[Insight-users] MR-SPECT Registration--Views

[valli gummadi]

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<P>=0A<BR>=0A Hi,<BR>=0A <BR>=0A&nbsp; &nbsp; &nbsp; I am working on MR-SPE=
CT Registratiom.My MR volume is in coronal orientationa and SPECT is in Axi=
al view. SO, I changed MR to Axial view using ITKOrientImageFilter and regi=
sterd Axial mr with axial spect image. I tried to initilize transform with =
centered transform initializer. But, I am getting runtime error.so,Used ide=
ntity transform as initial parameters for registration. <BR>=0AAfter regist=
ration and resampling image dimensions are changed to fixed image dimension=
s but, the final parameters are identity matrix.<BR>=0A<BR>=0AWhen i try wi=
th original mr and spect i.e with out converting mr to axial , Registration=
 process is quite ok. I mean with out any erros and matrix is not identity.=
 But, Coronal view should be registered with coronal view spect. Any more p=
rocessing is required to register coronal MR with coronal SPECt and Transve=
rse MR with Transverse SPECT. Can anybody tell me the reason.Because, Asfar=
as i know MR images will be in coroanl view. To register them with spect we=
 have to change them to transverse view as spect images will be in tranvers=
e.<BR>=0A<BR>=0AThanking You,<BR>=0ARegards,<BR>=0ASrivalli.<BR>=0A=0A</P>=
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=0A Hi,=0A =0A      I am working on MR-SPECT Registratiom.My MR volume is i=
n coronal orientationa and SPECT is in Axial view. SO, I changed MR to Axia=
l view using ITKOrientImageFilter and registerd Axial mr with axial spect i=
mage. I tried to initilize transform with centered transform initializer. B=
ut, I am getting runtime error.so,Used identity transform as initial parame=
ters for registration. =0AAfter registration and resampling image dimension=
s are changed to fixed image dimensions but, the final parameters are ident=
ity matrix.=0A=0AWhen i try with original mr and spect i.e with out convert=
ing mr to axial , Registration process is quite ok. I mean with out any err=
os and matrix is not identity. But, Coronal view should be registered with =
coronal view spect. Any more processing is required to register coronal MR =
with coronal SPECt and Transverse MR with Transverse SPECT. Can anybody tel=
l me the reason.Because, Asfaras i know MR images will be in coroanl view. =
To register them with spect we have to change them to transverse view as sp=
ect images will be in tranverse.=0A=0AThanking You,=0ARegards,=0ASrivalli.=
=0A
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