Code cleanup with visualization.

exe/FaceLandmarkVid/FaceLandmarkVid.cpp

@@ -138,10 +138,6 @@ int main (int argc, char **argv)
 			// The actual facial landmark detection / tracking
 			bool detection_success = LandmarkDetector::DetectLandmarksInVideo(grayscale_image, face_model, det_parameters);
 
-			// Visualising the results
-			// Drawing the facial landmarks on the face and the bounding box around it if tracking is successful and initialised
-			double detection_certainty = face_model.detection_certainty;
-
 			// Gaze tracking, absolute gaze direction
 			cv::Point3f gazeDirection0(0, 0, -1);
 			cv::Point3f gazeDirection1(0, 0, -1);

lib/local/FaceAnalyser/include/FaceAnalyser.h

@@ -66,8 +66,6 @@ public:
 
 	void AddNextFrame(const cv::Mat& frame, const cv::Mat_<float>& detected_landmarks, bool success, double timestamp_seconds, bool online = false);
 
-	cv::Mat GetLatestHOGDescriptorVisualisation();
-
 	double GetCurrentTimeSeconds();
 	
 	// Grab the current predictions about AUs from the face analyser
@@ -132,7 +130,6 @@ private:
 	// Cache of intermediate images
 	cv::Mat aligned_face_for_au;
 	cv::Mat aligned_face_for_output;
-	cv::Mat hog_descriptor_visualisation;
 	bool out_grayscale;
 
 	// Private members to be used for predictions

lib/local/FaceAnalyser/src/FaceAnalyser.cpp

@@ -970,11 +970,6 @@ vector<pair<string, double>> FaceAnalyser::PredictCurrentAUsClass(int view)
 	return predictions;
 }
 
-cv::Mat FaceAnalyser::GetLatestHOGDescriptorVisualisation()
-{
-	return hog_descriptor_visualisation;
-}
-
 vector<pair<string, double>> FaceAnalyser::GetCurrentAUsClass() const
 {
 	return AU_predictions_class;

lib/local/GazeAnalyser/include/GazeEstimation.h

@@ -43,7 +43,6 @@ namespace GazeAnalysis
 {
 
 	void EstimateGaze(const LandmarkDetector::CLNF& clnf_model, cv::Point3f& gaze_absolute, float fx, float fy, float cx, float cy, bool left_eye);
-	void DrawGaze(cv::Mat img, const LandmarkDetector::CLNF& clnf_model, cv::Point3f gazeVecAxisLeft, cv::Point3f gazeVecAxisRight, float fx, float fy, float cx, float cy);
 
 	// Getting the gaze angle in radians with respect to the world coordinates (camera plane), when looking ahead straight at camera plane the gaze angle will be (0,0)
 	cv::Vec2d GetGazeAngle(cv::Point3f& gaze_vector_1, cv::Point3f& gaze_vector_2);

lib/local/GazeAnalyser/src/GazeEstimation.cpp

@@ -48,10 +48,6 @@ using namespace std;
 
 using namespace GazeAnalysis;
 
-// For subpixel accuracy drawing
-const int gaze_draw_shiftbits = 4;
-const int gaze_draw_multiplier = 1 << 4;
-
 cv::Point3f RaySphereIntersect(cv::Point3f rayOrigin, cv::Point3f rayDir, cv::Point3f sphereOrigin, float sphereRadius){
 
 	float dx = rayDir.x;
@@ -149,48 +145,4 @@ cv::Vec2d GazeAnalysis::GetGazeAngle(cv::Point3f& gaze_vector_1, cv::Point3f& ga
 
 	return cv::Vec2d(x_angle, y_angle);
 
