TABLE I.
Comparison of wearable motion capture systems that compute real-time kinematics
| System | Number of sensors (N) | Computation frequency (Hz) | IMU | Cost (USD) | Validated kinematics (Y/N) | Portable Computation (Y/N) | Open-source (Y/N) | Battery life (hours) |
|---|---|---|---|---|---|---|---|---|
| OpenSenseRT | 1–14 | 90–8 | ISM330DHC | 100+20*N | Y | Y | Y | 6.5 |
| Kong, et al. [4] | 6 (legs) | 200 | Custom | N/A | N | N | N | N/A |
| Zhou, et al. [12] | 3 (arm) | 100 | Xsens M1b-9 | N/A | Y | N | N | N/A |
| Xsens MVN Software [13] | 1–15 | 60 | Xsens MTw Awinda | 32,000+ | Y | N | N | 6–8 |
| Maruyama, et al. [14] | 6 (legs) | 60 | Xsens MTw Awinda | 12,000+ | Y | N | N | 6–8 |
| Pedalvatar [5] | 12 | 50 | Custom | Laptop+100*N | N | N | N | N/A |
| Miller, et al. [15] | 2 (arm) | N/A | Custom | 700 | N | N | N | N/A |
| Andrews, et al. [16] | 15 | 60 | Custom | N/A | Y | N | N | N/A |
| Raghavendra, et al. [17] | 3 (arm) | 250 | Custom | Laptop+100+55*N | N | N | N | N/A |
| Zhang, et al. [18] | 1–15 | 50 | Custom | N/A | Y | N | N | N/A |
| Sy, et al. [19] | 6 (legs) | 100 | Xsens Awinda Mtx | 12,000+ | Y | N | Y | 6–8 |