ppg.cpp

ppg.cpp

@@ -35,6 +35,15 @@ int main()
 		return 0;
 	}
 	
+	cv::CascadeClassifier faceDetector;
+	if( !faceDetector.load("./haarcascade_frontalface_alt.xml"))
+	{
+		std::cerr << "[ERROR] Unable to load face cascade" << std::endl;
+		return -1;
+	};
+	
+
+
 	while (true)
 	{
 		// create a matrix to store the image from the cam
@@ -50,6 +59,13 @@ int main()
 		cv::imshow("Color", frame);
 		if (cv::waitKey(1000.0/FPS) >= 0)
 			break;
+		
+		std::vector<cv::Rect> faceRectangles;
+		faceDetector.detectMultiScale(frame, faceRectangles, 1.1, 3, 0, cv::Size(20, 20));
+		
+		cv::Rect foreheadROI;
+		foreheadROI = faceRectangles[0];
+		foreheadROI.height *= 0.3;
 	}
 	return 0;
 }