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

Table 7

NPCR and UACI of the keyframe and test images.

Methods	Images	NPCR			UACI
		R	G	Blue	R	G	B
Proposed	Pepper	99.5520	99.5735	99.6532	33.3396	33.3363	33.4394
	Lake	99.4546	99.5453	99.6868	33.32473	33.2669	33.3329
	P001 (keyframe 1)	99.6634	99.5383	99.5983	33.3782	33.3493	33.3483
	P002 (keyframe 2)	99.5989	99.6682	99.5959	33.3498	33.3467	33.3467
	P003 (keyframe 3)	99.5566	99.6536	99.5990	33.4086	33.3474	33.3364
	P004 (keyframe 4)	99.6343	99.5888	99.6699	33.3366	33.3495	33.3498
	P005 (keyframe 5)	99.6346	99.6456	99.6412	33.3332	33.3983	33.3351
	P006 (keyframe 6)	99.4996	99.5978	99.5892	33.3596	33.5477	33.3499