TABLE III. Comparison of Capacity, PSNR, and SSIM for Medical Images.

Image	Scheme	Capacity (bits)	PSNR (dB)	SSIM
Image 1	Proposed	589824	41.944	0.9493
	Loan et al., [23]	589824	38.0816	0.9065
	Proposed	196608	46.7701	0.9829
	Ahad et al., [24]	196608	46.3685	0.9815
	Proposed	38700	53.8437	0.9969
	GA scheme [22]	38,700	49.011976	0.998578
	PSO scheme [22]	38,390	49.004725	0.998566
	Luo et al., [17]	36,060	48.946455	0.99858
	Lee et al., [25]	10,882	48.420868	0.998843
Image 2	Proposed	589824	41.98	0.9462
	Loan et al., [23]	589824	38.89	0.9077
	Proposed	196608	46.7460	0.9815
	Ahad et al., [24]	196608	46.3604	0.9878
	Proposed	38700	53.7834	0.9965
	GA scheme [22]	38700	49.011976	0.998578
	PSO scheme [22]	38390	49.004725	0.998566
	Luo et al., [17]	36060	48.946455	0.99858
	Lee et al., [25]	10882	48.420868	0.998843
Image 3	Proposed	589824	41.74	0.9509
	Loan et al., [23]	589824	38.35	0.9133
	Proposed	196608	46.7550	0.9817
	Ahad et al., [24]	196608	46.3694	0.9823
	Proposed	38700	53.8762	0.9969
	GA scheme, [22]	38700	49.011976	0.998578
	PSO scheme, [22]	38390	49.004725	0.998566
	Luo et al. [17]	36060	48.946455	0.99858
	Lee et al. [25]	10,882	48.420868	0.998843
Image 4	Proposed	589824	41.97	0.9672
	Loan et al., [23]	589824	38.33	0.9328
	Proposed	196608	46.7611	0.9879
	Ahad et al., [24]	196608	46.3713	0.9806
	Proposed	38700	53.8202	0.9976
	GA scheme, [22]	38700	49.011976	0.998578
	PSO scheme, [22]	38390	49.004725	0.998566
	Luo et al. [17]	36060	48.946455	0.99858
	Lee et al. [25]	10882	48.420868	0.998843
Image 6	Proposed	589824	41.99	0.9493
	Loan et al., [23]	589824	37.36	0.7198
Image 7	Proposed	589824	41.96	0.9684
	Loan et al., [23]	589824	35.45	0.9352