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. Author manuscript; available in PMC: 2018 Jan 8.
Published in final edited form as: Phys Med Biol. 2017 May 18;62(12):4756–4776. doi: 10.1088/1361-6560/aa700a

Figure 6.

Figure 6

Simulation results investigating the effect of fibroglandular content on the form of the similarity metric. Baseline images are shown from subjects with fibroglandular tissue volume contents of (a) 12%, (b) 24%, (c) 33%, (d) 39%. Using a 30° change in the gravitational unit vector and Young’s modulus values of 0.25 kPa (adipose) and 2 kPa (fibroglandular), simulated gravity-deformed images were created for each baseline image shown in the top panel. The bottom panel shows the resulting similarity error contour maps. The diamond represents the error map minimum.