-}
-void GazeAnalysis::DrawGaze(cv::Mat img, const LandmarkDetector::CLNF& clnf_model, cv::Point3f gazeVecAxisLeft, cv::Point3f gazeVecAxisRight, float fx, float fy, float cx, float cy)
-{
-
-	cv::Mat cameraMat = (cv::Mat_<double>(3, 3) << fx, 0, cx, 0, fy, cy, 0, 0, 0);
-
-	int part_left = -1;
-	int part_right = -1;
-	for (size_t i = 0; i < clnf_model.hierarchical_models.size(); ++i)
-	{
-		if (clnf_model.hierarchical_model_names[i].compare("left_eye_28") == 0)
-		{
-			part_left = i;
-		}
-		if (clnf_model.hierarchical_model_names[i].compare("right_eye_28") == 0)
-		{
-			part_right = i;
-		}
-	}
-
-	cv::Mat eyeLdmks3d_left = clnf_model.hierarchical_models[part_left].GetShape(fx, fy, cx, cy);
-	cv::Point3f pupil_left = GetPupilPosition(eyeLdmks3d_left);
-
-	cv::Mat eyeLdmks3d_right = clnf_model.hierarchical_models[part_right].GetShape(fx, fy, cx, cy);
-	cv::Point3f pupil_right = GetPupilPosition(eyeLdmks3d_right);
-
-	vector<cv::Point3d> points_left;
-	points_left.push_back(cv::Point3d(pupil_left));
-	points_left.push_back(cv::Point3d(pupil_left + gazeVecAxisLeft*50.0));
-
-	vector<cv::Point3d> points_right;
-	points_right.push_back(cv::Point3d(pupil_right));
-	points_right.push_back(cv::Point3d(pupil_right + gazeVecAxisRight*50.0));
-
-	cv::Mat_<double> proj_points;
-	cv::Mat_<double> mesh_0 = (cv::Mat_<double>(2, 3) << points_left[0].x, points_left[0].y, points_left[0].z, points_left[1].x, points_left[1].y, points_left[1].z);
-	Utilities::Project(proj_points, mesh_0, fx, fy, cx, cy);
-	cv::line(img, cv::Point(cvRound(proj_points.at<double>(0,0) * (double)gaze_draw_multiplier), cvRound(proj_points.at<double>(0, 1) * (double)gaze_draw_multiplier)),
-		cv::Point(cvRound(proj_points.at<double>(1, 0) * (double)gaze_draw_multiplier), cvRound(proj_points.at<double>(1, 1) * (double)gaze_draw_multiplier)), cv::Scalar(110, 220, 0), 2, CV_AA, gaze_draw_shiftbits);
-
-	cv::Mat_<double> mesh_1 = (cv::Mat_<double>(2, 3) << points_right[0].x, points_right[0].y, points_right[0].z, points_right[1].x, points_right[1].y, points_right[1].z);
-	Utilities::Project(proj_points, mesh_1, fx, fy, cx, cy);
-	cv::line(img, cv::Point(cvRound(proj_points.at<double>(0, 0) * (double)gaze_draw_multiplier), cvRound(proj_points.at<double>(0, 1) * (double)gaze_draw_multiplier)),
-		cv::Point(cvRound(proj_points.at<double>(1, 0) * (double)gaze_draw_multiplier), cvRound(proj_points.at<double>(1, 1) * (double)gaze_draw_multiplier)), cv::Scalar(110, 220, 0), 2, CV_AA, gaze_draw_shiftbits);
 }

lib/local/LandmarkDetector/src/LandmarkDetectorUtils.cpp

@@ -766,7 +766,7 @@ vector<cv::Point2d> CalculateVisibleLandmarks(const CLNF& clnf_model)
 	if (clnf_model.detection_success)
 	{
 		int idx = clnf_model.patch_experts.GetViewIdx(clnf_model.params_global, 0);
-		// Because we only draw visible points, need to find which points patch experts consider visible at a certain orientation
+		// Because we may want to draw visible points, need to find which points patch experts consider visible at a certain orientation
 		return CalculateVisibleLandmarks(clnf_model.detected_landmarks, clnf_model.patch_experts.visibilities[0][idx]);
 	}
 	else
@@ -775,12 +775,12 @@ vector<cv::Point2d> CalculateVisibleLandmarks(const CLNF& clnf_model)
 	}
 }
 
-// Computing eye landmarks (to be drawn later or in different interfaces)
+// Computing eye landmarks
 vector<cv::Point2d> CalculateVisibleEyeLandmarks(const CLNF& clnf_model)
 {
 
 	vector<cv::Point2d> to_return;
-	// If the model has hierarchical updates draw those too
+
 	for (size_t i = 0; i < clnf_model.hierarchical_models.size(); ++i)
 	{
 
@@ -803,7 +803,7 @@ vector<cv::Point3d> Calculate3DEyeLandmarks(const CLNF& clnf_model, double fx, d
 {
 
 	vector<cv::Point3d> to_return;
-	// If the model has hierarchical updates draw those too
+
 	for (size_t i = 0; i < clnf_model.hierarchical_models.size(); ++i)
 	{
 
@@ -824,12 +824,12 @@ vector<cv::Point3d> Calculate3DEyeLandmarks(const CLNF& clnf_model, double fx, d
 	}
 	return to_return;
 }
-// Computing eye landmarks (to be drawn later or in different interfaces)
+// Computing eye landmarks
 vector<cv::Point2d> CalculateAllEyeLandmarks(const CLNF& clnf_model)
 {
 
 	vector<cv::Point2d> to_return;
-	// If the model has hierarchical updates draw those too
+
 	for (size_t i = 0; i < clnf_model.hierarchical_models.size(); ++i)
 	{