@article{alargescaledatasetforbenchmarking,
  title = {A Large-Scale Dataset for Benchmarking Elevator Button Segmentation and Character Recognition},
  author = {Jianbang Liu and Yuqi Fang and Delong Zhu and Nachuan Ma and Jin Pan and Max Q. -H. Meng},
  year = {2021},
  eprint = {2103.09030},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.09030v2},
}