Secure and Efficient Image Compression-Encryption Scheme Using New Chaotic Structure and Compressive Sensing

Table 1

PSNR and SSIM analysis.

Chaotic map		CS scheme [14]			Our scheme
		Lena	Boom	Average	Lena	Boom	Average
PSNR	Chebyshev + Tent [14]	32.2193	23.3287	27.7740	34.7032	26.9524	30.8278
	Our-Chebyshev + our-Tent	32.3556	23.4894	27.9225	35.4272	27.1717	31.2995
	Sine + Logistic [17]	32.2724	23.0829	27.6777	35.1394	26.5448	30.8421
	Our-Sine + our-Logistic	32.2654	23.5357	27.9006	35.3708	26.9977	31.1843
SSIM	Chebyshev + Tent [14]	0.7517	0.6227	0.6872	0.8118	0.7872	0.7995
	Our-Chebyshev + our-Tent	0.7528	0.6394	0.6961	0.8184	0.7971	0.8078
	Sine + Logistic [17]	0.7538	0.6450	0.6994	0.8164	0.7883	0.8024
	Our-Sine + our-Logistic	0.7512	0.6664	0.7088	0.8194	0.7955	0.8075