<h4>clone</h4>
<pre>public&nbsp;<a href="../../../org/opencv/features2d/DescriptorMatcher.html" title="class in org.opencv.features2d">DescriptorMatcher</a>&nbsp;clone(boolean&nbsp;emptyTrainData)</pre>
<div class="block">Clones the matcher.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>emptyTrainData</code> - If emptyTrainData is false, the method creates a deep copy of the object,
     that is, copies both parameters and train data. If emptyTrainData is true, the method creates