A Hyperchaotic Color Image Encryption Algorithm and Security Analysis

Table 3

Comparison of NPCR and UACI.

Image	NPCR/%	UACI/%
Ciphertext	99.63	33.52
Ciphertext [4]	99.63	33.54
Ciphertext [17]	86.55	33.47
Ciphertext [18]	99.63	33.51
Ciphertext [20]	99.60	30.34