getFeatures method
Implementation
Mat getFeatures(InputArray src, int gnrmRad, int gsmthRad, int shrink, int outNum, int gradNum) {
final p = calloc<cvg.Mat>();
cvRun(
() => cffi.ximgproc_RFFeatureGetter_getFeatures(
ref,
src.ref,
p,
gnrmRad,
gsmthRad,
shrink,
outNum,
gradNum,
),
);
return Mat.fromPointer(p);
}