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Table 3 Differences between the IMU KF and Kinect estimates during lab and at-home tests for each of the three subjects analyzed

From: Kinect and wearable inertial sensors for motor rehabilitation programs at home: state of the art and an experimental comparison

 Trunk Sag.Trunk Front.Hip Sag.Hip Front.Knee Flex.Mean
RMSDStd.MaxRMSDStd.MaxRMSDStd.MaxRMSDStd.MaxRMSDStd.MaxRMSDStd.Max
S1
Lab2.30.614.56.44.726.95.32.149.24.90.846.17.31.275.55.31.942.4
Home2.01.211.25.23.027.38.34.641.713.66.156.315.87.581.79.04.543.6
S2
Lab2.60.815.84.42.625.95.91.729.25.90.735.78.31.572.05.41.535.7
Home1.90.76.55.33.613.812.54.441.88.84.330.014.14.347.58.53.527.9
S3
Lab3.20.912.14.61.314.28.84.829.36.71.718.75.31.624.65.72.119.8
Home2.30.48.53.90.69.45.52.320.45.94.021.615.14.840.76.52.420.1
All
Lab2.90.914.45.32.722.16.42.733.95.71.231.57.11.754.75.51.831.3
Home2.10.78.74.82.416.88.83.834.69.44.836.015.05.556.68.03.530.6
  1. Root Mean Square Difference (RMSD), standard deviation and maximum difference between the two systems are reported. Unit is degree