Hi Lia,
if you generated centerlines from a model segmented from the image and the
image spacing was expressed
in mm, then your centerline coordinates and radii will be in mm.
vmtk has no notion of units per se, it just carries over whatever unit the
input was expressed in.
Best regards
Luca
--
Luca Antiga, PhD
Cofounder and Principal Scientist, Orobix Srl
via L.A. Muratori 3, 24123 Bergamo, Italy
orobix: www.orobix.com
home: lantiga.github.com
twitter: twitter.com/lantiga
On Mar 6, 2012, at 1:59 PM, Lia Silva wrote:
> Em 01-03-2012 11:48, ido yerushalmy escreveu:
>>
>> Hi Lia,
>> Are you using 'colliding fronts' as the initial segmentation method?
>> If so, note that only regions where the fronts that are in opposite
>> directions define the segmented region.
>> When working on a linear segment that's fine, but when working on a rounded
>> part the segmentation may be partial.
>>
>> Is this explanation relevant for your case?
>>
>> Best,
>> Ido Yerushalmy
>>
>> On Thu, Mar 1, 2012 at 11:27 AM, Luca Antiga <luca.ant...@orobix.com> wrote:
>> Dear Lia,
>> I'm not sure I fully understand. Can you post an explanatory screenshot on
>> the mailing list?
>> Thanks
>>
>> Luca
>>
>>
>> On Feb 22, 2012, at 5:25 PM, Lia Silva wrote:
>>
>>> Hello all!
>>>
>>> I have a problem with aorta segmentation. I'm using this code
>>> vmtklevelsetsegmentation -ifile image_volume_voi.vti -ofile level_sets.vti.
>>> This works perfectly if i select a small and linear volume. The problem is
>>> when i try to reconstruct the aorta cross. It doesnt appear fully
>>> reconstructed but half reconstructed. Can anyone help me with that?
>>>
>>> Thanks
>>>
>>> ------------------------------------------------------------------------------
>>> Virtualization & Cloud Management Using Capacity Planning
>>> Cloud computing makes use of virtualization - but cloud computing
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>>
>>
>> ------------------------------------------------------------------------------
>> Virtualization & Cloud Management Using Capacity Planning
>> Cloud computing makes use of virtualization - but cloud computing
>> also focuses on allowing computing to be delivered as a service.
>> http://www.accelacomm.com/jaw/sfnl/114/51521223/
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>>
> Hi! Yes, i'm using collliding fronts.. I managed to fix the problem with the
> segmentation of small branches and then i merged all and it was perfect :)
>
> I have another question btw. After the segmentation i computed a centerline
> and extracted the values of the centerpoints to a format .dat . I got the X
> Y Z coordinates and the MaximumInscribedSphereRadius. I'm guessing that the
> unities comes in mm. Is that right?
>
> Best regards
>
> Lia Silva
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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