A High-Security Privacy Image Encryption Algorithm Based on Chaos and Double Encryption Strategy

Table 5

NPCR and UACI test results (%).

Image	NPCR	Pass or no pass	UACI	Pass or no pass
Barbara	99.6036	Pass	33.4892	Pass
Girl	99.6102	Pass	33.5023	Pass
Lena	99.6059	Pass	33.4652	Pass
Reagan	99.6099	Pass	33.4899	Pass