[Gate-users] DICOM parameters appear incorrect

[David Sarrut]

Hi Matthew,

this is weird ... could you please try to convert your Dicom file into a
MHD and try again? To see if it comes from the Dicom reader or something
else ...

thanks,
David

On Tue, Oct 29, 2019 at 5:44 PM Matthew Strugari <matthew.strugari at dal.ca>
wrote:

> Hi all,
>
> I am attempting to implement a voxelized phantom and voxelized source for
> a study on Y90 radioembolization. To prepare my dicom data I had to stitch
> together 3 datasets which I suspect may be causing some issues. Regardless,
> when I import the dicom data into GATE using the commands below, a number
> of the image parameters appear incorrect when compared to the metadata (see
> attached image). For example, the original image is 512x512x1028 while GATE
> states the matrix size as 71.68x71.68x1028 and resolution as 512x512x1028.
> Also, the voxel size is incorrect as it should be 0.14 mm isotropically
> which causes the loaded image to appear incorrect when I include the
> patient-HU2mat.txt file.
>
> From what I can tell, my input dicom file appears okay but I am not sure
> what modifications are required to successfully load the dicom data. Any
> suggestions would be greatly appreciated.
>
> Thank you,
>
> Matthew
>
>
>
> # Voxelized phantom
> /gate/world/daughters/name                                 patient
> /gate/world/daughters/insert
> ImageNestedParametrisedVolume
> /gate/patient/geometry/setImage
> kidneyData/patient.dcm
>
> #/gate/patient/geometry/setHUToMaterialFile
>  kidneyData/patient-HU2mat.txt
>
>
>
> --
>
> Matthew Strugari
> Biomedical Translational Imaging Centre - BIOTIC,
> 5890 University Ave,
> Halifax, NS, B3K 6R8
>
> _______________________________________________
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> Gate-users at lists.opengatecollaboration.org
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-- 
David Sarrut, Phd
Directeur de recherche CNRS
CREATIS, UMR CNRS 5220, Inserm U1206
Centre de lutte contre le cancer Léon Bérard
28 rue Laënnec, 69373 Lyon cedex 08
Tel : 04 78 78 51 51 / 06 74 72 05 42
http://www.creatis.insa-lyon.fr/~dsarrut
_________________________________
 "2 + 2 = 5,  for extremely large values of 2"
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