73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
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#ifndef FACE_DETECTOR_HPP
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#define FACE_DETECTOR_HPP
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#include <iostream>
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#include <vector>
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#include <string>
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#include <opencv2/opencv.hpp>
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#if USE_DLIB
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// if we use dlib
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#include <dlib/opencv.h>
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#include <dlib/image_processing/frontal_face_detector.h>
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#include <dlib/image_processing/render_face_detections.h>
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#include <dlib/image_processing.h>
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#include <dlib/gui_widgets.h>
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#include <dlib/image_io.h>
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#endif
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#include "data.hpp"
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namespace opengaze{
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class FaceDetector {
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public:
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FaceDetector();
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~FaceDetector();
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/**
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* face and facial landmark detection selection
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* The current implementation is only OpenFace. OpenFace use dlib for face detection
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*/
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enum Method{OpenFace, OpenCV, Dlib};
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/**
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* main function to detect and track face and facial landmarks
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* @param input_img input image
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* @param output output data structure
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*/
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void track_faces(cv::Mat input_img, std::vector<opengaze::Sample> &output);
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void reset();
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void setMethodType(Method method_type) {method_type_ = method_type;}
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Method getMethodType() {return method_type_;}
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void initialize(int number_users);
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private:
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Method method_type_;
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#if USE_DLIB
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dlib::frontal_face_detector dlib_detector_;
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dlib::shape_predictor dlib_sp_;
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#endif
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// parameters for OpenFace
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std::vector<bool> active_models_;
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unsigned long num_faces_max_;
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int detection_skip_frames_, tracking_loss_limit_;
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float detection_resize_rate_;
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float nonoverlap_threshold_;
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double certainty_threshold_;
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int landmark_indices_[6];
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int frame_counter_;
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unsigned long current_face_id_;
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std::vector<unsigned long> face_ids_;
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};
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}
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#endif //FACE_DETECTOR_HPP
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