Time warping with Hellinger elasticity

Published 9 Mar 2026 in cs.IR, cs.DS, and math.MG | (2603.08807v1)

Abstract: We consider a matching problem for time series with values in an arbitrary metric space, with the stretching penalty given by the Hellinger kernel. To optimize this matching, we introduce the Elastic Time Warping algorithm with a cubic computational complexity.

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Yuly Billig

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