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. 2020 Oct 7;25(10):106001. doi: 10.1117/1.JBO.25.10.106001

Fig. 3.

Fig. 3

Comparison of three different denoising methods: wavelet-based signal denoising, the averaging method using 20 frames, and LPFSC in terms of PSNR improvements at five different noise levels. The results clearly demonstrate the superior performance of LPFSC compared to wavelet and averaging.