//Is not fully implemented. Issues with training Recognizer!!! public bool isPersonOfInterest(Mat face) { int[] label = { -1, -1, -1, -1 }; double[] confidence = { -1.0, -1.0, -1.0, -1, 0 }; recognizer.predict(face, label, confidence); //int prediction = recognizer.predict_label(face); Debug.Log(string.Format("Confidence is :{0}, Label is {1} ", confidence[0], label[0])); if (confidence[0] >= 0) { return(true); } else { return(false); } }