[Gate-users] Detector response and FFDA

[Shiras Abdurahman]

Hi,

Yes! Thanks a lot for the correction. It was an error from my part.

Shiras

On Thu, Nov 9, 2017 at 9:10 PM, Simon Rit <simon.rit at creatis.insa-lyon.fr>
wrote:

> Hi,
> No, it doesn't. It looks like this
> 0 0
> 1 1
> Which should read
> 0 MeV 0
> 1 MeV 1
> and yes, it is an ideal energy integrating detector.
> Simon
>
> On Thu, Nov 9, 2017 at 8:16 PM, Shiras Abdurahman <shiraska at gmail.com>
> wrote:
>
>> Hi,
>>
>> Thank you very much for the answers. Earlier, I was using the detector
>> response present in the gate examples CT folder (vGATE 7.2). It looks like
>> this
>> 0 1
>> 1 0
>> Does this mean an ideal energy integrating detector with equal weighting
>> for all the energy bins?
>>
>> Shiras
>>
>> On Thu, Nov 9, 2017 at 2:05 PM, Simon Rit <simon.rit at creatis.insa-lyon.fr
>> > wrote:
>>
>>> Hi,
>>> The detector response is a piecewise linear 1D function of the energy.
>>> The fist column is the energy of the incident photon in MeV in the default
>>> Geant4 energy (MeV if you haven't modified it). The second column is the
>>> corresponding measured signal in a unit that you chose.
>>> Simon
>>>
>>> On Thu, Nov 9, 2017 at 10:59 AM, Shiras Abdurahman <shiraska at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am using FFDA for Flat panel detector CT projection. I would like to
>>>> use detector response corresponds to CsI detector. Do I need to specify the
>>>> energy bins keV or MeV since the X-ray source spectrum bins should be in
>>>> MeV? Since I do not need spectral projections, I set energyResolvedBinSize
>>>> to 0 keV. I am attaching my detector response text file where the bins are
>>>> specified in MeV.
>>>>
>>>> With regards,
>>>> Shiras
>>>>
>>>> _______________________________________________
>>>> Gate-users mailing list
>>>> Gate-users at lists.opengatecollaboration.org
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>>>>
>>>
>>>
>>
>
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