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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Ultrasonics. 2021 Aug 8;118:106549. doi: 10.1016/j.ultras.2021.106549

Table 2.

Image quality evaluation of the microtube phantom imaging results

Depth = 16.5 mm Depth = 24.5 mm
Tube #3 Tube #4 Tube #3 Tube #4
FWHM [mm] SNR [mm] FWHM [mm] SNR [mm] FWHM [mm] SNR [mm] FWHM [mm] SNR [mm]
Pre-beamformed 2.66 29.59 1.91 32.56 2.63 17.32 1.06 13.62
DAS 0.49 31.11 0.54 31.42 0.49 28.79 0.4 32.33
DAS+CF 0.31 41.04 0.34 35.67 0.34 44.94 0.3 52.28
DMAS 0.37 31.25 0.27 35.47 0.38 39.28 0.32 41.57