Chaotic Lightweight Cryptosystem for Image Encryption

Table 5

Comparison of statistical parameters.

Parameter	Zhang et al. [13]	Patro et al. [18]	Raza and Satpute [19]	Bisht et al. [20]	Patro et al. [24]	Yousif et al. [27]	Talhaoui et al. [28]	Zheng et al. [29]	Liu et al. [30]	Gupta et al. [31]	Abed and Boyaci [32]	Lin and Wu [33]	Proposed method
NPCR (%)	—	99.6121	99.6227	99.7024	99.6091	100	99.6162	0.99596	0.996097	0.9958	—	99.6096	0.9954
UACI (%)	—	33.4711	33.5196	27.9796	33.4914	33.48	33.4675	0.33459	0.334557	0.2848	—	33.4673	0.2651
Entropy	7.990	7.9969	7.9974	7.9939	7.9991	7.71	7.902741	7.99923	7.568285	7.9971	7.9976	—	7.9762
PSNR	—	—	—	8.96	—	8.33	—	—	—	—	—	—	9.808