On the Cryptanalysis of a Bit-Level Image Chaotic Encryption Algorithm

Table 7

The PSNR of some encrypted images.

	Lena	Flower	Greens	Koala	Back	Leaf	Bird	Cup
Data loss	45.8046	45.4999	45.5328	45.7227	45.6335	45.4982	45.7684	45.5385
Noise attack	52.9234	52.8497	52.9709	52.9123	52.8472	53.1511	53.0019	52.6502