Abstract
Smart home is regarded as an independent healthy living for elderly person and it demands active research in activity recognition. This paper proposes kernel fusion method, using Support Vector Machine (SVM) in order to improve the accuracy of performed activities. Although, SVM is a powerful statistical technique, but still suffer from the expected level of accuracy due to complex feature space. Designing a new kernel function is difficult task, while common available kernel functions are not adequate for the activity recognition domain to achieve high accuracy. We introduce a method, to train the different SVMs independently over the standard kernel functions and fuse the individual results on the decision level to increase the confidence of each activity class. The proposed approach has been evaluated on ten different kinds of activities from CASAS smart home (Tulum 2009) real world dataset. We compare our SVM kernel fusion approach with the standard kernel functions and get overall accuracy of 91.41 %.
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Acknowledgments
This research was supported by the The Ministry of Knowledge Economy (MKE), Korea under the Information Technology Research Center (ITRC) support program supervised by the National Industry Promotion Agency (NIPA) [NIPA-2010-(C1090-1021-0003)].
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Fahim, M., Fatima, I., Lee, S., Lee, YK. (2012). Activity Recognition Based on SVM Kernel Fusion in Smart Home. In: Yeo, SS., Pan, Y., Lee, Y., Chang, H. (eds) Computer Science and its Applications. Lecture Notes in Electrical Engineering, vol 203. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5699-1_29
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DOI: https://doi.org/10.1007/978-94-007-5699-1_29
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