Table 6 The result of the algorithm’s sensitivity to a single pixel change in the original image.

Encrypted image	Channels	Our method		El Azzaby et al.³⁷		J. Arif et al.⁵⁸		Es-sabry et al.³⁸		Alexan et al.⁴³
Encrypted image	Channels	NPCR	UACI	NPCR	UACI	NPCR	UACI	NPCR	UACI	NPCR	UACI
Peppers	Red	99.60	33.68	99.77	33.48	-	-	99.69	33.49	-	-
	Green	99.62	33.77	99.80	33.69	-	-	99.62	33.49	-	-
	Blue	99.60	33.38	99.72	33.65	-	-	99.62	33.46	-	-
	Average	99.61	33.61	99.76	33.60	99.61	33.48	99.65	33.48	99.61	30.39
Bird	Red	99.63	33.50	-	-	-	-	99.61	33.49	-	-
	Green	99.61	33.42	-	-	-	-	99.69	33.41	-	-
	Blue	99.62	33.45	-	-	-	-	99.63	33.42	-	-
	Average	99.62	33.46	-		-	-	99.64	33.44	-	-
Baboon	Red	99.64	33.48	-	-	-	-	-	-	-	-
	Green	99.62	33.59	-	-	-	-	-	-	-	-
	Blue	99.63	33.52	-	-	-	-	-	-	-	-
	Average	99.63	33.45	-	-	99.60	33.43	-	-	-	-

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