lopq. Training of Locally Optimized Product Quantization (LOPQ) models for approximate nearest neighbor search of high dimensional data in Python and Spark.
nns_benchmark. Benchmark of Nearest Neighbor Search on High Dimensional Data.
Videntifier is a visual search engine based on a patented large-scale local feature database, demo, based on SIFT feature and NV-tree. (Chinese blog post).
Holidays, Holidays consists images from personal holiday albums of various scene types.
Oxford, Oxford consists of 11 different Oxford landmarks.
Paris, Paris consists of images crawled from 11 queries on specific Paris architecture.
ROxford and RParis, ROxford and RParis are revisited versions of the original Oxford and Paris with annotation corrections, enlarged sizes and more difficult samples.
INSTRE, INSTRE is an instance-level object retrieval dataset.