[Insight-users] itkMattesMI: LocalSupport Transforms

[Roshni]

Hi,

I am trying to modify "itkMattesMutualInformationMetricv4" but am having
trouble following the logic behind the derivative computations when a
"local support" transformation is used.
Please could someone explain the basic ideas used?

Also, do local support transforms imply dense transformations with local
support basis functions, e.g. BSpline deformations?
Please help!

Thanks much,
R
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