public HaarCascade(int baseWidth, int baseHeight, HaarCascadeStage[] stages)
{
Width = baseWidth;
Height = baseHeight;
Stages = stages;
HasTiltedFeatures = checkTiltedFeatures(stages);
}
public HaarClassifier(int baseWidth, int baseHeight, HaarCascadeStage[] stages)
: this(new HaarCascade(baseWidth, baseHeight, stages))
{
}
public object Clone()
{
HaarCascadeStage[] newStages = new HaarCascadeStage[Stages.Length];
for (int i = 0; i < newStages.Length; i++)
newStages[i] = (HaarCascadeStage)Stages[i].Clone();
HaarCascade r = new HaarCascade(Width, Height);
r.HasTiltedFeatures = this.HasTiltedFeatures;
r.Stages = newStages;
return r;
}
private static bool checkTiltedFeatures(HaarCascadeStage[] stages)
{
foreach (var stage in stages)
foreach (var tree in stage.Trees)
foreach (var node in tree)
if (node.Feature.Tilted == true)
return true;
return false;
}
private void writeStage(int i, HaarCascadeStage stage)
{
writer.WriteLine(" #region Stage {0}", i);
writer.WriteLine(" stage = new HaarCascadeStage({0}, {1}, {2}); nodes = new List<HaarFeatureNode[]>();",
stage.Threshold.ToString("R", NumberFormatInfo.InvariantInfo),
stage.ParentIndex, stage.NextIndex);
// Write stage trees
for (int j = 0; j < stage.Trees.Length; j++)
writeTrees(stage, j);
writer.WriteLine(" stage.Trees = nodes.ToArray(); stages.Add(stage);");
writer.WriteLine(" #endregion");
writer.WriteLine();
}
private void writeTrees(HaarCascadeStage stage, int j)
{
writer.Write(" nodes.Add(new[] { ");
// Assume trees have single node
writeFeature(stage.Trees[j][0]);
writer.WriteLine(" });");
}
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;
}
