Real-Time Recognition of Physical Activities and Their Intensities Using Wireless Accelerometers and a Heart Rate Monitor
In this paper, we present a real-time algorithm for automatic recognition of not only physical activities, but also, in some cases, their intensities, using five triaxial wireless accelerometers and a wireless heart rate monitor. The algorithm has been evaluated using datasets consisting of 30 physi...
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| creator | Tapia, E.M. Intille, S.S. Haskell, W. Larson, K. Wright, J. King, A. Friedman, R. |
| description | In this paper, we present a real-time algorithm for automatic recognition of not only physical activities, but also, in some cases, their intensities, using five triaxial wireless accelerometers and a wireless heart rate monitor. The algorithm has been evaluated using datasets consisting of 30 physical gymnasium activities collected from a total of 21 people at two different labs. On these activities, we have obtained a recognition accuracy performance of 94.6% using subject-dependent training and 56.3% using subject-independent training. The addition of heart rate data improves subject-dependent recognition accuracy only by 1.2% and subject-independent recognition only by 2.1%. When recognizing activity type without differentiating intensity levels, we obtain a subject-independent performance of 80.6%. We discuss why heart rate data has such little discriminatory power. |
| doi_str_mv | 10.1109/ISWC.2007.4373774 |
| format | Conference Proceeding |
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| fulltext | fulltext |
| identifier | ISSN: 1550-4816 |
| ispartof | 2007 11th IEEE International Symposium on Wearable Computers, 2007, p.37-40 |
| issn | 1550-4816 2376-8541 |
| language | eng |
| recordid | cdi_ieee_primary_4373774 |
| source | Alma/SFX Local Collection |
| subjects | Accelerometers Biomedical monitoring Computerized monitoring Heart rate Heart rate measurement Hip Legged locomotion Pulse measurements Testing Wireless sensor networks |
| title | Real-Time Recognition of Physical Activities and Their Intensities Using Wireless Accelerometers and a Heart Rate Monitor |
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