65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
#ifndef PERSONAL_CALIBRATOR_HPP
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#define PERSONAL_CALIBRATOR_HPP
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#include <string>
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#include <vector>
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#include <opencv2/opencv.hpp>
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class PersonalCalibrator {
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public:
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PersonalCalibrator(int screen_width, int screen_height);
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~PersonalCalibrator();
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/**
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* generate the random locations for calibration
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* @param num_points number of points to generate
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*/
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void generatePoints(int num_points);
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// get the show window ready, it should be full-screen
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void initialWindow();
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// show the next calibration point
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bool showNextPoint();
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// wait for 0.5 second to receive the confirmation (mouse click) from user
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void confirmClicking();
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/**
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* generate a polynomial function for the personal calibration
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* @param prediction prediction from gaze estimation method
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* @param ground_truth calibration points locations on the screen
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* @param order the order of polynomial function, 1 means the linear
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*/
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void generateModel(std::vector<cv::Point2f> prediction, std::vector<cv::Point2f> ground_truth, int order=1);
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/**
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* save the personal calibration model
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* @param file_path path to save the model
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*/
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void saveModel(std::string file_path);
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/**
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* load the personal calibration model
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* @param file_path path to load the model
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*/
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void loadModel(std::string file_path);
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/**
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* return current calibration point location on the screen
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* @return location on the screen
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*/
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cv::Point2f getCurrentPoint() {return points_[index_point_];}
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// function to calculate the polynomial function
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void calibratePolynomial();
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private:
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// indicator if the user click the mouse or not
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bool is_click_;
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// number of points for personal calibration
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int num_points_;
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// index for the current calibration points
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int index_point_;
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// vector to store the generated calibration points
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std::vector<cv::Point2i> points_;
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int screen_width_, screen_height_, center_radius_; // monitor width and height in pixel
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// personal model
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cv::Mat model_matrix_;
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};
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#endif //PERSONAL_CALIBRATOR_HPP
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