Block entropy analysis of Heart Rate Variability signals
| dc.contributor.author | Karamanos, K. | en |
| dc.contributor.author | Nikolopoulos, S. | en |
| dc.contributor.author | Hizanidis, K. | en |
| dc.contributor.author | Manis, G. | en |
| dc.contributor.author | Alexandridi, A. | en |
| dc.contributor.author | Nikolakeas, S. | en |
| dc.date.accessioned | 2015-11-24T17:01:18Z | |
| dc.date.available | 2015-11-24T17:01:18Z | |
| dc.identifier.issn | 0218-1274 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/10904 | |
| dc.rights | Default Licence | - |
| dc.subject | symbolic dynamics | en |
| dc.subject | block entropies | en |
| dc.subject | lumping | en |
| dc.subject | electrocardiograms | en |
| dc.subject | heart rate variability | en |
| dc.subject | symbolic dynamics | en |
| dc.subject | time-series | en |
| dc.subject | sequences | en |
| dc.subject | dimension | en |
| dc.title | Block entropy analysis of Heart Rate Variability signals | en |
| heal.abstract | In this paper we present a novel approach to the analysis of Heat Rate Variability (HRV) data, by coarse-graining analysis using the estimation of Block Entropies with the technique of lumping. HRV time series are generated from long recordings of Electrocardiograms (ECGs) and are then filtered in order to produce a coarse-grained symbolic dynamics. Block Entropy analysis is applied to these dynamics in order to examine its coarse-grained statistics. Our data set is comprised of two subsets, one of healthy subjects and another of Coronary Artery Disease (CAD) patients. It is found that Entropy analysis provides a quick and efficient tool for the differentiation of these series according to subject category. Healthy subjects provided more complex statistics compared to patients; specifically, the healthy data files provided higher values of block Entropies compared to patient ones. We also compare these results with the Correlation Dimension Estimation in order to establish coherency. We believe that this analysis may provide a useful statistical method towards the better understanding of the human cardiac system. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.journalName | International Journal of Bifurcation and Chaos | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2006 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Ηλεκτρονικών Υπολογιστών και Πληροφορικής | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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