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Table 1 PSNRs (dB) of the straight-line scanning of the Shepp–Logan phantom in the vertical direction

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

PSNRs (dB) 50 points 20 points 10 points
TV-GD 17.58 16.46 14.35
TV-Lp 26.97 20.54 15.39
Patch-RE 21.47 18.03 14.29
Patch-TV 34.98 31.35 23.49