Table 5.

Comparison of Correlation Coefficients for Lena Image

Plain Image		Cipher Image
Lena (256 × 256)		Proposed	X. Chai et al. (2019) [8]	S. S. Askar et al. (2019) [5]	T. Li et al. (2020) [14]	Y. Wan et al. (2020) [31]	J. Ferdush et al. (2021) [9]
C_H	0.9494	0.0021	0.0070	0.0005	0.0044	0.0020	-0.0414
C_V	0.9667	0.0099	-0.0102	0.0017	0.0015	0.0105	-0.0342
C_D	0.9366	0.0011	0.0030	-0.0025	0.0019	0.0019	0.1083