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Table 10 Positioning of hash using different secret keys

From: Robust image hashing through DWT-SVD and spectral residual method

Keys

Positioning of the first intermediate hash

K 1 = 4

18

27

1

19

10

31

26

20

8

24

22

4

3

21

7

9

25

13

32

15

23

16

5

29

11

17

6

2

14

12

30

28

\( {K}_1^{\hbox{'}}=10[[]] \)

26

18

6

32

27

1

7

14

30

19

16

28

10

5

29

22

13

17

3

2

21

15

9

12

20

23

8

31

24

11

25

4