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Personalized Online Training for Physical Activity monitoring using weak labels
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- Cruciani, Federico (författare)
- School of Computing, Ulster University, Jordanstown, Northern Ireland, UK
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- Cleland, Ian (författare)
- School of Computing, Ulster University, Jordanstown, Northern Ireland, UK
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- Nugent, Chris (författare)
- School of Computing, Ulster University, Jordanstown, Northern Ireland, UK
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- McCullagh, Paul (författare)
- School of Computing, Ulster University, Jordanstown, Northern Ireland, UK
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- Synnes, Kåre, 1969- (författare)
- Luleå tekniska universitet,Datavetenskap
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- Hallberg, Josef, 1976- (författare)
- Luleå tekniska universitet,Datavetenskap
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(creator_code:org_t)
- IEEE, 2018
- 2018
- Engelska.
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Ingår i: 2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops). - : IEEE. - 9781538632277 ; , s. 567-572
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- The use of smartphones for activity recognition is becoming common practice. Most approaches use a single pretrained classifier to recognize activities for all users. Research studies, however, have highlighted how a personalized trained classifier could provide better accuracy. Data labeling for ground truth generation, however, is a time-consuming process. The challenge is further exacerbated when opting for a personalized approach that requires user specific datasets to be labeled, making conventional supervised approaches unfeasible. In this work, we present early results on the investigation into a weakly supervised approach for online personalized activity recognition. This paper describes: (i) a heuristic to generate weak labels used for personalized training, (ii) a comparison of accuracy obtained using a weakly supervised classifier against a conventional ground truth trained classifier. Preliminary results show an overall accuracy of 87% of a fully supervised approach against a 74% with the proposed weakly supervised approach.
Ämnesord
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Medieteknik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Media and Communication Technology (hsv//eng)
Nyckelord
- data annotation
- weakly supervised learning
- smartphone activity recognition
- Pervasive Mobile Computing
- Distribuerade datorsystem
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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