What is it?
This software library implements the composite quantization algorithm described in
Composite Quantization for approximate nearest neighbor search. Ting Zhang, Chao Du and Jingdong Wang. In International Conference on Machine Learning (ICML), 2014.
If you use this software for research purposes, please cite the aforementioned paper in any resulting publication.
The latest version
Version 1.0 (2015-01-28): Initial release.
See HOW_TO_TRAINING.txt and HOW_TO_SEARCH.txt.
See demo.cpp and config.txt in the source code.
Product quantization: http://people.rennes.inria.fr/Herve.Jegou/projects/ann.html