ateBackgroundSubtractorMOG2(int&nbsp;history,
                                                                      double&nbsp;varThreshold,
                                                                      boolean&nbsp;detectShadows)</pre>
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<h4>createOptFlow_DualTVL1</h4>
<pre>public static&nbsp;<a href="../../../org/opencv/video/DualTVL1OpticalFlow.html" title="class in org.opencv.v