public HaarObjectDetector(HaarCascade cascade, int minSize, ObjectDetectorSearchMode searchMode, float scaleFactor,
ObjectDetectorScalingMode scalingMode)
{
this.classifier = new HaarClassifier(cascade);
this.minSize = new Size(minSize, minSize);
this.searchMode = searchMode;
this.ScalingMode = scalingMode;
this.factor = scaleFactor;
this.detectedObjects = new List<Rectangle>();
this.baseWidth = cascade.Width;
this.baseHeight = cascade.Height;
}
public void Write(HaarCascade cascade, string className)
{
for (int i = 0; i < cascade.Stages.Length; i++)
for (int j = 0; j < cascade.Stages[i].Trees.Length; j++)
if (cascade.Stages[i].Trees[j].Length != 1)
throw new ArgumentException("Only cascades with single node trees are currently supported.");
writer.WriteLine();
writer.WriteLine("namespace HaarCascades");
writer.WriteLine("{");
writer.WriteLine(" using System.Collections.Generic;");
writer.WriteLine();
writer.WriteLine(" public class {0} : Vision.Detection.HaarCascade", className);
writer.WriteLine(" {");
writer.WriteLine();
writer.WriteLine(" public {0}()", className);
writer.WriteLine(" : base({0}, {1})", cascade.Width, cascade.Height);
writer.WriteLine(" {");
writer.WriteLine(" List<HaarCascadeStage> stages = new List<HaarCascadeStage>();");
writer.WriteLine(" List<HaarFeatureNode[]> nodes;");
writer.WriteLine(" HaarCascadeStage stage;");
writer.WriteLine();
if (cascade.HasTiltedFeatures)
{
writer.WriteLine(" HasTiltedFeatures = true;");
writer.WriteLine();
}
// Write cascade stages
for (int i = 0; i < cascade.Stages.Length; i++)
writeStage(i, cascade.Stages[i]);
writer.WriteLine();
writer.WriteLine(" Stages = stages.ToArray();");
writer.WriteLine(" }");
writer.WriteLine(" }");
writer.WriteLine("}");
}
public HaarClassifier(HaarCascade cascade)
{
this.cascade = cascade;
}
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;
}
public HaarObjectDetector(HaarCascade cascade, int minSize, ObjectDetectorSearchMode searchMode, float scaleFactor)
: this(cascade, minSize, searchMode, scaleFactor, ObjectDetectorScalingMode.SmallerToGreater)
{
}
public HaarObjectDetector(HaarCascade cascade, int minSize, ObjectDetectorSearchMode searchMode)
: this(cascade, minSize, searchMode, 1.2f)
{
}
public HaarObjectDetector(HaarCascade cascade, int minSize)
: this(cascade, minSize, ObjectDetectorSearchMode.NoOverlap)
{
}
public HaarObjectDetector(HaarCascade cascade)
: this(cascade, 15)
{
}
