Modified Projective Synchronization between Different Fractional-Order Systems Based on Open-Plus-Closed-Loop Control and Its Application in Image Encryption

Table 2

The comparison of NPCR and UACI between proposed method and literature [14].

(𝑚, 𝑛)	NPCR		UACI
	Our method	Literature [14]	Our method	Literature [14]
(1, 2)	0.0016	0.0002	0.0004	0.00004
(2, 2)	0.1260	0.0110	0.0440	0.0027
(2, 3)	0.4697	0.0173	0.1628	0.0046
(3, 2)	0.8840	0.4388	0.3006	0.1195
(3, 3)	0.9866	0.5662	0.3326	0.1554
(4, 4)	0.9959	0.9899	0.3358	0.3109
(6, 4)	0.9961	0.9961	0.3351	0.3346