### Navigation

- index
- next |
- previous |
- OpenCV 3.0.0-dev documentation »
- OpenCV API Reference »

# flann. Clustering and Search in Multi-Dimensional Spaces

- Fast Approximate Nearest Neighbor Search
  - flann::Index_
  - flann::Index_<T>::Index_
  - flann::Index_<T>::knnSearch
  - flann::Index_<T>::radiusSearch
  - flann::Index_<T>::save
  - flann::Index_<T>::getIndexParameters
- Clustering
  - flann::hierarchicalClustering<Distance>

## Help and Feedback

You did not find what you were looking for?

- Ask a question on the Q&A forum.
- If you think something is missing or wrong in the documentation, please file a bug report.

### Navigation

- index
- next |
- previous |
- OpenCV 3.0.0-dev documentation »
- OpenCV API Reference »