Magnetic Resonance Image Denoising Algorithm Based on Cartoon, Texture, and Residual Parts

Table 2

Denoising results of MRI 2 in different ways.

Results	MSE of MRI 2					PSNR of MRI 2
Noise variance	0.01	0.03	0.05	0.07	0.09	0.01	0.03	0.05	0.07	0.09
Wiener filter	87	254	417	566	701	28.76	24.09	21.93	20.6	19.67
Hard threshold	233	308	397	493	586	24.46	23.25	22.14	21.2	20.45
Soft threshold	132	319	1682	436	2591	26.91	23.09	15.75	21.73	13.88
Proposed	68	167	272	388	501	29.79	25.92	23.78	22.24	21.13