@article{learningcrispedgedetectorusinglogical,
  title = {Learning Crisp Edge Detector Using Logical Refinement Network},
  author = {Luyan Liu and Kai Ma and Yefeng Zheng},
  year = {2020},
  eprint = {2007.12449},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.12449v1},
}