@inproceedings{AAMAS'21:HashReward,
    author = {Xin-Qiang Cai and
                    Yao-Xiang Ding and
                    Yuan Jiang and
                    Zhi-Hua Zhou},
    title = {Imitation Learning from Pixel-Level Demonstrations by HashReward},
    booktitle = {Proceedings of the 20th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS)},
    year = {2021},
    pages = {To appear}
}