Research Article

An Improved Piecewise Linear Chaotic Map Based Image Encryption Algorithm

Table 3

The mean NPCR and UACI of ciphered images with one bit difference between the plain images.

ImageNPCR (%)UACI (%)

Lena99.742133.5278
Sailboat99.725933.4237
Pepper99.728933.3548
Cameraman99.615033.4212