std::vector<DistanceType>& dists, int knn, const ::cvflann::SearchParams& params);
void knnSearch(const Mat& queries, Mat& indices, Mat& dists, int knn, const ::cvflann::SearchParams& params);
+ /** @brief Performs a radius nearest neighbor search for a given query point using the index.
+
+ @param query The query point.
+ @param indices Vector that will contain the indices of the nearest neighbors found.
+ @param dists Vector that will contain the distances to the nearest neighbors found. It has the same
+ number of elements as indices.
+ @param radius The search radius.
+ @param params SearchParams
+
+ This function returns the number of nearest neighbors found.
+ */
int radiusSearch(const std::vector<ElementType>& query, std::vector<int>& indices,
std::vector<DistanceType>& dists, DistanceType radius, const ::cvflann::SearchParams& params);
int radiusSearch(const Mat& query, Mat& indices, Mat& dists,