PyPose: A Library for Robot Learning with Physics-based Optimization

Wang, Chen, Gao, Dasong, Xu, Kuan, Geng, Junyi, Hu, Yaoyu, Qiu, Yuheng, Li, Bowen, Yang, Fan, Moon, Brady, Pandey, Abhinav, Aryan, null, Xu, Jiahe, Wu, Tianhao, He, Haonan, Huang, Daning, Ren, Zhongqiang, Zhao, Shibo, Fu, Taimeng, Reddy, Pranay, Lin, Xiao, Wang, Wenshan, Shi, Jingnan, Talak, Rajat, Cao, Kun, Du, Yi, Wang, Han, Yu, Huai, Wang, Shanzhao, Chen, Siyu, Kashyap, Ananth, Bandaru, Rohan, Dantu, Karthik, Wu, Jiajun, Xie, Lihua, Carlone, Luca, Hutter, Marco, Scherer, Sebastian

arXiv.org Artificial Intelligence 

Deep learning has had remarkable success in robotic perception, but its data-centric nature suffers when it comes to generalizing to ever-changing environments. By contrast, physics-based optimization generalizes better, but it does not perform as well in complicated tasks due to the lack of high-level semantic information and reliance on manual parametric tuning. To take advantage of these two complementary worlds, we present PyPose: a robotics-oriented, PyTorch-based library that combines deep perceptual models with physics-based optimization. PyPose's architecture is tidy and well-organized, it has an imperative style interface and is efficient and user-friendly, making it easy to integrate into real-world robotic applications. Besides, it supports parallel computing of any order gradients of Lie groups and Lie algebras and $2^{\text{nd}}$-order optimizers, such as trust region methods. Experiments show that PyPose achieves more than $10\times$ speedup in computation compared to the state-of-the-art libraries. To boost future research, we provide concrete examples for several fields of robot learning, including SLAM, planning, control, and inertial navigation.

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