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<div>Christina,</div>
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<div>Landmarks do not yet work in 3D in the FEM Framework. We are working to add support for this in ITKv4.</div>
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<div>Vince</div>
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<div>-- </div>
<div><font face="Calibri,Verdana,Helvetica,Arial"><span style="font-size:11pt">Associate Professor<br>
Department of Radiology<br>
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E-mail: vincent-magnotta@uiowa.edu<br>
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Website: http://www.healthcare.uiowa.edu/Radiology</span></font></div>
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<span style="font-weight:bold">From: </span>Cristina Oyarzun <<a href="mailto:coyarzunlaura@googlemail.com">coyarzunlaura@googlemail.com</a>><br>
<span style="font-weight:bold">Date: </span>Thu, 17 Feb 2011 15:38:45 +0100<br>
<span style="font-weight:bold">To: </span><<a href="mailto:insight-users@itk.org">insight-users@itk.org</a>><br>
<span style="font-weight:bold">Subject: </span>[Insight-users] Problem using FEM with landmarks<br>
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Hello!<br>
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I am trying to add landmarks to a FEM registration for 3D volumes. When I try it with the existing example for 2D (DeformableRegistration1 with FiniteElementRegistrationParameters2.txt) everything goes fine, but when trying it in 3D it crashes.
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For testing purposes I just use one landmark. Everything works (landmark file is read) until the program arrives to AssembleKandM() function of itkFEMSolverCrankNicolson. Inside this function there is a call to the function GetLandmarkContributionMatrix().
The program crashes at this point, it does not even enter the mentioned function.<br>
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I am confused about this since the 2D case works, and the only difference for the 3D case (using DeformableRegistration11) is that the element type is itk::fem::Element3DC0LinearHexahedronMembrane instead of Element2DC0LinearQuadrilateralMembrane.<br>
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Do you have any idea of what could be the problem?<br>
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Greetings,<br>
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Cristina<br>
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