_cv_image = cv::Mat(cv::Size(image_data.width, image_data.height), CV_MAKETYPE(CV_8U, 3), image_data.ptr).clone();
arrowedLine(_cv_image, Point2i(_result.center.x, _result.center.y),
- Point2i(_result.focus.x, _result.focus.y), Scalar(0, 0, 255), 5, 8, 0, 0.25); // projected gaze vector
+ Point2i(_result.focus.x, _result.focus.y), Scalar(0, 0, 255), 2, 8, 0, 0.2); // projected gaze vector
- circle(_cv_image, Point2i(_result.center.x, _result.center.y), 4, Scalar(0, 255, 0), 2); // projected gaze vector
+ circle(_cv_image, Point2i(_result.center.x, _result.center.y), 3, Scalar(0, 255, 0), 2); // projected gaze vector
_image_data.width = _cv_image.cols;
_image_data.height = _cv_image.rows;
_image_data.byte_per_pixel = _cv_image.channels();