title: how to extract x,y coordinates from OpenCV "cv2.keypoint" object?
body: <p>I tried to use the following code:</p>
  
  <pre><code>    xCoordinate=point.x
  </code></pre>
  
  <p>(point is type of cv2.keyPoint)
  It gives me error saying cv2.keyPoint has no attribute 'x'</p>