79 citations · 206 across the 4 of their papers we have counts for
5 papers
Pulse rate estimation using imaging photoplethysmography: generic framework and comparison of methods on a publicly available dataset
Anton M. Unakafov
Objective: to establish an algorithmic framework and a benchmark dataset for comparing methods of pulse rate estimation using imaging photoplethysmography (iPPG). Approach: first w…
Change-point detection using the conditional entropy of ordinal patterns
Anton M. Unakafov, Karsten Keller
This paper is devoted to change-point detection using only the ordinal structure of a time series. A statistic based on the conditional entropy of ordinal patterns characterizing t…
An approach to comparing Kolmogorov-Sinai and permutation entropy
Valentina A. Unakafova, Anton M. Unakafov, Karsten Keller
In this paper we investigate a quantity called conditional entropy of ordinal patterns, akin to the permutation entropy. The conditional entropy of ordinal patterns describes the a…
On the Relation of KS Entropy and Permutation Entropy
Karsten Keller, Anton M. Unakafov, Valentina A. Unakafova
Since Bandt et al. have shown that the permutation entropy and the Kolmogorov-Sinai entropy coincide for piecewise monotone interval maps, the relationship of both entropies for ti…
Conditional entropy of ordinal patterns
Anton M. Unakafov, Karsten Keller
In this paper we investigate a quantity called conditional entropy of ordinal patterns, akin to the permutation entropy. The conditional entropy of ordinal patterns describes the a…