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. Author manuscript; available in PMC: 2020 Jun 30.
Published in final edited form as: IEEE Trans Med Imaging. 2019 Aug 8;39(3):656–667. doi: 10.1109/TMI.2019.2933813

Fig. 5.

Fig. 5.

Strain and displacement bias in the radial, circumferential, and longitudinal directions across a range of SNRs. (a) Circumferential displacement (top) and strain (bottom) bias across 32 equal circumferential segments. The numbering of each segment is ordered in a counter-clockwise manner beginning at nine o’clock on the cylindrical phantom (left diagram), (b) Longitudinal displacement (top) and strain (bottom) bias from epicardium to endocardium, (c) Radial displacement (top) and strain (bottom) bias from epicardium to endocardium. Squares are strain bias medians and shaded regions are the 95%-CI of strain bias (i.e., the tolerance). Blue and red horizontal lines represent, respectively, 0 median strain bias and +0.020 to −0.020 strain tolerance.