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Table 3 MAE values for various Rician noise levels

From: Rician nonlocal means denoising for MR images using nonparametric principal component analysis

 

σ= 10

σ = 20

σ = 30

σ = 40

Brain mage

    

NLM

4.42

9.03

14.62

21.04

PCA-NLM

4.40

9.07

14.09

20.06

NPCA-NLM

4.29

8.88

14.02

20.03

Body image

    

NLM

5.06

12.65

20.97

29.62

PCA-NLM

5.06

12.59

20.63

29.35

NPCA-NLM

4.99

12.64

20.65

29.11

Knee image

    

NLM

4.93

7.98

11.84

16.66

PCA-NLM

4.77

7.82

11.46

15.66

NPCA-NLM

4.70

7.78

11.58

15.59