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Spatial recognition of activities for cognitive assistance: realistic scenarios using clinical data from Alzheimer’s patients

Bouchard Kevin, Bouchard Bruno et Bouzouane Abdenour. (2014). Spatial recognition of activities for cognitive assistance: realistic scenarios using clinical data from Alzheimer’s patients. Journal of Ambient Intelligence and Humanized Computing, 5, (5), p. 759-774.

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URL officielle: http://dx.doi.org/doi:10.1007/s12652-013-0205-8

Résumé

The evolution of consumer electronics, telecommunications and computing has empowered ambient intelligence into an emerging field of research bringing new possible solutions to many problems of human life. One of them is the technological assistance of elders who are suffering from a cognitive deficit with the execution of their everyday life activities inside what is called a smart home. To enable this technology, the first challenge to overcome is the recognition of the resident’s activities of daily living (ADLs). This problem consists of inferring the minimal set of possible ongoing ADLs using templates (plans) of activities defined in a library. To successfully achieve that goal, we must exploit constraints of different natures (logical, temporal, etc.) in order to reject a maximal number of hypotheses. However, only a minority of works exploited the elementary spatial aspects related to objects and to their relations in the smart environment. In this paper, we propose a novel recognition model exploiting the fundamental qualitative spatial reasoning approach of Egenhofer to discriminate implausible ongoing activities. Furthermore, the model is validated through extensive testing of realistic scenarios based on clinical trials conducted at our laboratory with both normal and impaired subjects.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:1868-5137
Volume:5
Numéro:5
Pages:p. 759-774
Version évaluée par les pairs:Oui
Date:2014
Identifiant unique:10.1007/s12652-013-0205-8
Sujets:Sciences naturelles et génie > Sciences mathématiques > Informatique
Sciences de la santé > Sciences médicales > Gériatrie-gérontologie
Département, module, service et unité de recherche:Départements et modules > Département d'informatique et de mathématique
Mots-clés:spatial reasoning, activity recognition, smart home, Alzheimer disease
Déposé le:11 févr. 2021 19:06
Dernière modification:11 févr. 2021 19:06
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