir and reconstructing the image.
> 
> There have been some very good presentations on how to perform this task, namely, the 2018 IEEE NSS/MIC talk by Han Gyu Kang 'Image reconstruction of GATE SPECT simulation using STIR'.
> 
> Following his methods, i am finding that my reconstructed images are always of low quality and are of point source geometry. I cannot reconstruct any decent images of an actual source geometry (volume source cylinder).
> 
> I was wondering, if anyone who has experience with this task would be willing to provide example files of: the GATE macro file, STIR spect interfile and the .hv and .v output files from the reconstruction.
> 
> I have tried many different designs/reconstructions and have not had much luck.
> 
> If anyone has any experience with reconstruction of GATE output in STIR i was wondering if they could please provide suggestions.
> 
> 
> 
> As always thanks all and i appreciate all help,
> Kurt Van Delinder, M.Sc, M.Sc, RT(T)
> 
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
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