public void addTree(Tree t)
{
trees.Add(t);
}
/** Detector constructor.
* Builds, from a XML file, the corresponding Haar cascade.
* @param filename The XML file (generated by OpenCV) describing the Haar cascade.
*/
public Detector(String filename)
{
XmlDocument doc = new XmlDocument();
doc.Load(filename);
stages = new List<Stage>();
XmlNode racine = doc.FirstChild.FirstChild;
string[] dementions = racine["size"].InnerText.Split(' ');
size = new Point(int.Parse(dementions[0]), int.Parse(dementions[1]));
XmlNodeList it = racine["stages"].ChildNodes;
foreach(XmlNode stage in it)
{
float thres = float.Parse(stage["stage_threshold"].InnerText, CultureInfo.InvariantCulture);
//System.out.println(thres);
XmlNodeList it2 = stage["trees"].ChildNodes;
Stage st = new Stage(thres);
foreach (XmlNode tree in it2)
{
Tree t = new Tree();
XmlNodeList it4 = tree.ChildNodes;
foreach (XmlNode feature in it4)
{
float thres2 = float.Parse(feature["threshold"].InnerText, CultureInfo.InvariantCulture);
int left_node = -1;
float left_val = 0;
bool has_left_val = false;
int right_node = -1;
float right_val = 0;
bool has_right_val = false;
XmlNode e = feature["left_val"];
if (e != null)
{
left_val = float.Parse(e.InnerText, CultureInfo.InvariantCulture);
has_left_val = true;
}
else
{
left_node = int.Parse(feature["left_node"].InnerText);
has_left_val = false;
}
e = feature["right_val"];
if (e != null)
{
right_val = float.Parse(e.InnerText, CultureInfo.InvariantCulture);
has_right_val = true;
}
else
{
right_node = int.Parse(feature["right_node"].InnerText);
has_right_val = false;
}
Feature f = new Feature(thres2, left_val, left_node, has_left_val, right_val, right_node, has_right_val, size);
XmlNodeList it3 = feature["feature"]["rects"].ChildNodes;
foreach (XmlNode node in it3)
{
string s = node.InnerText.Trim();
//System.out.println(s);
Rectangle r = Rectangle.fromString(s);
f.add(r);
}
t.addFeature(f);
}
st.addTree(t);
//System.out.println("Number of nodes in tree "+t.features.size());
}
//System.out.println("Number of trees : "+ st.trees.size());
stages.Add(st);
}
//System.out.println(stages.size());
}