Impala Documentation

template<class ElemT>

ElemT Impala::Core::Vector::KullbackDivergence	(	const VectorTem< ElemT > &	v1,
		const VectorTem< ElemT > &	v2
	)			`[inline]`

KL(v1||v2).

Definition at line 16 of file KullbackDivergence.h.

References Impala::Core::Vector::VectorTem< ElemT >::Size().

Referenced by Impala::Core::VideoSet::ShotSegmenter::ComputeSSWeights().

00017 {
00018     ElemT score = 0;
00019     for (int i=0 ; i<v1.Size() ; i++)
00020         if((v2[i]!=0)&&(v1[i]!=0))
00021             score += v1[i]*log(v1[i]/v2[i]);
00022     return score;
00023 }

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