[Gate-users] BAD Sinograms for PET using Bin_GATE.c

[Mohamed Mohamed]

Hi Ville-Veikko,

Thank you for the recommendation,

Best regards.

Le lun. 8 juin 2020 à 15:37, Ville-Veikko Wettenhovi <
ville-veikko.wettenhovi at uef.fi> a écrit :

> Hi,
>
> I can't comment on Bin_GATE.c, but as an alternative you can try to use
> OMEGA software instead as it has built-in support for mCT and GATE:
> https://github.com/villekf/OMEGA. Though be sure to download the source
> instead of the current release as I haven't yet made a new official release.
>
> Regards,
> Ville-Veikko Wettenhovi
> ------------------------------
> *From:* Gate-users <gate-users-bounces at lists.opengatecollaboration.org>
> on behalf of Mohamed Mohamed <melkatib1 at gmail.com>
> *Sent:* Monday, June 8, 2020 14:12
> *To:* gate-users at lists.opengatecollaboration.org <
> gate-users at lists.opengatecollaboration.org>
> *Subject:* [Gate-users] BAD Sinograms for PET using Bin_GATE.c
>
> Dear Gaters,
>
> After simulating a point source acquisition with mCT model, I binned my
> sinograms from ROOT output using Bin_GATE.c from OpenGates' website, BUT
> when displaying them, while those corresponding to segments close to zero
> are fine, those corresponding to segments with large obliquity doesn't look
> good. I attached 4 pictures corresponding to segment-26 sinograms in 4
> axial positions (4 oblique slices). One can clearly note that the sinogram
> in this segment is spread over several axial positions (and each axial
> position contains counts in juste part of azimuthal angles 'phi' ), and the
> 4 axial positions are complementary. TAn image of the effect on the
> reconstructed image is also attached.
>
> If anyone who was confronted with the same problem could kindly share his
> experience to solve this.
>
> Thank you in advance for your consideration.
>
> Mohamed
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opengatecollaboration.org/pipermail/gate-users/attachments/20200608/b9f5adcd/attachment.html>