[Gate-users] voxelized phantom&source/different att map & activity map

Yann Perrot perrot at clermont.in2p3.fr
Thu Jun 24 08:41:31 CEST 2010


Dear Anne,

As Simon said, you can implement two images : one image for attenuation 
map and another one for activity map and by using a voxelized source.
I did it for dosimetric applications and I send you an example.

Bests,

Yann

Le 23/06/2010 17:26, Anne Sauve a écrit :
>    
>> Hello the collaboration,
>>
>> I am trying to implement the moby phantom into gate.
>> I think I understand how to give gate an attenuation map as an
>> interfile.How to use att_range.dat and the act_range.dat.
>> My understanding is that you have in your examples only one image
>> that represents
>> both the voxelized phantom and source.
>> My problem is that the Moby phantom has 2 images, one for attenuation
>> and one for activity and they are different enough.
>> I see a way (difficult though) to merge the 2 images into one and
>> segment it with respect to attenuation
>> to fill att_range.dat and with respect with activity to fill
>> act_range.dat.
>> Do you see an other way to do that ?
>>
>> Thank you very much,
>> Anne
>>
>>
>> Anne Sauve, Ph.D
>> Lawrence Berkeley National Laboratory
>> 1 Cyclotron Road., Mail Stop 55R-0121
>> Berkeley, CA 94720-8119
>> Email:  ACSauve at lbl.gov
>> Phone:  510-486-7131
>> Fax: 510-486-4768
>>
>>
>>
>>      
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