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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Jul 23;38(1):167–179. doi: 10.1109/TMI.2018.2858752

TABLE I.

Average SNR (dB), SSIM, and reconstruction time (sec) comparison of different schemes under 5-fold (top) and 10-fold (bottom) acceleration.

Scheme GANCS (ℓ1)
η = 0.975, λ = 0.025		 GANCS (ℓ1)
η = 1, λ = 0		 GANCS (ℓ2)
η = 1, λ = 0		 GANCS (ℓ1)
η = 0.75, λ = 0.25		 CS-WV CS-TV ZF
5-fold acceleration
SNR 20.56 21.40 21.21 18.03 18.22 16.75 13.66
SSIM 0.82 0.84 0.84 0.76 0.80 0.77 0.64
Time 0.03 0.03 0.03 0.03 12.28 1.81 9 × 10−4
10-fold acceleration
SNR 17.06 17.82 17.53 13.7 15.65 15.67 11.92
SSIM 0.67 0.69 0.68 0.57 0.61 0.69 0.45
Time 0.03 0.03 0.03 0.03 11.17 2.59 4 × 10−4