@article{foregroundbackgroundimbalanceproblemin,
  title = {Foreground-Background Imbalance Problem in Deep Object Detectors: A Review},
  author = {Joya Chen and Qi Wu and Dong Liu and Tong Xu},
  year = {2020},
  eprint = {2006.09238},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.09238v1},
}