[vtkusers] Surface reconstruction

[Nour Mestiri]

Hi Marcel.
In fact, i have a sequence of 2D 'segmented' images which represent the bones of the human head.
When i make the reconstruction, i obtain the whole volume of the skull. My objective is to keep just the extern surface of this skull and eliminate all the rest.
Is it possible? If yes, how to do?
Thank you.

--- En date de : Lun 2.3.09, Marcel Weiss <mweiss at cbs.mpg.de> a écrit :

De: Marcel Weiss <mweiss at cbs.mpg.de>
Objet: Re: [vtkusers] Surface reconstruction
À: nourmestiri at yahoo.fr
Cc: "VTK Users" <vtkusers at vtk.org>
Date: Lundi 2 Mars 2009, 14h06

about what kind of data (medical?) and about which surface are we taking?

> generate directly the surface of the 3D image
the bounding box?

Marcel Weiss
PhD student
Department of Neurophysics
Max Planck Institute for Human Cognitive and Brain Sciences 

----- Original Message -----
From: "Nour Mestiri" <nourmestiri at yahoo.fr>
To: "Elvis Dowson" <elvis.dowson at mac.com>
Cc: "VTK Users" <vtkusers at vtk.org>
Sent: Monday, March 2, 2009 2:53:40 PM GMT +01:00 Amsterdam / Berlin / Bern /
Rome / Stockholm / Vienna
Subject: Re: [vtkusers] Surface reconstruction



Hi all vtk users. 
Thank you Elvis for your help. I used the 'Marching Cubes' algorithm
and it generated a surface from the volume but it's not the surface i'm
looking for. 
In fact, i want to extract the 'extern' surface of the volume
independently from the 'isovalue' or any other factor. Is it possible? 

--- En date de : Sam 28.2.09, Elvis Dowson <elvis.dowson at mac.com> a
écrit : 


De: Elvis Dowson <elvis.dowson at mac.com> 
Objet: Re: [vtkusers] Surface reconstruction 
À: nourmestiri at yahoo.fr 
Cc: "VTK Users" <vtkusers at vtk.org> 
Date: Samedi 28 Février 2009, 20h34 



Hi Nouri, 
You should try the Marching Cubes algorithm samples. This algorithm was
invented by Bill Lorensen. It can be used to extract a surface from 2D DICOM
images. 


Best regards, 


Elvis Dowson 




On Feb 28, 2009, at 10:11 PM, Nour Mestiri wrote: 



	
Hi all vtk users. 
I have a sequence of 2D images and i want to make the reconstruction of a 3D
image. 
I know how to make the 'volume' reconstruction but i'm interested
by the 'surface' reconstrcuction (generate directly the surface of the
3D image). 
Is it possible? If yes, can you tell me what to do? 
Thank you so much 
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