[Insight-users] fem registration filter

[b gises]

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hi,
 
i'm new to itk so pardon me for the long question.
i have 10 time frames of tagged MRI slices of cardiac images, and i 
need to create and visualise a model of the right ventricle to compute the 
displacement and rotation. 
i saw the itkfemregistrationfilter and i read the comments in it which 
says it can extract a mesh for the model, but i'm not sure how to. Can 
this fem filter be used to placed any amount of nodes on the tagged 
points and register the images (ti and ti+1) and automatically extract a 
mesh. As the main objective is to create a application where user can 
place the nodes interactively (like the one in Insight Applications: 
Landmark Inisialization) for registration of images.
 
am i right to say that by using  the itk registration filter, i can 
both segment the right ventricle as well as register the images, and the 
displacement can be obtained from the registration. Can anyone describe 
how i should use this fem registration as i can't find much 
documentation on this class.
 
Also, how i can modify the Landmark Inisialization application such 
that i can place a large number of nodes on the images and use fem method 
for registration. 
 
Thanks for any help
with Regards
janiv



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<DIV>hi,<BR> <BR>i'm new to itk so pardon me for the long question.</DIV>
<DIV>i have 10 time frames of tagged MRI slices of cardiac images, and i <BR>need to create and visualise a model of the right ventricle to compute the <BR>displacement and rotation. <BR>i saw the itkfemregistrationfilter and i read the comments in it which <BR>says it can extract a mesh for the model, but i'm not sure how to. Can <BR>this fem filter be used to placed any amount of nodes on the tagged <BR>points and register the images (ti and ti+1) and automatically extract a <BR>mesh. As the main objective is to create a application where user can <BR>place the nodes interactively (like the one in Insight Applications: <BR>Landmark Inisialization) for registration of images.<BR> <BR>am i right to say that by using&nbsp; the itk registration filter, i can <BR>both segment the right ventricle as well as register the images, and the <BR>displacement can be obtained from the registration. Can anyone describe <BR>how i should use this fem registration as i can't find much
 <BR>documentation on this class.<BR> <BR>Also, how i can modify the Landmark Inisialization application such <BR>that i can place a large number of nodes on the images and use fem method <BR>for registration. <BR> <BR>Thanks for any help<BR>with Regards<BR>janiv<BR><BR></DIV><p><font face=arial size=-1>Do you Yahoo!?<br>
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