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(a) 2D images of sequentially obtained Ascans; (b) estimated speed using small interval, large interval and adaptive speckle decorrelation analysis. 2D images of Ascans after distortion artifact corrected based on (c) the proposed adaptive speckle decorrelation analysis strategy, (d) speckle decorrelation with small time interval, (e) large time interval and (f) use the ground truth beam scanning speed.
