Secure Smart Healthcare Monitoring in Industrial Internet of Things (IIoT) Ecosystem with Cosine Function Hybrid Chaotic Map Encryption

Table 8

NPCR and UACI comparison through relative approaches.

Methods	Images	NPCR			UACI
		R	G	Blue	R	G	B
“	P003 (keyframe 3)	99.5566	99.6536	99.5990	33.4086	33.3474	33.3364
[20]	Keyframe 4	99.6009	99.5899	99.6311	33.4910	33.3394	33.4804
[50]	Keyframe 3	99.6136	99.6136	99.5960	33.4406	33.3564	33.2764
[66]	Baboon	0.9962	0.9962	0.9962	0.2988	0.2844	0.3104
[71]	Frame 5	99.6070	99.5808	99.6307	33.4251	33.4013	33.5713
[72]	House 2	0.999908	0.999908	0.999923	0.332855	0.332929	0.332986
[73]	Lena	99.6258	99.6183	99.6182	33.4635	33.4877	33.4749