Frequency Domain Compressive Sampling for Ultrasound Imaging

Table 1

NRMSE between the CS-reconstructed RF US image and the original simulated image of a kidney for different sampling ratios and patterns.

		Φ1	Φ2	Φ3
	25%	0.48	0.58	0.6
Classic ℓ1 minimization (𝜆=0.005)	33%	0.33	0.45	0.49
	50%	0.15	0.28	0.29
	25%	0.51	0.56	0.64
Reweighted ℓ1 minimization	33%	0.36	0.47	0.49
	50%	0.17	0.24	0.3