TABLE III. Crosscorrelation and Pearson Coefficients in Different Points of Interest Calculated on SimEMG, MIT-BIH-EMG and Synth Databases.
| SNRIN | XCORR/std | Pearson coefficient in P point | Pearson coefficient in R point | Pearson coefficient in J point | Pearson coefficient in T point | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| [dB] | IRM | AWWF | IRM | AWWF | IRM | AWWF | IRM | AWWF | IRM | AWWF | |
| SimEMG | <4 | 96.6/ 3 | 95.6/ 3.2 | 0.47/ 0.2 | 0.36/ 0.2 | 0.53/ 0.2 | 0.5/ 0.2 | 0.11/ 0.3 | 0.11/ 0.2 | 0.17/ 0.2 | 0.12/ 0.2 |
| 4-8 | 98.6/ 1 | 98.2/ 1 | 0.27/ 0.5 | 0.26/ 0.4 | 0.68/ 0.2 | 0.5/ 0.2 | 0.28/ 0.3 | 0.26/ 0.3 | 0.34/ 0.2 | 0.33/ 0.3 | |
| 8-12 | 98.9/ 0.9 | 98.7/ 0.9 | 0.44/ 0.4 | 0.32/ 0.4 | 0.72/ 0.2 | 0.7/ 0.1 | 0.26/ 0.3 | 0.19/ 0.3 | 0.38/ 0.3 | 0.32/ 0.2 | |
| 12-16 | 99.3/ 0.5 | 99.3/ 0.4 | 0.25/ 0.5 | 0.27/ 0.5 | 0.79/ 0.1 | 0.8/ 0.1 | 0.24/ 0.3 | 0.26/ 0.2 | 0.37/ 0.2 | 0.37/ 0.2 | |
| 16-20 | 99.6/ 0.2 | 99.6/ 0.2 | 0.26/ 0.5 | 0.26/ 0.4 | 0.84/ 0.1 | 0.84/ 0.1 | 0.48/ 0.2 | 0.35/ 0.2 | 0.52/ 0.2 | 0.46/ 0.2 | |
| >20 | 99.7/ 0 | 99.8/ 0 | 0/ 0.3 | 0/ 0.4 | 0.91/ 0 | 0.87/ 0 | 0.64/ 0 | 0.36/ 0 | 0.55/ 0 | 0.5/ 0 | |
| average | 98.3/ 2.1 | 97.9/ 2.4 | 0.39/ 0.4 | 0.32/ 0.4 | 0.68/ 0.2 | 0.64/ 0.2 | 0.23/ 0.3 | 0.21/ 0.3 | 0.32/ 0.3 | 0.28/ 0.2 | |
| MIT-BIH-EMG | <4 | - | - | ||||||||
| 4-8 | 98/ 0.6 | 97.8/ 0.4 | 0.75/ 0.3 | 0.72/ 0.3 | 0.9/ 0.1 | 0.88/ 0.1 | 0.52/ 0.3 | 0.42/ 0.4 | 0.83/ 0.2 | 0.81/ 0.3 | |
| 8-12 | 99.2/ 0.3 | 98.7/ 0.4 | 0.67/ 0.3 | 0.63/ 0.3 | 0.8/ 0.2 | 0.84/ 0.2 | 0.48/ 0.3 | 0.39/ 0.3 | 0.74/ 0.2 | 0.65/ 0.3 | |
| 12-16 | 99.6/ 0.3 | 99.4/ 0.2 | 0.72/ 0.2 | 0.61/ 0.3 | 0.71/ 0.3 | 0.87/ 0.1 | 0.53/ 0.3 | 0.41/ 0.3 | 0.75/ 0.2 | 0.64/ 0.3 | |
| 16-20 | 99.7/ 0.3 | 99.7/ 0.1 | 0.9/ 0.1 | 0.86/ 0.1 | 0.88/ 0.2 | 0.95/ 0.1 | 0.65/ 0.4 | 0.63/ 0.3 | 0.88/ 0.1 | 0.81/ 0.2 | |
| >20 | 99.8/ 0 | 99.9/ 0 | 0.93/ 0 | 0.86/ 0.1 | 0.96/ 0 | 0.98/ 0 | 0.86/ 0 | 0.83/ 0.1 | 0.87/ 0 | 0.77/ 0 | |
| average | 99.3/ 0.6 | 99/ 0.6 | 0.72/ 0.3 | 0.65/ 0.3 | 0.79/ 0.2 | 0.86/ 0.1 | 0.52/ 0.3 | 0.42/ 0.3 | 0.77/ 0.2 | 0.67/ 0.3 | |
| Synth | <4 | 94.2/ 3 | 95.6/ 1.6 | 0.19/ 0.6 | 0.57/ 0.3 | 0.53/ 0.3 | 0.55/ 0.3 | 0.55/ 0.3 | 0.55/ 0.3 | 0.53/ 0.4 | 0.53/ 0.3 |
| 4-8 | 98.2/ 0.9 | 98/ 0.5 | 0.39/ 0.5 | 0.6/ 0.3 | 0.44/ 0.3 | 0.41/ 0.3 | 0.5/ 0.3 | 0.43/ 0.3 | 0.38/ 0.3 | 0.37/ 0.3 | |
| 8-12 | 99.2/ 0.4 | 98.8/ 0.3 | 0.3/ 0.7 | 0.63/ 0.3 | 0.49/ 0.3 | 0.39/ 0.2 | 0.56/ 0.3 | 0.4/ 0.3 | 0.45/ 0.3 | 0.36/ 0.3 | |
| 12-16 | 99.7/ 0.1 | 99.4/ 0.2 | 0.47/ 0.7 | 0.75/ 0.3 | 0.61/ 0.3 | 0.47/ 0.2 | 0.76/ 0.2 | 0.56/ 0.3 | 0.49/ 0.3 | 0.17/ 0.3 | |
| 16-20 | 99.9/ 0 | 99.8/ 0 | 0.66/ 0.3 | 0.58/ 0.4 | 0.97/ 0 | 0.83/ 0.1 | 0.86/ 0.1 | 0.84/ 0.1 | 0.83/ 0.1 | 0.77/ 0.1 | |
| >20 | |||||||||||
| average | 97.6/ 2.4 | 97.7/ 1.4 | 0.34/ 0.6 | 0.6/ 0.3 | 0.48/ 0.3 | 0.44/ 0.3 | 0.53/ 0.3 | 0.46/ 0.3 | 0.43/ 0.3 | 0.4/ 0.3 | |
SNRIN- SNR of input signals; XCORR- crosscorrelation applied between noise-free and filtered signal. Bolded values indicate that there is statistical significance between the IRM and AWWF methods.