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<TITLE>MultiRez - Level Set </TITLE>
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<P><FONT FACE="Times New Roman">I was trying to run the LevelSet registration using the Multi-Rez PDE deformable registration. Since the formulation of Demons and Level Set filters look very similar in ITK, I was expecting it to go through. But the code does not go past the coarse level. </FONT></P>
<P><FONT FACE="Times New Roman">Found the following bug that was raised in 2006: </FONT><A HREF="http://www.vtk.org/Bug/view.php?id=4002"><U><FONT COLOR="#0000FF" FACE="Times New Roman">http://www.vtk.org/Bug/view.php?id=4002</FONT></U></A>
<BR><FONT FACE="Times New Roman">Does anyone know if this was resolved. Thanks, Girish</FONT>
<BR><FONT FACE="Times New Roman">//snip</FONT>
<BR><FONT FACE="Times New Roman">The LevelSetMotionRegistrationFunction generates an error if a MultiResolutionPDEDeformableRegistration is used with a LevelSetMotionRegistrationFilter. This is because the m_MovingImageSmoothingFilter in<BR>
<BR>
template <class TFixedImage, class TMovingImage,<BR>
class TDeformationField><BR>
void LevelSetMotionRegistrationFunction<<BR>
TFixedImage,TMovingImage,TDeformationField><BR>
::InitializeIteration()<BR>
<BR>
does not get updated correctly in the transition from coarse to fine resolution. As a result, the multiresolution registration with the levelset filter works fine at the coarsest resolution and crashes erratically at higher resolutions.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">//snip</FONT>
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