@article{ug2track2acollectivebenchmarkeffortfor,
  title = {UG$^{2+}$ Track 2: A Collective Benchmark Effort for Evaluating and Advancing Image Understanding in Poor Visibility Environments},
  author = {Ye Yuan and Wenhan Yang and Wenqi Ren and Jiaying Liu and Walter J. Scheirer and Zhangyang Wang},
  year = {2019},
  eprint = {1904.04474},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1904.04474v4},
}