Table 2 Quantitative evaluation of the charge–discharge-like noise processing
From: Improved shift-invariant sparse coding for noise attenuation of magnetotelluric data
| Â | NCC | E | SNR (dB) | T (s) |
|---|---|---|---|---|
Before processing | 0.0108 | 57.0588 | − 35.1264 | / |
PSO-PD | 0.8254 | 0.5660 | 4.9437 | 440.2 |
ISISC | 0.9827 | 0.1849 | 14.6597 | 1.2 |