[Insight-users] Derivative of KullBack-Leibler Distance

[so wai king]

Hi All,
I want to know whether ITK implemented the GetDerivative() function of the
class KullbackLeiblerCompareHistogramImageToImageMetric? If not, can any one
kindly tell me how to implement the funcutions GetValue() and
GetDerivative() for KullbackLeiblerCompareHistogramImgeToImageMetric?


Thanks a lot,
Ronald
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