open source pkg v1

pkg/OpenFace/lib/local/Utilities/include/VisualizationUtils.h

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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2017, Tadas Baltrusaitis all rights reserved.
+//
+// ACADEMIC OR NON-PROFIT ORGANIZATION NONCOMMERCIAL RESEARCH USE ONLY
+//
+// BY USING OR DOWNLOADING THE SOFTWARE, YOU ARE AGREEING TO THE TERMS OF THIS LICENSE AGREEMENT.  
+// IF YOU DO NOT AGREE WITH THESE TERMS, YOU MAY NOT USE OR DOWNLOAD THE SOFTWARE.
+//
+// License can be found in OpenFace-license.txt
+//
+//     * Any publications arising from the use of this software, including but
+//       not limited to academic journal and conference publications, technical
+//       reports and manuals, must cite at least one of the following works:
+//
+//       OpenFace 2.0: Facial Behavior Analysis Toolkit
+//       Tadas Baltrušaitis, Amir Zadeh, Yao Chong Lim, and Louis-Philippe Morency
+//       in IEEE International Conference on Automatic Face and Gesture Recognition, 2018  
+//
+//       Convolutional experts constrained local model for facial landmark detection.
+//       A. Zadeh, T. Baltrušaitis, and Louis-Philippe Morency,
+//       in Computer Vision and Pattern Recognition Workshops, 2017.    
+//
+//       Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
+//       Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling 
+//       in IEEE International. Conference on Computer Vision (ICCV),  2015 
+//
+//       Cross-dataset learning and person-specific normalisation for automatic Action Unit detection
+//       Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson 
+//       in Facial Expression Recognition and Analysis Challenge, 
+//       IEEE International Conference on Automatic Face and Gesture Recognition, 2015 
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef VISUALIZATION_UTILS_H
+#define VISUALIZATION_UTILS_H
+#include <stdafx_ut.h>
+
+namespace Utilities
+{
+
+	// Drawing a bounding box around the face in an image
+	void DrawBox(cv::Mat image, cv::Vec6f pose, cv::Scalar color, int thickness, float fx, float fy, float cx, float cy);
+	void DrawBox(const std::vector<std::pair<cv::Point2f, cv::Point2f>>& lines, cv::Mat image, cv::Scalar color, int thickness);
+
+	// Computing a bounding box to be drawn
+	std::vector<std::pair<cv::Point2f, cv::Point2f>> CalculateBox(cv::Vec6f pose, float fx, float fy, float cx, float cy);
+
+    void Visualise_FHOG(const cv::Mat_<double>& descriptor, int num_rows, int num_cols, cv::Mat& visualisation);
+
+	class FpsTracker
+	{
+	public:
+		
+		double history_length;
+
+		void AddFrame();
+
+		double GetFPS();
+
+		FpsTracker();
+
+	private:
+		std::queue<double> frame_times;
+
+		void DiscardOldFrames();
+
+	};
+
+}
+#endif // VISUALIZATION_UTILS_H