Total recall II: Query expansion revisited

@article{Chum2011TotalRI,
  title={Total recall II: Query expansion revisited},
  author={Ondrej Chum and Andrej Mikul{\'i}k and Michal Perdoch and Jiri Matas},
  journal={CVPR 2011},
  year={2011},
  pages={889-896}
}
Most effective particular object and image retrieval approaches are based on the bag-of-words (BoW) model. All state-of-the-art retrieval results have been achieved by methods that include a query expansion that brings a significant boost in performance. We introduce three extensions to automatic query expansion: (i) a method capable of preventing tf-idf failure caused by the presence of sets of correlated features (confusers), (ii) an improved spatial verification and re-ranking step that… CONTINUE READING
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