The source codes has been released, will make it clear for those who are not familiar with deep learning and encoder-decoder models:

The data will be released after it is prepared:

• Tree Decoder: A Tree-Structured Decoder for Image-to-Markup Generation
  

If you find Tree Decoder useful in your research, please consider citing:

@inproceedings{zhang2020treedecoder,
  title={A Tree-Structured Decoder for Image-to-Markup Generation},
  author={Zhang, Jianshu and Du, Jun and Yang, Yongxin and Song, Yi-Zhe and Wei, Si and Dai, Lirong},
  booktitle={ICML},
  pages={In Press},
  year={2020}
}