public object Clone()
{
HaarFeatureNode[][] newTrees = new HaarFeatureNode[Trees.Length][];
for (int i = 0; i < newTrees.Length; i++)
{
HaarFeatureNode[] tree = Trees[i];
HaarFeatureNode[] newTree = newTrees[i] =
new HaarFeatureNode[tree.Length];
for (int j = 0; j < newTree.Length; j++)
newTree[j] = (HaarFeatureNode)tree[j].Clone();
}
HaarCascadeStage r = new HaarCascadeStage();
r.NextIndex = NextIndex;
r.ParentIndex = ParentIndex;
r.Threshold = Threshold;
r.Trees = newTrees;
return r;
}