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Table 5 Classification capability of selected MR pixels

From: Detection of Aβ plaque deposition in MR images based on pixel feature selection and class information in image level

No. of groups of data sets

1

2

3

4

5

6

7

8

Mean value

p value

Mean total intensity values in every AD samples (MTI_AD, ×106)

6.15

5.78

6.06

6.22

5.72

5.76

5.86

5.69

5.91

<0.001

Mean total intensity values in every CTL samples (MTI_CTL, ×106)

9.10

8.52

9.71

8.80

8.68

9.03

8.49

9.50

8.98

  1. ‘No. of groups of data sets’: the No. of the groups of test sets; ‘Mean total intensity values in every AD samples’: mean value of the sum of intensity values of the selected pixels within one image slice of AD; ‘Mean total intensity values in every CTL samples’: mean value of the sum of intensity values of the selected pixels within one image slice of CTL; Mean value: the mean value of the MTI_AD values of the eight groups of data sets and the mean value of the MTI_CTL values of the eight groups of data sets; p_value: significant difference between the MTI_AD values and MTI_CTL values
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BioMedical Engineering OnLine

ISSN: 1475-925X

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