This repository contains code for the Image Similarity Challenge 2021.

The docs subdirectory has step-by-step instructions on how to reproduce the baseline results from the paper.

Update (2022-02-08): The data is publicly available at: https://sites.google.com/view/isc2021/dataset

The competition is described in this paper: https://arxiv.org/abs/2106.09672

BibTeX reference:

@ARTICLE{ISC2021,
       author = {
       Matthijs Douze and Giorgos Tolias and Zo\"e Papakipos and Ed Pizzi and 
       Lowik Chanussot and Filip Radenovic and Tomas Jenicek and 
       Maxim Maximov and Laura Leal-Taix\'e and Ismail Elezi and 
       Ondřej Chum and Cristian Canton Ferrer       
       },
        title = "{The 2021 Image Similarity Dataset and Challenge}",
      journal = {arXiv e-prints},
         year = "2021",
}

See the CONTRIBUTING file for how to help out.

ISC2021 is CC BY-NC 4.0 licensed, as found in the LICENSE file.

The majority of ISC2021 is licensed under CC-BY-NC, however portions of the project are available under separate license terms: lear_gist1.2 is licensed under the PSF license.