Table 3 Signal to Noise Ratio (SNR) of Images (device in 200 mT line)
Description of the Test | Mean of SNR ± SD |
|---|---|
Control (no device) | 145.46 ± 1.02 |
ERF Resistive Element | 144.66 ± 1.48 |
Handles | 145.43 ± 1.33 |
Handles and ERF Resistive Element | 144.70 ± 0.93 |
Handles and Encoder | 145.33 ± 0.74 |
Force sensor | 144.90 ± 0.85 |
ERF hand device | 144.65 ± 0.78 |
ERF hand device, actuated at 0.8 kV | 144.53 ± 0.81 |
ERF hand device, actuated at 2 kV | 144.40 ± 1.12 |