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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: IEEE Trans Med Imaging. 2017 Sep 25;37(1):185–199. doi: 10.1109/TMI.2017.2756072

Fig. 2. Effect of discretization.

Fig. 2

The left figure shows the covering radii of single shell schemes with K samples obtained by methods using two uniform sets with 81 samples and 20481 samples. The right figure shows the covering radii of multi-shell schemes with K × 3 samples, where θs is the mean of covering radii in three shells, and θ0 is the covering radius of the combined shell.