A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift

Table 1

The Lena image test results in different schemes.

Index (%)	Ideal value	Ours	[20]	[21]	[22]
NPCR	99.6094	99.6101	99.65	99.61	99.66
UACI	33.4635	33.4583	33.56	33.48	33.49