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Table 2 The ratios of the detecting atrophy region and the region of hippocampus and parahippocampal gyrus

From: Brain MR image denoising for Rician noise using pre-smooth non-local means filter

1

2

3

4

5

6

7

8

9

10

9.93

55.98

57.66

58.55

56.03

57.74

57.52

57.09

58.69

57.76

  1. 1. Original image.
  2. 2. Image denoising by the nlm.
  3. 3. Image denoising by the unlm with squared magnitude transformation.
  4. 4. Image denoising by the unlm with VST.
  5. 5. Image denoising by the PSNLM1 with anisotropic filter.
  6. 6. Image denoising by the PSNLM1 with gaussian filter.
  7. 7. Image denoising by the PSNLM1 with median filter.
  8. 8. Image denoising by the PSNLM2 with anisotropic filter.
  9. 9. Image denoising by the PSNLM2 with gaussian filter.
  10. 10. Image denoising by the PSNLM2 with median filter.
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BioMedical Engineering OnLine

ISSN: 1475-925X

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