                  int&nbsp;levels,
                                            int&nbsp;winsize,
                                            int&nbsp;iterations,
                                            int&nbsp;poly_n,
                                            double&nbsp;poly_sigma,
                                            int&nbsp;flags)</pre>
</li>
</ul>
<a name="calcOpticalFlowPyrLK-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.MatOfPoint2f-org.opencv.core.MatOfPoint2f-org.ope