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Xianmei Lei


4800 Oak Grove Drive

Pasadena, CA 91109

Member of:

347R - Robot Ops and V&V

Xianmei Lei

Robotics Systems Engineer


Xianmei Lei is a robotics system engineer in the Robot Ops and V&V group (347R). She works on the Mars 2020 Perseverance Rover as a Mobility and Arm downlink operator. Except for the flight mission roles, she does research on robotic autonomy, focusing on object detection and terrain classification.


M.S. Computer Science, California State Polytechnic University, 2020

Research Interests

Robotic Operation and Testing, Robotic perception, Deep learning


  1. J. Blank, B. Morrell, T. Kim, M. Saboia, S. Moon, X. Lei, M. Kaufmann, C. Patterson, J. Uribe, P. Dobson, R. Kirby, R. Sleater, B. Bieler, and A. Agha-mohammadi, "Testing Operational Designs for a Future Robotic Mission to a Martian Lava Tube," 2023 International Astronautical Congress (IAC), Baku, Azerbaijan, 01 October 2023.
  1. X. Lei, T. Kim, N. Marchal, D. Pastor, B. Ridge, F. Scholler, E. Terry, F. Chavez, T. Touma, K. Otsu, B. Morrell, A. Agha-mohammadi, "Early Recall, Late Precision: Multi-Robot Semantic Object Mapping under Operational Constraints in Perceptually-Degraded Environments," 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Kyoto, Japan, pp. 2017-2024, 23 October 2022.
  1. Ali-akbar Agha-mohammadi, et al., "NeBula: Quest for Robotic Autonomy in Challenging Environments; TEAM CoSTAR at the DARPA Subterranean Challenge," Journal of Field Robotics, 21 March 2021.