Table 1.
Non-exhaustive compilation of myoelectric signal features employed in pattern recognition for prosthetic control
| |
Publication references |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [6,14,17-25] | [26] | [27] | [7] | [5,28] | [29] | [30] | [31] | [32] | [33] | [34,35] | [36] | [37] | [38] | BioPatRec* | |
| Mean absolute value |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
|
|
|
x |
| Zero crossing |
x |
x |
x |
x |
x |
x |
x |
|
|
|
|
|
|
|
x |
| Slope sign changes |
x |
x |
|
x |
x |
x |
x |
|
|
|
|
|
|
|
x |
| Waveform length |
x |
x |
x |
x |
x |
x |
x |
x |
|
x |
|
|
|
|
x |
| Mean abs. value slope |
|
x |
x |
|
|
|
|
|
|
|
|
|
|
|
x |
| Root-mean square |
|
|
|
x |
x |
x |
|
x |
x |
|
|
x |
|
|
x |
| Variance |
|
|
|
x |
|
|
|
x |
|
|
|
|
|
|
x |
| William amplitude |
|
|
|
x |
|
|
|
|
|
|
|
|
|
|
|
| Wavelet transf. |
|
|
x |
|
|
|
|
|
|
|
|
|
|
|
|
| Wavelet packet transf. |
|
|
x |
|
|
|
|
|
|
|
|
|
|
|
|
| Fourier transf. |
|
|
x |
|
|
|
|
|
|
|
|
|
|
|
x |
| Autoregression coeff. |
|
|
|
|
x |
|
x |
|
|
|
|
|
|
|
|
| Integral abs. value |
|
|
|
|
|
x |
|
|
|
|
|
|
|
|
|
| Sample skewness |
|
|
|
|
|
x |
|
|
|
|
|
|
|
|
|
| Fractal dimension |
|
|
|
|
|
|
|
x |
|
|
|
|
|
|
x |
| Max. fractal length |
|
|
|
|
|
|
|
x |
|
|
|
|
|
|
x |
| Quadratic polynomials |
|
|
|
|
|
|
|
|
|
|
|
|
x |
|
|
| Rough Entropy | x | x | |||||||||||||
* Non-exhaustive list of features included in the “ETT” release. See the online project for all features [15].