AKAZE.empty constructor
      
      AKAZE.empty()
     
    
returns a new AKAZE algorithm
For further details, please see: https://docs.opencv.org/master/d8/d30/classcv_1_1AKAZE.html
Implementation
factory AKAZE.empty() {
  final p = calloc<cvg.AKAZE>();
  cvRun(() => cfeatures2d.cv_AKAZE_create(p));
  return AKAZE._(p);
}