es</code> - Found matches.
     false, the matches vector has the same size as queryDescriptors rows. If compactResult is true,
     the matches vector does not contain matches for fully masked-out query descriptors.</dd>
<dd><code>maxDistance</code> - Threshold for the distance between matched descriptors. Distance means here
     metric distance (e.g. Hamming distance), not the distance between coordinates (which is measured
     in Pixels)!
     descriptors.

     For each query descriptor, the methods f