[Castor-users] Questions about options in 'castor-recon'

[tmerlin]

Dear Shwan,


1. There is no good answer as the optimal voxel size will depend on a 
number of parameters, such as the spatial resolution of your system as 
you suggested, but also the object you want to reconstruct, the 
statistics in the data, the purpose of your study, etc.. you should try 
different voxel sizes and choose those which suit your application the best.


2. -conv is optional and again has a variety of purposes (psf for 
resolution recovery, blurring, etc..). For psf, the FWHM parameters 
should correspond to the spatial resolution of your system. You can get 
some more information about -conv parameters with the option -help-conv.


Hope this helps,
Thibaut


On 14/04/2022 08:49, Shwan K wrote:
>
> Dear CASToR Users and Developers,
>
> Hi I am Shwan.
>
> I have a few questions.
>
>
> 1. What should the values of voxSizeX, voxSizeY, and voxSizeZ be set 
> in 'Other optional settings' of 'castor-recon'?
>
> I used crystal pixel size/4 or crystal pixel size/6 for its value.
>
> Is there a standard for determining the voxel size of '-vox'?
>
>
> 2. Also, what should I set the value of '-conv' for 'castor-recon'?
>
>
>
> Any advice and suggestion will be greatly appreciated. Thank you!
>
> Thanks
>
>
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-- 
Thibaut MERLIN -- PhD

Docteur en Imagerie Médicale au Laboratoire de Traitement de l'Information Medicale (LaTIM - INSERM UMR 1101)
Institut Brestois de recherche en Bio-Santé (IBRBS)
12 Avenue Foch, 29200 Brest, FRANCE
Tel: 06.75.12.24.90

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