Denoising Method Based on Spectral Subtraction in Time-Frequency Domain

Figure 7

Denoising results of the sigmoid model with Gaussian white noise (S/R = 0 dB). (a) Original seismic record. (b) Noisy seismic record. (c) Denoising by SS. (d) Noise removed by SS. (e) Denoised by TF-SS. (f) Noise removed by TF-SS.

(a)

(b)

(c)

(d)

(e)

(f)