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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Annu Int Conf IEEE Eng Med Biol Soc. 2020 Jul;2020:13–16. doi: 10.1109/EMBC44109.2020.9176714

Fig. 3.

Fig. 3.

Results of LSQ and DP methods using approach 2 where n is not fixed to 2 and is estimated. The simulated phantom has three layers and 20 instances of added zero-mean Gaussian noise. The error bars show the standard deviation over the 20 instances of noise for attenuation coefficient (a), backscatter coefficient magnitude B (b), backscatter power law n (c), scaled ESS A (d), and acoustic concentration (e). The black dashed line is the known values.