Table 2 Denoising effect of thresholding algorithms on Heavysine signals
From: An improved wavelet threshold denoising approach for surface electromyography signal
Denoising function | Quantitative metrics | |
|---|---|---|
SNR | MSE | |
Hard threshold(sqtwolog) | 24.1347 | 0.0368 |
Soft threshold(sqtwolog) | 23.9735 | 0.0381 |
Hard threshold(rigrsure) | 18.3669 | 0.1368 |
Soft threshold(rigrsure) | 23.2683 | 0.0449 |
Hard threshold(heursure) | 23.0693 | 0.047 |
Soft threshold(heursure) | 24.5043 | 0.0338 |
Hard threshold(minimaxi) | 19.3135 | 0.1115 |
Soft threshold(minimaxi) | 24.4135 | 0.0344 |
Garrote threshold | 24.6503 | 0.0326 |
Improved threshold | 25.4245 | 0.0273 |