Xu, Chenxin, Siheng Chen, Maosen Li, and Ya Zhang. 2021. “Invariant Teacher and Equivariant Student for Unsupervised 3D Human Pose Estimation”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (4):3013-21. https://doi.org/10.1609/aaai.v35i4.16409.