private List <double> PrepareFeatures()
{
List <double> features = null;
BitMatrix matrix = new BitMatrix(m_ProcessedImage);
List <Point> path = m_HandAnalyzer.FindLongestPath(matrix);
// find centroid
Point centroid = m_HandAnalyzer.FindCentroid(matrix, path);
// find min/max points
List <APair <int, double> > minimums, maximums;
bool result = m_HandAnalyzer.FindFingerPoints(path, centroid, out maximums, out minimums);
if (result)
{
// find finger features
features = m_HandAnalyzer.FindFingerFeatures(matrix, path, centroid, maximums, minimums);
}
// path preview
BitMatrix pathMatrix = new BitMatrix(matrix.Width, matrix.Height);
pathMatrix.SetPoints(path, true);
// centroid preview
m_FeaturesImage = pathMatrix.ToImage();
m_FeaturesImage.DrawMarker(centroid, Color.Magenta, 4);
// finger points preview
for (int i = 0; i < maximums.Count; ++i)
{
Point p = path[maximums[i].First];
m_FeaturesImage.DrawMarker(p, Color.Green, 4);
}
for (int i = 0; i < minimums.Count; ++i)
{
Point p = path[minimums[i].First];
m_FeaturesImage.DrawMarker(p, Color.Yellow, 4);
}
return(features);
}
