Efficient Encryption System for Numerical Image Safe Transmission

Table 9

Comparative study of NPCR and UACI tests for the Lena image.

Image	NPCR (%)	UACI (%)
[7]	99.61000	33.4800
[8]	99.62500	33.451000
[9]	99.60780	33.45100
[12]	99.64163	33.39537
[23]	99.63230	33.12500
[24]	99.61000	33.53000
[29]	100.0000	33.43150
[26]	99.58948	33.46458
[30]	99.62530	33.48070
Proposed algorithm	99.65950	33.83002