Barnes-Hut approximation reduces point-set geodesic shooting complexity from O(N²) to O(Nb + N log N) while preserving accuracy in simulated and clinical tests.
Mathematical programming 45(1-3), 503–528 (1989)
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Barnes-Hut Approximation for Point SetGeodesic Shooting
Barnes-Hut approximation reduces point-set geodesic shooting complexity from O(N²) to O(Nb + N log N) while preserving accuracy in simulated and clinical tests.