[Gate-users] Segmenting in Gate

[BAKER, Mark (THE CLATTERBRIDGE CANCER CENTRE NHS FOUNDATION TRUST)]

Hi all

I've finally got to grips with using Gate and I've managed to make some pretty interesting dose distributions within both phantom and patient PET/CT images. The next stage that I want to look at involves calculating some bespoke S-factors for my images. I could very well be wrong, but I don't think Gate has any ability to determine the location of the source of a dose event (please correct me if there is such an actor or something), so I imagine the only/best way to approach this is to manually outline my images outside of Gate and then mask the various areas and run the simulations in turn.

I was wondering if anyone had any hints, tips, or anything other comments that might be able to speed up what might end up being quite a manual and labour intensive process? I was planning on using ImageJ to segment, but I'm not sure if it is the most suitable tool either, so any suggestions on alternatives would be gratefully received.

Thank you

Mark Baker
Principal Clinical Scientist (Interim)
Imaging Physics (Ionising)
The Clatterbridge Cancer Centre NHS Foundation Trust
(he, him)

CCCW Tel:  0151 556 5030
CCCL Tel: 0151 318 8438
Email: mark.baker23 at nhs.net<mailto:mark.baker23 at nhs.net>
Microsoft Teams (click here)<https://teams.microsoft.com/l/chat/0/0?users=mark.baker23@nhs.net>

Honorary Lecturer, Dept. of Physics
University of Liverpool

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