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(a) The experimental setup to measure photoacoustic signals from light-absorbing pencil lead targets submerged inside an optically scattering intralipid solution. (b) Experimental photoacoustic data for two different experiments and their corresponding (d,e) heatmap outputs from the network, (f,g) respective beamformed images, and (h,i) [26]’s outputs (centers of bounding boxes are shown).
