 set.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queryDescriptors</code> - Query set of descriptors.</dd>
<dd><code>trainDescriptors</code> - Train set of descriptors. This set is not added to the train descriptors
     collection stored in the class object.</dd>
<dd><code>matches</code> - Matches. If a query descriptor is masked out in mask , no match is added for this
     descriptor. So, matches size may be smaller than the query descriptors count.
     descriptors.

     I