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Fig. 5 | BMC Medical Imaging

Fig. 5

From: Local sparsity enhanced compressed sensing magnetic resonance imaging in uniform discrete curvelet domain

Fig. 5

Performance of algorithms under Cartesian undersampling scheme at 35 % sampling rate. (a)–(e) Reconstructed images using DLMRI, MRSFLCT based CS MRI, LORAKS, PANO and LSECSMRI, respectively, (f) reconstructed image from fully sampled k-space data, (g)–(k) difference images between fully sampled MR image and images in (a)–(e) with gray scale of [0,0.25], respectively. PSNRs of them are 31.61, 32.28, 28.53, 36.33 and 3 7 . 4 0. TEIs are 0.6109, 0.6306, 0.4886, 0.7529, and 0 . 7 6 7 4. RLNEs are 0.1620, 0.1500, 0.2310, 0.0941 and 0 . 0 8 3 2 separately. And computational time is 56.5+80.4sec, 30.5sec, 664.7sec, 296.8sec and 50+492sec, respectively

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BMC Medical Imaging

ISSN: 1471-2342

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