Table 2 SNR results when morphological image processing is applied

N1

4.88

13.98

14.43

N2

4.29

8.92

9.80

N3

−0.20

13.16

13.51

N4

4.95

13.07

13.18

N5

4.27

9.73

10.27

N6

−0.85

12.56

13.29

N7

0.30

6.22

6.98

N8

3.97

11.31

12.30

N9

0.33

7.86

8.94

N10

4.25

12.08

13.11

N11

4.04

10.81

11.22

N12

−0.86

10.89

11.65

N13

3.69

9.79

10.53

N14

2.67

8.34

9.05

N15

1.36

7.63

8.94

N16

10.69

15.37

15.58

N17

4.41

10.26

10.74

Average

3.07

10.70

11.38