Table 6 The results of the Wilcoxon signed-rank test for further analysis of PSNR.

From: Gaussian bare‑bone JAYA algorithm for multi-threshold medical image segmentation

Thresholds

4

  

5

  

6

  

Item

+/-/=

Mean

Rank

+/-/=

Mean

Rank

+/-/=

Mean

Rank

GBJAYA

~

2

1

~

1.5

1

~

1.3

1

JAYA

10/0/0

9.4

9

10/0/0

9.4

9

9/0/1

9.7

10

DE

1/0/9

4.3

4

7/0/3

4.6

4

10/0/0

5.9

6

ABC

3/0/7

4.8

6

8/0/2

6.1

6

9/0/1

5.9

6

MVO

6/0/4

6.1

7

6/0/4

6.1

6

8/0/2

6.9

8

HHO

10/0/0

9.9

10

10/0/0

10.3

11

9/0/1

9.4

9

CGPSO

9/0/1

7.6

8

9/0/1

6.7

8

8/0/2

4.9

5

IWOA

10/0/0

10.4

11

10/0/0

10

10

10/0/0

10.7

11

ASMA

2/0/8

4

3

6/0/4

4.4

3

8/0/2

4

3

GBSFSSSA

2002/1/7

3.2

2

1/0/9

2.1

2

4/0/6

2.5

2

SRDSGO

3/0/7

4.3

4

5/0/5

4.8

5

7/0/3

4.8

4

Thresholds

12

  

16

  

20

  

Item

+/-/=

Mean

Rank

+/-/=

Mean

Rank

+/-/=

Mean

Rank

GBJAYA

~

1.2

1

~

1.1

1

~

1.2

1

JAYA

10/0/0

9

9

10/0/0

9.2

9

10/0/0

8.3

8

DE

10/0/0

7.3

7

10/0/0

6.9

7

10/0/0

6.5

7

ABC

9/0/1

5

5

10/0/0

5

5

10/0/0

4.7

5

MVO

10/0/0

7.9

8

10/0/0

8.5

8

10/0/0

9.1

9

HHO

10/0/0

10.1

10

10/0/0

9.5

10

10/0/0

9.9

10

CGPSO

6/0/4

3

3

9/0/1

3.1

3

9/0/1

4.1

3

IWOA

10/0/0

10.5

11

10/0/0

10.5

11

10/0/0

10.5

11

ASMA

9/0/1

4.7

4

9/0/1

4.4

4

10/0/0

4.2

4

GBSFSSSA

4/0/6

2.2

2

2/0/8

1.9

2

3/0/7

1.9

2

SRDSGO

9/0/1

5.1

6

9/0/1

5.9

6

9/0/1

5.6

6