[gate-users] Supported Scanners

[Schmidtlein, Ross/Sloan-Kettering Institute]

I believe that all of the outputs are binary unsigned short integers so
you can read them from the file.  In terms of getting images Sadek's
approach of replacing the DST's data with GATE data is probably fastest
way to get an image that is built in the same manner as the DST.

Not sure about the images on the web site.

ross

-----Original Message-----
From: gate-users-bounces at lphe1pet1.epfl.ch
[mailto:gate-users-bounces at lphe1pet1.epfl.ch] On Behalf Of Mutanga
Theodore
Sent: Wednesday, November 24, 2004 10:59 AM
To: GATE feedback and helpline for Users
Subject: RE: [gate-users] Supported Scanners


Thanks for clarifying that Ross, at
 least now I know the limitations of my design. What about using the
.ima and .dim files from the sinogram outputs? what can be used to read
those ? Given that one is only interested in the basic parameters of the
DST scanner ,- NEC , resolution and sensitivity whicih system will be
best for the DST then ? I was hoping I could at least get some form of
reconstructed image of a point source so that I could calculate the
spatial resolution.

In the example of the Hoffman phantom , what was used to produce the
images I saw on the documentation website ?

Cheers
Theo

 Hi Theodore,
>
> Depending upon the level of detail in your model the ECAT system may 
> be fine, however if you need more detail and your system is a 
> cylindrical series of blocks cylindricalPET may be better.  In either 
> case GATE will fairly accurately simulate the physics with in the 
> geometry that you have specified.  On the other hand, the output for 
> both systems is somewhat limited and to get it into a format that is 
> useful may be quite difficult.  At this point very few formats are 
> available in GATE, but GATE is still very young.
>
> ross
>
> -----Original Message-----
> From: gate-users-bounces at lphe1pet1.epfl.ch
> [mailto:gate-users-bounces at lphe1pet1.epfl.ch] On Behalf Of Mutanga 
> Theodore
> Sent: Wednesday, November 24, 2004 6:55 AM
> To: gate-users at lphe1pet1.epfl.ch
> Subject: [gate-users] Supported Scanners
>
>
> Greetings ,
>
> I want to pose this question to all the gate developers, was I wrong 
> to try to model the GE Discovery ST using the ecat system ? From what 
> I have come to understand it seems I cannot use GATE to model the DST,

> even if using the ecat is correct it means I cannot get a valid 
> sinogram output for the DST ...?
>
> Could someone please clarify me, if using the ecat system for the DST 
> is wrong how can I go about modelling the DST with GATE ?
>
> Kind regards
> Theodore
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