@article{contrastivequantizationwithcodememoryfor,
  title = {Contrastive Quantization with Code Memory for Unsupervised Image Retrieval},
  author = {Jinpeng Wang and Ziyun Zeng and Bin Chen and Tao Dai and Shu-Tao Xia},
  year = {2021},
  eprint = {2109.05205},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.05205v2},
}