opengaze/include/opengaze.hpp
2019-01-10 13:26:03 +01:00

81 lines
2.5 KiB
C++

#ifndef OPEN_GAZE_H
#define OPEN_GAZE_H
#include <string>
#include <vector>
#include <boost/program_options.hpp>
#include <boost/filesystem.hpp>
#include <opencv2/opencv.hpp>
#include "input_handler.hpp"
#include "gaze_estimator.hpp"
#include "data.hpp"
#include "personal_calibrator.hpp"
namespace opengaze {
class OpenGaze {
public:
explicit OpenGaze(int argc, char** argv); //read configuration file
~OpenGaze();
// main function to estimate and show the gaze vector drawn on the input face image.
void runGazeVisualization();
/**
* main function to run personal calibration.
* @param num_calibration_point the numbers of points for calibration.
*/
void runPersonalCalibration(int num_calibration_point=5);
// main function to estimate and draw gaze point on the screen.
void runGazeOnScreen();
// main function to extract the face image from input image. The face image can then
// be used to train a custom gaze estimation model
void runDataExtraction();
private:
// visualization
/**
* function to draw the gaze vector on the input face image.
* @param sample the input data includes the gaze vector, head pose etc.
* @param image the input image contains the face. This function will draw the gaze vector on this input image
*/
void drawGazeOnFace(opengaze::Sample sample, cv::Mat &image);
// draw the detected facial landmark
void drawLandmarks(opengaze::Sample sample, cv::Mat &image);
// draw the estimated gaze on the top left corner of the input image
// to show the relative position on the screen. In this case,
//the user can see both the input image and the projected gaze target on the screen.
//This function is mainly used for debugging.
void drawGazeOnSimScreen(opengaze::Sample sample, cv::Mat &image);
// estimate and draw gaze point on the screen
void drawGazeOnScreen(opengaze::Sample sample, cv::Mat &image);
// show debug mode will show the gaze draw on the face
bool show_debug_;
//class instances
InputHandler input_handler_;
GazeEstimator gaze_estimator_;
// input camera id
int camera_id_;
// temporary variables to store the input path, output path, input type
boost::filesystem::path input_dir_;
InputHandler::InputType input_type_;
boost::filesystem::path output_dir_;
bool is_face_model_;
bool is_save_video_;
// path to save the personal calibration model
std::string per_model_save_path_;
};
}
#endif //OPEN_GAZE_H