Frequency Domain Compressive Sampling for Ultrasound Imaging

Table 3

NRMSE between the CS-reconstructed RF US image and the original in vivo image of a human thyroid right lobe for different sampling ratios and patterns.

		Φ1	Φ2	Φ3
	25%	0.34	0.63	0.38
Classic ℓ1 minimization (𝜆=0.01)	33%	0.22	0.53	0.26
	50%	0.12	0.38	0.13
	25%	0.36	0.64	0.39
Reweighted ℓ1 minimization	33%	0.24	0.56	0.26
	50%	0.15	0.40	0.16