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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Identification of Postural Transitions Using a Waist-Located Inertial Sensor
verfasst von : Daniel Rodríguez Martín, Albert Samá, Carlos Pérez López, Andreu Catalá, Joan Cabestany, Alejandro Rodríguez Molinero
Erschienen in: Advances in Computational Intelligence
Verlag: Springer Berlin Heidelberg
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Analysis of human movement is an important research area, specially for health applications. In order to assess the quality of life of people with mobility problems like Parkinson’s disease (PD) or stroke patients, it is crucial to monitor their daily life activities. The main goal of this work is to characterize basic activities and their transitions using a single sensor located at the waist. This paper presents a novel postural detection algorithm which is able to detect and identify 6 different postural transitions, sit to stand, stand to sit, bending up/down and lying to sit and sit to lying transitions with a sensitivity of 86.5% and specificity of 95%. The algorithm has been tested on 31 healthy volunteers and 8 PD patients who performed a total of 545 and 176 transitions respectively. The proposed algorithm is suitable to be implemented in real-time systems for on-line monitoring applications.