/// <summary> /// Create a FisherFaceRecognizer /// </summary> /// <param name="numComponents">The number of components</param> /// <param name="threshold">The distance threshold</param> public FisherFaceRecognizer(int numComponents = 0, double threshold = double.MaxValue) { _ptr = ContribInvoke.CvFisherFaceRecognizerCreate(numComponents, threshold); }