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<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>Hi Yogish,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>ITK currently does not have this functionality. However, we
have it implemented in ITK style in elastix, see <A
href="http://elastix.isi.uu.nl/">http://elastix.isi.uu.nl/</A>. If you download
the sources, you can find it under</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>
elastix\src\Components\Metrics\RigidityPenalty</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>Note however that it depends on an AdvancedImageToImageMetric,
amongst others, which can be found under</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial> elastix\src\Common\CostFunctions</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>If you want to use it with elastix you just need to use a
parameter file similar to the ones found on</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial> <A
href="http://elastix.bigr.nl/wiki/index.php/Par0004">http://elastix.bigr.nl/wiki/index.php/Par0004</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>Good luck,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=093031111-02092010><FONT color=#0000ff
size=2 face=Arial>Marius</FONT> </SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> insight-users-bounces@itk.org
[mailto:insight-users-bounces@itk.org] <B>On Behalf Of </B>Yogish
Mallya<BR><B>Sent:</B> donderdag 2 september 2010 11:40<BR><B>To:</B>
insight-users@itk.org<BR><B>Subject:</B> [Insight-users] Regularization term
with rigidity constraints<BR></FONT><BR></DIV>
<DIV></DIV>
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<DIV><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt">Dear
All,</SPAN></DIV>
<DIV><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt"></SPAN> </DIV>
<DIV><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt">I
am looking for a regularization term that keeps rigid objects rigid
while performing non-rigid registration. Does such a filter available in
ITK?</SPAN></DIV>
<DIV><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt"></SPAN> </DIV>
<DIV><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt">Regards</SPAN></DIV>
<DIV><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; FONT-SIZE: 10pt">Yogish<o:p></o:p></SPAN></DIV></TD></TR></TBODY></TABLE><BR></BLOCKQUOTE></BODY></HTML>