Radial Undersampling-Based Interpolation Scheme for Multislice CSMRI Reconstruction Techniques

Table 3

Comparison of the proposed EiCS technique with CS, FiCS, and iCS for different undersampling ratios.

Average undersampling ratio	Interpolation technique	Undersampling technique	SSIM	FSIM	MSE	PSNR	CORR	SI	PIQE
9%	iCS	1D-VRDU	0.7226	0.9733	0.0058	23.779	0.9522	501.64	30.91
7%	CS	Uniform angle radial	0.8377	0.9464	0.00056	32.532	0.9653	303.48	68.65
		Golden angle radial	0.8322	0.9433	0.0006	32.174	0.963	220.62	76.48
	FiCS	Uniform angle radial	0.86	0.9705	0.00038	34.208	0.9764	449.19	54.5
		Golden angle radial	0.8608	0.9649	0.00039	34.057	0.9756	516.65	61.76
	EiCS	Uniform angle radial	0.8559	0.9764	0.00034	34.658	0.9787	462.52	49.15
		Golden angle radial	0.8627	0.9733	0.00033	34.806	0.9795	442.74	50.82
5%	CS	Uniform angle radial	0.7995	0.9201	0.00084	30.738	0.9476	175.06	72.57
		Golden angle radial	0.7669	0.915	0.00104	29.797	0.9358	46.07	79.57
	FiCS	Uniform angle radial	0.8388	0.9593	0.00047	33.221	0.9703	267.63	54.58
		Golden angle radial	0.8339	0.9516	0.00052	32.778	0.9671	276.44	65.97
	EiCS	Uniform angle radial	0.8495	0.9681	0.00037	34.232	0.9765	476.98	45.33
		Golden angle radial	0.845	0.9673	0.0004	33.913	0.9748	338.01	50.94
3%	CS	Uniform angle radial	0.7003	0.8768	0.00176	27.537	0.8887	20.607	80.9
		Golden angle radial	0.6922	0.8794	0.00171	27.665	0.895	19.44	87.34
	FiCS	Uniform angle radial	0.8164	0.9437	0.00063	32.003	0.9606	229.16	70.39
		Golden angle radial	0.8027	0.9318	0.00072	31.397	0.9546	183.73	77.5
	EiCS	Uniform angle radial	0.8222	0.9512	0.00053	32.758	0.9671	251.05	56.84
		Golden angle radial	0.8235	0.9452	0.00053	32.684	0.9666	305.48	66.56