Skip to content

Repository files navigation

LegBiCal: Estimation & Calibration for Legged Robots

Reference implementations for Simultaneous Calibration of Noise Covariance and Kinematics for State Estimation of Legged Robots via Bi-level Optimization (arXiv:2510.11539).

Explore the calibrated G1 PRIME visualization.

Implementations

Directory Estimator and calibration path
cuda/ Batched Torch CPU/CUDA covariance calibration for a contact-aided InEKF
prime/ Contact-aware PRIME FDDP implementations for STRIDE and Unitree G1
matlab/ Stage-structured Fatrop FIE with covariance and kinematic calibration
python/ Hardware-oriented B1 FIE with sparse-adjoint bilevel calibration

Each implementation is self-contained; see its README.

About

Covariance and kinematic calibration for legged robot state estimation

Resources

Stars

8 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages