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(() => cffi.AKAZE_Create(p));
return AKAZE._(p);
}