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

Table 6

The NPCR and UACI performance.

	NPCR (%)			UACI (%)
	R	G	B	R	G	B
Proposal	99.6124	99.6277	99.6399	33.5715	33.3356	33.4044
Li et al. [39]	99.6124	99.6134	99.6192	33.4438	33.5232	33.5010