Huai, Jianzhu, Yukai Lin, Yuan Zhuang, and Min Shi. “Consistent Right-Invariant Fixed-Lag Smoother With Application to Visual Inertial SLAM”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 7 (May 18, 2021): 6084-6092. Accessed April 19, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/16758.