Exploiting Performance of Different Low-Cost Sensors for Small Amplitude Oscillatory Motion Monitoring: Preliminary Comparisons in View of Possible Integration

Table 4

Accuracy (RMSE), noise (standard deviation), and bias (mean) in test with 0.03 m amplitude.

		[m/s^2]				m/s				m
		RMSE	Mean	STD		RMSE	Mean	STD		RMSE	Mean	STD
	MEMS	0.052	−0.006	0.052	0.94	0.007	0.002	0.007	0.96	0.0004	0.0002	0.0004	0.98
	Kinect v2	0.517	0.000	0.517	0.94	0.019	0.003	0.019	0.99	0.0012	0.0000	0.0012	1.00
	uBlox	0.755	0.222	0.722	0.88	0.046	0.002	0.046	0.93	0.0079	−0.0010	0.0078	0.98
	MEMS	0.123	−0.007	0.123	0.98	0.009	−0.002	0.008	0.98	0.0007	−0.0004	0.0005	0.99
	Kinect v2	0.619	0.018	0.619	0.96	0.021	0.002	0.020	0.99	0.0037	−0.0003	0.0037	0.93
	MEMS	0.083	−0.007	0.083	0.98	0.009	−0.001	0.009	0.99	0.0005	−0.0003	0.0004	0.98
	Kinect v2	0.758	−0.002	0.758	0.96	0.025	−0.001	0.025	0.99	0.0011	0.0001	0.0011	0.99
	MEMS	0.432	−0.016	0.432	0.98	0.023	−0.004	0.022	0.92	0.0014	−0.0001	0.0014	0.96
	Kinect v2	2.569	0.980	2.375	0.82	0.071	0.032	0.064	0.94	0.0049	−0.0015	0.0047	0.24