public CActiveShapeModel(CPointDistributionModel PDM)
{
_image = null;
PDMData = PDM;
_cx = _PDMData.clippingSize.Width / 2;
_cy = _PDMData.clippingSize.Height / 2;
_energy = 0;
_usePreviousResult = true;
_stepCounter = 0;
_maxStep = 10;
_edgeThreshold = 20;
_detectionLimit = 10;
}
public CPointDistributionModel principalComponentAnalysis(Size clippingSize, out long time)
{
long start = CSettings.currentTimeMillis();
// Get Covarian Matrix
CMatrix s = new CMatrix(_numPoints * 2, false);
for (int i = 0; i < _numSamples; i++)
{
CVector dx = new CVector(_trainingData[i].substractCopy(_mean));
CMatrix dxdxT = dx.multiplyMatrix(dx);
s.add(dxdxT);
}
s.divide(_numSamples);
// Calculate Eigen
CPointDistributionModel ret = new CPointDistributionModel(clippingSize, _mean, CEigen.calculate(s), 7, _connectivity);
long end = CSettings.currentTimeMillis();
time = end - start;
return(ret);
}
