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Table 1 Specifications of filters used for comparison

From: A 3D MRI denoising algorithm based on Bayesian theory

Method

Experiment

Anisotropic diffusion

\(n_{Iter}=4,~ \Delta _t=3/44,~k=70,~ c= 1/[1 + ( \ \nabla _I k)^2]\)

3D bilateral

\(\sigma _{x,y}=5,~ \sigma _z=5,~ \sigma _R=15,~ sam_S=5,~ sam_R=15\)

LMMSE

Window size = \(7 \times 7\)

BM3D

\(\sigma _{noise}\) has been provided