[Castor-users] error in TOF results

[Marina Filipovic]

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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