Impala Documentation

double Impala::Core::VideoSet::KfrMotionExtractor::CalcEnergy	(	const int	indexOfTPL,
		int	bWidth,
		int	bHeight,
		BOOL	bNormalized = `TRUE`
	)			`[inline]`

Definition at line 842 of file KfrMotionExtractor.h.

References m_EnergyMap, m_TPLMax, m_TPLMean, m_TPLMin, m_Weight, max, min, and Normalization().

Referenced by ComputeEnergy().

00843     {
00844         double Energy = 0;
00845         for (int i = 0; i < bWidth * bHeight; i ++)
00846             Energy += m_EnergyMap[i] * m_Weight[indexOfTPL][i];
00847 
00848         if (bNormalized){
00849             //normalize the energy between [0,1]
00850             double min = m_TPLMin[indexOfTPL]*bWidth*bHeight;
00851             double max = m_TPLMax[indexOfTPL]*bWidth*bHeight;
00852             Energy = Normalization(Energy,min,max);
00853             
00854         } else {
00855             // Note: this case is OK only if all the video files are with the same size.
00856             //       Or, videos with different (bWidth,bHeight)s can NOT be compared each other.
00857             //
00858             // only adjust according to the mean of the template
00859             Energy = Energy - m_TPLMean[indexOfTPL];
00860         }
00861         return Energy;
00862     }

Here is the call graph for this function: