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Table 3 Validation results for T2 MRI images degraded by blurring with circular averaging filter

From: Standardized quality metric system for structural brain magnetic resonance images in multi-center neuroimaging study

Distortion level

Number of slice

Average objective score

Average subjective score

Objective- subjective correlation coefficient

Inter-observer correlation coefficient

0

50

0.80

0.70

0.84

0.85

5

50

0.70

0.70

0.72

0.80

10

50

0.50

0.40

0.75

0.75

15

50

0.30

0.30

0.70

0.65