Antipodally symmetric point sets with (a) 30, (b) 50, and (c) 188 points on the upper hemisphere or, respectively, 60, 100, and 376 points on the whole sphere.
A sequence of pairs of points.
(a) A rectangular grid indicating J rows and K number of shells. The first, shell has J number of points and the rest of the remaining shells are arranged in descending order in terms of the number of points in each shell. (b) An simple example for illustrating the diagonal ordering across multiple shells, the ordering is shown in the following sequence of [(1), (2), (3),…,(8)].
Comparison of normalized energy of various ordering schemes.
Execution time of the proposed schemes as a function of the number of gradient directions.
Cantorian Ordering of 4 shells (or K = 4 columns) of 6 points (or J = 6 rows).
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