private void setDefaultIntrinsicParameter(int height, int width, double fovYinRadian) {
   double f = height / 2.0 / Math.tan(fovYinRadian / 2.0);
   intrinsicParameters = new IntrinsicParameters();
   intrinsicParameters.width = width;
   intrinsicParameters.height = height;
   intrinsicParameters.cx = width / 2;
   intrinsicParameters.cy = height / 2;
   intrinsicParameters.fx = f;
   intrinsicParameters.fy = f;
 }