KILVO: robust multimodal odometry for humanoid robots fusing encoders, IMU, LiDAR and vision

rsasaki0109 · x · 2026-10-14

KILVO (Kinematic-Inertial-LiDAR-Visual Odometry) is a robust multimodal odometry framework for humanoid robots that fully exploits the sensors they commonly carry: joint encoders, IMU, LiDAR, and camera. It uses an asynchronous-sequential hybrid ESIKF — inertial data for prediction, leg kinematics processed asynchronously at 1kHz, exteroception updated sequentially at 10Hz — plus a compact contact estimation module with bipedal contact detection, a hash-indexed voxel map, and multimodal adaptation (KILVO/KI/LIV/LI modes) to survive sensor failures and degradation.

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