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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

Fig. 9.

Fig. 9

The PA imaging results of the microtube phantom placed at the depth of 16.5 mm from the transducer surface (4.1 mm from the focal depth of the transducer). (a) Pre-beamformed data, (b) DAS, (c) DAS+CF, and (d) DMAS reconstruction results with the images corresponding to cross-section slices at X = 10 mm position (e) – (h) are presented. The depth axis unit presents the distance from the transducer surface (the focal depth is 12.4 mm). The color bar represents the normalized PA intensity.