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. Author manuscript; available in PMC: 2023 Oct 1.
Published in final edited form as: IEEE Trans Ind Electron. 2023 Oct;70(10):10333–10343. doi: 10.1109/TIE.2022.3220864

Fig. 16.

Fig. 16

US images acquired by the SAPM (a) and the manual operation (b). Five regions of interest (ROIs) (in the red circle) and five contrast regions (in the blue circle) were selected for local contrast-to-noise ratio (LCNR) calculation.