Ding, Chongyang, Kai Liu, Jari Korhonen, and Evgeny Belyaev. “Spatio-Temporal Difference Descriptor for Skeleton-Based Action Recognition”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 2 (May 18, 2021): 1227-1235. Accessed March 28, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/16210.