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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2021 Nov 23;68(12):3560–3569. doi: 10.1109/TUFFC.2021.3098501

Fig. 3.

Fig. 3.

Model-matrix free reconstruction results: Laplacian-regularized (first row: a,b,c) and model-back-projection (second row: d,e,f) reconstructions obtained from 360°, 180° and 120° views, respectively.