ResearchBenchmarks3D Joint Position Estimation on Motion II Elbow flexion-extension 1 (long-duration occlusion)Follow1.02RMSE (X)COIK0.9641.3421.722.098Jun 17, 2026Evaluation ResultsMethodMethodLinksRMSE (X)RMSE (Y)RMSE (Z)COIK2026.061.021.685.11KF2026.062.271.38122.91Raw2026.062.31.4128.54AKC2026.062.423.435.23