[Castor-users] error in TOF results

[Hadi Rezaei]

also I used this command: "./castor-GATERootToCastor -i myroot.root -m
mymac.mac -o output300 -s output300 -geo -k -TOF_reso 300"
Best regards
Hadi

On Wed, Mar 3, 2021 at 1:43 PM Hadi Rezaei <hrezaei.m.ph at gmail.com> wrote:

> Hi Marina
> I am sorry if my message is not clarified. I simulated a PET data at one
> time ( I didn't change the PET scanner) but I reconstructed this data with
> different TOF values.
> Best
> Hadi
>
> On Wed, Mar 3, 2021 at 1:33 PM Marina Filipovic <
> marina.filipovic.work at gmail.com> wrote:
>
>> Sorry I didn't see the previous message. If you use a wrong TOF
>> resolution in the reconstruction, different from the nominal TOF resolution
>> of the scanner, it is normal that you get issues in the reconstruction.
>>
>> Marina Filipovic
>>
>>
>> On Wed, Mar 3, 2021 at 10:48 AM Hadi Rezaei <hrezaei.m.ph at gmail.com>
>> wrote:
>>
>>> Hi Simon
>>> Thank you for your reply
>>> Yes, I used the same dataset for all reconstructions.
>>> Best regards
>>> Hadi
>>>
>>>
>>> On Wed, Mar 3, 2021 at 1:14 PM STUTE Simon <simon.stute at chu-nantes.fr>
>>> wrote:
>>>
>>>> Dear Hadi,
>>>>
>>>>
>>>> Are you using the same dataset for your different reconstructions ?
>>>>
>>>>
>>>> Simon
>>>>
>>>>
>>>> ------------------------------
>>>> *De :* Castor-users <castor-users-bounces at lists.castor-project.org> de
>>>> la part de Hadi Rezaei <hrezaei.m.ph at gmail.com>
>>>> *Envoyé :* mercredi 3 mars 2021 10:33
>>>> *À :* castor-users at lists.castor-project.org
>>>> *Objet :* [Castor-users] error in TOF results
>>>>
>>>> Dear CASToR users
>>>> I used the castor3.0.1 to reconstruct a PET data of some cylindrical
>>>> phantoms and I used different TOF_reso values and also non TOF case. But I
>>>> found that the SNR value of the non TOF was bigger than the TOF cases of
>>>> 400,300,200 ps ( with decreasing the TOF value the SNR decreased) . Should
>>>> I modify the TOF command in Cdh file to apply the TOF on the image quality?
>>>> Did anyone face this issue?
>>>> Thank you so much.
>>>> Hadi
>>>>
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>>
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