| 2D | Two-dimensional |
| EMG | Electromyography |
| HD-EMG | High-density electromyography |
| LDOF | Local distance-based outlier factor |
| MAV | Mean absolute value |
| NMI | Normalized mutual information |
| PRD | Percent residual difference |
| RMS | Root mean square |
| SNR | Signal-to-noise ratio |
| WGN | White Gaussian noise |