A High-Capacity Image Steganography Method Using Chaotic Particle Swarm Optimization

Table 5

Comparison between CPSO, PSO, and PSO-LSB-based methods.

Stego-image	PSNR			SSIM
	PSO-LSB [11]	PSO [10]	CPSO	PSO-LSB [11]	PSO [10]	CPSO
Baboon	51.1487	57.84	63.253	0.9987	0.9990	0.9998
Lena	51.1354	57.65	63.029	0.9982	0.9988	0.9996
Airplane	51.1448	55.69	63.195	0.9955	0.9971	0.9995
Boat	51.1413	55.89	63.109	0.9963	0.9965	0.9973