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Table 2 Comparison of computational time on dataset 2

From: An enhanced adaptive non-local means algorithm for Rician noise reduction in magnetic resonance brain images

Denoising method

Computational time (s)

Image 1

Image 2

Image 3

Image 4

Image 5

Image 6

Image 7

Image 8

FANLM

16.93

17.35

14.43

16.30

17.73

18.85

17.19

16.93

NLM

30.52

35.26

29.51

31.48

32.59

36.71

34.85

32.67

LMMSE

10.76

12.47

10.79

11.25

12.74

14.53

13.40

12.38

UWT

13.27

14.89

12.12

13.76

15.10

18.76

15.32

14.17

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BMC Medical Imaging

ISSN: 1471-2342

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