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Table 5 Calculation cost for the straight-line reconstruction of the Shepp–Logan phantom

From: Photoacoustic imaging reconstruction using combined nonlocal patch and total-variation regularization for straight-line scanning

t (s) 50 points 20 points 10 points
TV–GD 19.34 16.39 10.59
TV–Lp 14.69 10.48 6.39
Patch-RE 20.87 18.54 14.59
Patch-TV 24.58 20.38 17.23