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. Author manuscript; available in PMC: 2023 Jan 17.
Published in final edited form as: Phys Med Biol. 2022 Jan 17;67(1):10.1088/1361-6560/ac4562. doi: 10.1088/1361-6560/ac4562

Figure 4.

Figure 4.

Comparison of (a) local and (b) global average speed of sound estimates with ground-truth measurements. Empty and filled circles represent the in vivo and postmortem rats, respectively. The dashed line is the identity line and the solid black lines shows the linear regression from the portmortem data only. Bland-Altman plots for the (c) local and (d) global average speed of sound estimates relative to the ground-truth measurements. The mean difference (solid lines) and 95% confidence limits (dashed lines) are shown in blue and black for all 20 rats and the 12 postmortem rats, respectively.