Image Encryption Performance Evaluation Based on Poker Test

Table 7

Performance ranking of cipher text image by descending order in Figure 3 with different upper bound value gap test.

Ranking number	20%	50%	70%
1	9	11	7
2	4	6	2
3	3	10	12
4	11	5	8
5	6	4	3
6	8	9	13
7	10	3	6
8	5	8	1
9	12	12	11
10	2	7	4
11	7	2	9
12	13	13	5
13	1	1	10
14	14	14	14