mgr inż. Katarzyna Tessmer | Politechnika Gdańska

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mgr inż. Katarzyna Tessmer

Kontakt:

email:
kattessm@pg.edu.pl
strona:
https://mostwiedzy.pl/katarzyna-tessmer,198659-1

Zajmowane stanowiska:

Asystent

miejsce pracy:
Instytut Matematyki Stosowanej
Gmach B, 505
telefon:
+48 58 347 26 49
mgr inż. Katarzyna Tessmer

Publikacje:

  1. Publikacja

    - CHAOS - Rok 2023

    We introduce an entropy-based classification method for pairs of sequences (ECPS) for quantifying mutual dependencies in heart rate and beat-to-beat blood pressure recordings. The purpose of the method is to build a classifier for data in which each item consists of two intertwined data series taken for each subject. The method is based on ordinal patterns and uses entropy-like indices. Machine learning is used to select a subset...

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  2. Publikacja

    - Rok 2021

    In this paper, we examined whether entropy-based methods are able to differentiate healthy individuals from patients with congestive heart failure. To this aim, we applied two methods: Permutation Entropy and Block Entropy. Long-term ECG recordings (75 000 RR intervals) were analyzed. The results proved that both methods can distinguish those groups on condition that the parameters are appropriately chosen.

  3. Publikacja

    - DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B - Rok 2019

    Causal relationships are important to understand the dynamics of coupled processes and, moreover, to influence or control the effects by acting on the causes. Among the different approaches to determine cause-effect relationships and, in particular, coupling directions in interacting random or deterministic processes, we focus in this paper on information-theoretic measures. So, we study in the theoretical part the difference between...

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