Table 8 Comparison with state-of-the-art image encryption techniques.

From: Adaptive image encryption approach using an enhanced swarm intelligence algorithm

Author

Year

Correlation coefficient

Entropy

NPCR

UACI

H

V

D

Ravichandran et al.48 (16 bit)

2021

0.0016

0.0006

0.0022

15.7850

99.6067

33.4700

Meng et al.49 (16 bit)

2022

− 0.0080

0.0010

− 0.0074

15.5872

99.9974

33.2819

Muthu and Murli50 (16 bit)

2022

− 0.0029

0.0014

0.0012

–

99.9728

33.4782

Wu et al.51 (8 bit)

2023

− 0.0164

0.0056

0.0289

7.9993

99.6128

33.5196

Naguib et al.52 (8 bit)

2024

0.0013

0.0037

0.0005

7.9878

99.5070

34.4460

Proposed

8 bit

2024

− 0.0032

0.0023

− 0.0014

7.9995

99.6078

33.4517

16 bit

− 0.0020

− 0.0042

− 0.0034

15.8124

99.9969

33.3892