Zhang, Shengping, Shiva Kasiviswanathan, Pong Yuen, and Mehrtash Harandi. “Online Dictionary Learning on Symmetric Positive Definite Manifolds With Vision Applications”. Proceedings of the AAAI Conference on Artificial Intelligence 29, no. 1 (February 21, 2015). Accessed April 25, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/9595.