@INPROCEEDINGS{8803418,
  author={Wang, Yongzhuang and Shen, Yangmei and Xiong, Hongkai and Lin, Weiyao},
  booktitle={2019 IEEE International Conference on Image Processing (ICIP)}, 
  title={Adaptive Hard Example Mining for Image Captioning}, 
  year={2019},
  volume={},
  number={},
  pages={3342-3346},
  doi={10.1109/ICIP.2019.8803418}}