title: Create new ArUco marker
body: <p>Is it possible to train a new marker for ArUco? For example in ARToolKit there is a possibility to create new marker patterns and train them using mk_patt.exe, which generates pattern file that can be used to detect the pattern. Is it possible to do something similar in ArUco library?<br/>
  I am interested in training following type of markers for ArUco:<br/>
  <a href="https://i.stack.imgur.com/xSAGV.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xSAGV.jpg" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/9M7wv.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9M7wv.jpg" alt="enter image description here"></a></p>
  
  <p>Thank you.</p>