Multi-Inertial Sensor-Based Arm 3D Motion Tracking Using Elman Neural Network

Table 3

Errors on the three axes of proposed and traditional methods.

	Zhu	Yun	Young	Bleser	Proposed
-axis
Mean	38.7	54.7	40.8	45.6	24.3
Median	31.7	49.7	31.1	39.0	18.9
Maximum	128.1	148.4	136.2	156.1	114.4
-axis
Mean	88.3	50.0	83.2	39.2	19.7
Median	90.5	45.3	89.0	34.4	17.4
Maximum	237.5	188.7	206.7	187.7	65.5
-axis
Mean	17.8	75.3	13.5	39.1	50.3
Median	13.7	60.8	9.0	31.6	30.7
Maximum	85.3	267.3	69.4	157.8	220.4

The italicized values highlight the models that perform best.