Class obj(Mat image_source, Mat image_curves_up, Mat image_curves_down, int xmax_up, int ymax_up);
obj.split_image(Mat image_source, Mat image_curves_up, Mat image_curves_down);
obj.calc_point_str(Mat image_curves_up, Mat image_curves_down, vector<point_str> vpstr_1, vector<point_str> vpstr_2);
obj.calc_out_str(vector<point_str> vpstr_1, vector<point_str> vpstr_2, vector<point_str> vostr, Mat image_curves_up, Mat image_curves_down, int xmax_up, int ymax_up);