Page 19 - 2024-Vol20-Issue2

15 | Yousif, Hameed & Al-Zuhairi

TABLE VII.
RESULTS OF PERFORMANCE METRIC FOR LENA IMAGE AT EACH ENCRYPTION STAGE.

Encryption stage Entropy Correlation (H) MSE PSNR (dB) UACI (%) NPCR (%)
Zigzag scan 7.4318 4.5449 × 103 11.5556 27.4992 99.37
Zigzag scan and RSA 7.9950 0.1330 7.7540 × 103 9.2356 30.3229 99.61
Zigzag scan, RSA 7.9971 1.3962×104 6.6813 33.3258 100
and Chaotic systems 0.0204
4.9266 × 10-4

TABLE VIII.
INFORMATION ENTROPY, PSNR, UACI, NPCR, AND CORRELATION COFFICIENT COMPARISON

Image Method Entropy PSNR UACI (%) NPCR (%) Correlation Coefficients
Cameraman
Ref. [17] 7.9974 - - - Horizontal Vertical Diagonal
Lena
Ref. [23] 7.9969 - 33.46 99.61 - 0.0036695 0.0002067
Baboon Ref. [34] 7.9968 9.2118 33.4538 99.6521
Boat Proposed 7.9974 6.3604 33.9472 99.61 0.0009180

Peppers Ref. [17] 7.9968 - - - -0.0011 0.0114 -0.0032
Ref. [18] 7.9968 - - -
Ref. [21] 7.9971 - 33.5053 99.5712 0.0149 0.0162 -0.0168
Ref. [26] 7.9970 - 33.3537 99.6109
Ref. [28] 7.9762 9.808 26.51 99.54 -9.6603× -3.9055× 3.9393 ×
Ref. [34] 7.9969 9.2198 33.4271 99.6460
Ref. [44] 7.9980 - 38 99.61 10-5 10-4 10-4
Proposed 7.9971 6.6813 33.3258 100
---
Ref. [28] 7.9434 10.747 23.77 99.49
Ref. [34] 7.9976 9.1916 33.4309 99.6426 0.0012 0.0026 0.0021
Ref. [36] 7.9973 99.58
Proposed 7.9970 - 33.35 99.99 0.0015 0.0018 0.0018
6.4303 33.2240
Ref. [17] 7.9967 - ---
Ref. [36] 7.9975 - - 99.61
Proposed 7.9969 - 33.40 99.86 -0.00011 0.0024 -0.0012
5.8159 33.9939
Ref. [34] 7.9976 99.6475 0.0222 0.0354 0.0006
Ref. [36] 7.9974 9.2210 33.4078 99.58
Proposed 7.9970 - 33.42 99.74 0.0036 0.0023 0.0039

6.4938 33.5428 4.9266 × -3.6102× 2.6482 ×

10-4 10-4 10-4

-0.00021 0.0022 0.0033

0.0346 0.0205 -0.0049

- 0.0040 0.0007 0.0015

4.2133 × -9.5688× -9.4679×

10-5 10-4 10-4

---

0.0047 0.0007 0.0007

-4.0670× 1.7182 × -5.4659×

10-4 10-5 10-4

0.0017 0.0222 0.0076

-0.0038 0.0084 -0.0017

-8.4578× -7.1571× 6.2330 ×

10-4 10-4 10-4