[Insight-users] Fwd: deform registration

[Tina Wang]

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Note: forwarded message attached.


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<DIV><BR><BR>Note: forwarded message attached.</DIV><p><hr SIZE=1>
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Received: from [129.176.151.122] by web11903.mail.yahoo.com via HTTP; Thu, 23 Oct 2003 09:03:44 PDT
Date: Thu, 23 Oct 2003 09:03:44 -0700 (PDT)
From: Tina Wang <tina06992003 at yahoo . com>
Subject: deform registration
To: insight-users at itk . org
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I am running the sample program ( deformableRegistration1) with sample images (RatLungslic1 and 2), the output image did not change at all by using any metric function. Attached is the parameters I used. Please help!!
 
Thanks,
 
tina



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<DIV>
<DIV>I am running the sample program ( deformableRegistration1) with sample images (RatLungslic1 and 2), the output image did not change at all by using any metric function. Attached is the parameters I used. Please help!!</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks,</DIV>
<DIV>&nbsp;</DIV>
<DIV>tina</DIV></DIV><p><hr SIZE=1>
Do you Yahoo!?<br>
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Content-Type: text/plain; name="2D_param.txt"
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% Configuration file #1 for DeformableRegistration1.cxx
%
% This example demonstrates the setup of a basic registration
% problem that does NOT use multi-resolution strategies. As a
% result, only one value for the parameters between
% (# of pixels per element) and (maximum iterations) is necessary.
% If you were using multi-resolution, you would have to specify
% values for those parameters at each level of the pyramid.
%
% Note: the paths in the parameters assume you have the traditional
% ITK file hierarchy as shown below:
%
% ITK/Insight/Examples/Registration/DeformableRegistration1.cxx
% ITK/Insight/Examples/Data/RatLungSlice*
% ITK/Insight-Bin/bin/DeformableRegistration1
%
% ---------------------------------------------------------
% Parameters for the single- or multi-resolution techniques
% ---------------------------------------------------------
1 % Number of levels in the multi-res pyramid (1 = single-res)
1 % Highest level to use in the pyramid
1 1 % Scaling at lowest level of pyramid
4 % Number of pixels per element
1.e4 % Elasticity (E)
1.e4 % Density x capacity (RhoC)
1 % Image energy scaling (gamma) - sets gradient step size
2 % NumberOfIntegrationPoints
1 % WidthOfMetricRegion
50 % MaximumIterations
% -------------------------------
% Parameters for the registration
% -------------------------------
0 0.99 % Similarity metric (0=mean sq, 1=ncc, 2=patern, 3=MI, 5=demons)
1.0 % Alpha
0 % DescentDirection (1 = max, 0 = min)
0 % DoLineSearch (0=never, 1=always, 2=if needed)
1.e1 % TimeStep
0.5 % Landmark variance
0 % Employ regridding / enforce diffeomorphism ( >= 1 -> true)
% ----------------------------------
% Information about the image inputs
% ----------------------------------
128 % Nx (image x dimension)
128 % Ny (image y dimension)
0 % Nz (image z dimension - not used if 2D)
y:\imagepool\general-images\RatLungSlice1.hdr % ReferenceFileName
y:\imagepool\general-images\RatLungSlice2.hdr % TargetFileName
% -------------------------------------------------------------------
% The actions below depend on the values of the flags preceding them.
% For example, to write out the displacement fields, you have to set
% the value of WriteDisplacementField to 1.
% -------------------------------------------------------------------
0 % UseLandmarks? - read the file name below if this is true
- % LandmarkFileName
y:\imagepool\general-images\RS_deform2-1.hdr % ResultsFileName (prefix only)
1 % WriteDisplacementField?
y:\imagepool\general-images\RatLung_disp % DisplacementsFileName (prefix only)
0 % ReadMeshFile?
- % MeshFileName
END
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