FLANN is a library for performing fast approximate nearest neighbor searches in high dimensional spaces. It contains a collection of algorithms we found to work best for nearest neighbor search and a system for automatically choosing the best algorithm and optimum parameters depending on the dataset.
The latest version of FLANN is written in C++ and contains bindings for Python and MATLAB.
In our experiments we have found FLANN to be about one order of magnitude faster on many datasets(in query time), than previously available approximate nearest neighbor search software.
- Changes to previous version:
See project page for changes.
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