[Insight-users] VectorImage Registration Metric

[Kevin H. Hobbs]

On Fri, 2008-05-02 at 15:30 -0400, Luis Ibanez wrote:
> We just looked at this problem with Karthik and concluded that the
> best
> way to proceed will be to customize a couple of ImageMetrics to be
> compatible with the VectorImages.

You suggested registering each channel separately.

Is there any reason why this would not work in general? All of the
metrics produce a value and derivative. Could a VectorImageToVectorImage
class have in its template the type of metric, and create an adaptor and
a metric for each channel and then add the results?  Would the vectors
have to be averaged instead of added? 


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