Table 2.

Peak Signal to Noise Ratio (PSNR) for three different imaging modes (T1 and PD) at different levels of noise for different methods

Methods/Noise (dB,%)	(15, 3)	(12, 6)	(10, 10)	(6, 15)	(3, 20)	(1 ,25)	(15, 3)	(12, 6)	(10, 10)	(6, 15)	(3, 20)	(1 ,25)
	T1-Weighted						PD-Weighted
Noisy	38.47	28.22	22.24	18.90	17.25	16.53	38.21	28.74	22.60	20.27	18.22	16.92
ONLM	44.98	37.17	35.53	33.31	30.16	24.99	42.70	37.16	33.16	34.10	30.55	28.26
AONLM	43.23	35.54	30.13	25.85	23.12	20.06	41.79	35.94	30.10	27.64	23.09	20.37
PRINLM	45.88	39.86	35.99	33.35	29.60	23.88	45.83	38.86	35.86	30.49	31.66	31.08
MRNLM	44.85	37.32	34.95	33.11	30.36	25.04	42.10	36.69	32.62	34.00	29.46	26.84
DnCNN	41.02	33.38	29.90	27.19	25.00	22.66	35.70	33.27	28.40	27.33	25.25	23.71
DIP	45.24	37.59	32.23	28.45	25.98	23.55	45.19	37.77	30.35	29.14	26.52	24.55
RED-WGAN	44.60	38.70	33.68	29.19	25.48	23.56	38.92	37.74	34.66	30.07	26.97	23.87
GenMRIDenoiser	47.09	41.21	37.12	34.09	32.28	30.03	46.61	39.50	35.72	33.66	31.13	28.80