Table 3.
Effect of noise and smoothing area on strain calculation for simulated data at maximum contraction.
| Shear | Normal | |||||
|---|---|---|---|---|---|---|
| Noise (σ/max displacement) | RL | LC | RR | LL | CC | |
| Relative RMS Error in E (smoothing area = 25 mm2) | 0 | 34.6% | 13.8% | 6.8% | 13.8% | 18.5% |
| 0.01 | 34.6% | 15.7% | 8.1% | 14.1% | 21.6% | |
| 0.02 | 36.1% | 25.5% | 10.9% | 15.9% | 27.1% | |
| 0.03 | 36.0% | 32.6% | 13.3% | 19.0% | 37.0% | |
| 0.05 | 45.9% | 46.9% | 21.4% | 23.2% | 61.0% | |
| Relative RMS Error in E (smoothing area = 15 mm2) | 0 | 27.4% | 14.4% | 5.7% | 9.4% | 12.2% |
| 0.01 | 28.0% | 21.2% | 8.0% | 10.3% | 17.0% | |
| 0.02 | 30.9% | 30.7% | 11.1% | 14.0% | 28.6% | |
| 0.03 | 34.2% | 42.0% | 15.3% | 21.1% | 46.8% | |
| 0.05 | 46.4% | 64.7% | 24.7% | 28.2% | 66.3% | |