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Counterintuitively, a single off-the-shelf earbud IMU tracks 3D lower-body kinematics at 79 mm error, whereas adding commercial insole sensors actually degrades pose reconstruction due to orientation noise.
More wearable sensors don't guarantee better motion capture: firmware-fused foot orientation actively destroys kinematic accuracy unless deep networks learn to dynamically gate reliability at the individual channel level.
Get continuous level-of-detail rendering in 3D Gaussian Splatting without sacrificing top-end quality – no architectural changes needed.
