detectAndCompute method
DetectAndCompute keypoints and compute in an image using ORB.
For further details, please see: https://docs.opencv.org/master/d0/d13/classcv_1_1Feature2D.html#a8be0d1c20b08eb867184b8d74c15a677
Implementation
(VecKeyPoint, Mat) detectAndCompute(Mat src, Mat mask) {
final pdesc = calloc<cvg.Mat>();
final ret = calloc<cvg.VecKeyPoint>();
cvRun(() => cfeatures2d.cv_ORB_detectAndCompute(ref, src.ref, mask.ref, pdesc, ret, ffi.nullptr));
return (VecKeyPoint.fromPointer(ret), Mat.fromPointer(pdesc));
}