[Insight-users] quaternion registration initialization

michiel mentink michael.mentink at st-hughs.ox.ac.uk
Thu Mar 11 11:07:37 EST 2010


Has anybody got an idea how to initialize Quaternion Registration and its'
optimizer?

When I run the registration, there's no optimization:

0   -0.217825   [0, 0, 0, 1, 2.34375, 53.125, 2.64351]
1   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
2   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
3   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
4   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
5   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
6   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
7   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
8   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
9   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]
10   0   [0.141868, -0.434396, 0.649002, -0.608251, 12.9582, 50.573,
4.15614e+265]


I suspect it has something to do with  optimizer->SetMetric() but I can't
figure out what
to put there.

cheers,

Michael
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