Table 1.
MSE result of Ventricular arrhythmia ECG of four filter methods with four noises. Minimum MSE of the same noise are mark bold.
| Noise type | Noise percentage | IIR | Wiener | EMD (IMF level) | EEMD (IMF level) |
|---|---|---|---|---|---|
| EMG (* E-3) | 25 % | 4.1 | 4.0 | 2.8 (k = 3) | 1.8 (k = 4) |
| 50% | 6.6 | 12.3 | 11.1 (k = 4) | 4.6 (k = 4) | |
| 100% | 18.1 | 34.4 | 24.6 (k = 4) | 18.1 (k = 4) | |
| 50 Hz (* E-3) | 25 % | 3.3 | 1.0 | 7.2 (k = 2) | 2.0 (k = 4) |
| 50% | 3.8 | 3.0 | 11.9 (k = 4) | 3.0 (k = 4) | |
| 100% | 5.7 | 9.4 | 10.7 (k = 4) | 5.1 (k = 4) | |
| Baseline (* E-2) | 25 % | 49.5 | 10.1 | 3.0 (q = 5) | 2.3 (q = 9) |
| 50% | 49.7 | 18.4 | 8.5 (q = 5) | 4.8 (q = 8) | |
| 100% | 50.5 | 30.4 | 7.4 (q = 4) | 5.7 (q = 8) | |
| Composite (* E-2) | 25 % | 52.6 | 10.3 | 8.5 (k = 3, q = 8) | 2.3 (k = 4, q = 9) |
| 50% | 52.8 | 18.8 | 5.5 (k = 3, q = 8) | 5.0 (k = 4, q = 8) | |
| 100% | 54.2 | 31.7 | 19.5 (k = 4, q = 7) | 6.6 (k = 4, q = 8) | |
| “em”(* E-2) | 100% | 49.1 | 19.6 | 19.3 (k = 1, q = 5) | 16.3 (k = 4, q = 7) |
| “ma” (* E-2) | 100% | 36.1 | 10.7 | 13.3 (k = 3, q = 7) | 8.5 (k = 5, q = 9) |
| “bw” (* E-2) | 100 % | 23.1 | 6.9 | 2.7 (k = 1, q = 7) | 1.5 (k = 4, q = 9) |