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Motor and sensitive disabilities deeply modify the gait pattern in progressive multiple sclerosis (MS); head–and thus cephalic sensory system- stabilization during walking is therefore a key issue for maintaining dynamic stability. This study aims at assessing the feasibility of constraining the gaze on a target while walking to limit gait disorders for patients with MS.Ten patients with progressive...
Le suivi longitudinal des patients atteints d’arthrose de hanche et de genou nécessite des méthodes de quantification de la boîterie utilisables en consultation clinique. Le but était de réaliser une étude exploratoire afin de déterminer si une mesure de la boîterie à partir de capteurs inertiels et une analyse de bas niveau du signal pouvait révéler des paramètres de marche corrélés à la sévérité...
L’extraction automatique des caractéristiques de la marche est utile pour quantifier objectivement les troubles de la locomotion et étudier l’évolution de diverses maladies ORL, neurologiques ou orthopédiques. On utilise pour cela des centrales inertielles sans fil enregistrant les accélérations et les vitesses angulaires. Le but est d’extraire automatiquement à partir des signaux enregistrés le début...
La faible qualité des acquisitions réalisées par la Wii Board Balance est souvent mise en avant comme le principal obstacle à son utilisation comme plate-forme de force pour l’évaluation de l’équilibre. Une nouvelle approche est proposée, utilisant des méthodes de traitement du signal avancée afin d’améliorer la qualité des enregistrements ainsi que des méthodes de fouille de données pour en améliorer...
Physical activity (PA) level is a key element in the prevention and the treatment of several chronic diseases. In adults, low PA levels and sedentary behaviors are linked to higher risks of developing cardiovascular diseases (e.g. high blood pressure), type 2 diabetes and several types of cancers. In addition, PA is an essential component for the treatment of obese people and for the prevention of...
This paper presents an efficient method for chord transcription of music signals. A succession of chroma vectors is calculated from the signal in order to extract the musical content of the piece over time. We introduce a set of chord templates for several types of chords (major, minor, dominant seventh, ...): different chord models taking into account one or more harmonics of the notes of the chord...
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