Fig. 3

Comparison results between different methods. (a–d) Denoising results (top subfigures) and removed noise (bottom subfigures) of WT (− 1.07 dB), BPF (3.99 dB), DnCNN (7.17 dB), cycle-GAN (7.89 dB) and MFIEN (10.05 dB), respectively.
Comparison results between different methods. (a–d) Denoising results (top subfigures) and removed noise (bottom subfigures) of WT (− 1.07 dB), BPF (3.99 dB), DnCNN (7.17 dB), cycle-GAN (7.89 dB) and MFIEN (10.05 dB), respectively.