Denoising Method for MRI Images Using Modified BM3D Filter with Complex Network and Artificial Neural Networks

Table 4

PSNR comparison with other previous studies.

Paper	Denoise method	Noise	PSNR
Chang et al. 2019 [8]	Bilateral filter + proposed model	Gauss 1%	39.29
Sreelakshmi et al. 2021 [11]	Adaptive median filter and CNN	Gauss 50%	48.68
Wang et al. 2022 [12]	Nonlocal structural similarity and low-rank sparse representation	Rician 4%	38.503
Mehta et al. 2022 [13]	U-NET architecture	Gauss 25%	30.96
Kollem et al. 2023 [14]	Diffusivity function	—	42.78
This paper	BM3D + proposed model	Gauss 50%	51.83