Accurate Symmetry Calculation with Normalized Dynamic Time Warping Gait Symmetry Ratio

 

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Auteurs: Steinmetzer, Tobias, Bönninger, Ingrid, Travieso-González, Carlos M.
Format: artículo original
Statut:Versión publicada
Date de publication:2022
Description:In this paper we propose a new method for symmetry calculation in wearable devices. The problem in this domain is that only discrete features such as stride length, stride duration, or duration of gait phases are used for the symmetry calculation. However, this can lead to failures, since the use of features can result in partial loss of information from the time series. From this we present a possibility to calculate the symmetry by using Dynamic Time Warping (DTW). DTW uses the complete time series for the analysis and is therefore independent of certain features.
Pays:Portal de Revistas UNA
Institution:Universidad Nacional de Costa Rica
Repositorio:Portal de Revistas UNA
Langue:Inglés
OAI Identifier:oai:www.revistas.una.ac.cr:article/16379
Accès en ligne:https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/16379
Mots-clés:Wearable Device
Symmetry
Time Series
Dynamic Time Warping (DTW)
Gait Asymmetry
Dispositivo usable
Simetría
Series temporales
Deformación de tiempo dinámica
Resistencia sensible a la fuerza
dispositivo vestível
simetria
séries temporais
Dynamic Time Warping
resistência sensível à força