[Gate-users] Feasibility of generating triple coincidence data using digitizer module

Zhengzhi Liu zliu36 at stanford.edu
Tue Feb 25 00:42:57 CET 2020

Hi Satyajit,

There are a couple of ways to generate triple coincidence events in GATE.
Both built-in function and post-processing of singles files are feasible to
achieve that goal. You may want to check out Multiple coincidences
As to post-processing, you can set up a triple coincidence time window then
for every single event, then you search through its neighborhood to see if
there is any triple coincidence event. I am not a GATE expert, please use
the suggestion with caution.

Good luck,


On Sun, Feb 23, 2020 at 2:47 PM Satyajit Ghosh <
satyajitghosh.email at gmail.com> wrote:

> Dear Gaters,
>                        We know that digitizer in GATE helps us to realize
> the real data processing chain of a detector. From Hits, Singles data are
> generated and from there Coincidence data.  Coincidence data are of
> importance, especially in PET. On the other hand, Singles data are used in
> SPECT. Now, there are various forms of imaging where triple coincidence is
> used as imaging data. My question is, *can we obtain higher fold data
> from GATE using digitizer by changing probably some source code?* Or,
> should we stick to user-defined approximate post-processing from hits data
> outside GATE?
> Cheers
> Satyajit
> 24-Feb.-2020
> --
> *Satyajit Ghosh*
> *PhD Student*
> *Nuclear Spectroscopy and Molecular Imaging Lab,*
> *Physics Department, IIT Bombay,*
> *Mumbai-400076, INDIA*
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> Gate-users mailing list
> Gate-users at lists.opengatecollaboration.org
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