Communication publiée dans un ouvrage (Colloques, congrès, conférences scientifiques et actes)
Video-Based Feedback for Assisting Physical Activity
BAPTISTA, Renato; GONCALVES ALMEIDA ANTUNES, Michel; AOUADA, Djamila et al.
2017In 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISAPP)
Peer reviewed
 

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Mots-clés :
Template Action; Temporal Alignment; Feedback; Sroke
Résumé :
[en] In this paper, we explore the concept of providing feedback to a user moving in front of a depth camera so that he is able to replicate a specific template action. This can be used as a home based rehabilitation system for stroke survivors, where the objective is for patients to practice and improve their daily life activities. Patients are guided in how to correctly perform an action by following feedback proposals. These proposals are presented in a human interpretable way. In order to align an action that was performed with the template action, we explore two different approaches, namely, Subsequence Dynamic Time Warping and Temporal Commonality Discovery. The first method aims to find the temporal alignment and the second one discovers the interval of the subsequence that shares similar content, after which standard Dynamic Time Warping can be used for the temporal alignment. Then, feedback proposals can be provided in order to correct the user with respect to the template action. Experimental results show that both methods have similar accuracy rate and the computational time is a decisive factor, where Subsequence Dynamic Time Warping achieves faster results.
Centre de recherche :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM
Disciplines :
Sciences informatiques
Auteur, co-auteur :
BAPTISTA, Renato ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
GONCALVES ALMEIDA ANTUNES, Michel ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
AOUADA, Djamila  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
OTTERSTEN, Björn  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Co-auteurs externes :
no
Langue du document :
Anglais
Titre :
Video-Based Feedback for Assisting Physical Activity
Date de publication/diffusion :
2017
Nom de la manifestation :
12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISAPP)
Date de la manifestation :
February 27-March 01, 2017
Titre de l'ouvrage principal :
12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISAPP)
Peer reviewed :
Peer reviewed
Projet européen :
H2020 - 689947 - STARR - Decision SupporT and self-mAnagement system for stRoke survivoRs
Projet FnR :
FNR10415355 - 3d Action Recognition Using Refinement And Invariance Strategies For Reliable Surveillance, 2015 (01/06/2016-31/05/2019) - Bjorn Ottersten
Organisme subsidiant :
CE - Commission Européenne
European Union
Disponible sur ORBilu :
depuis le 06 décembre 2016

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