Abstract
Activities of Daily Living (ADL) recognition through wearable devices is an emerging research field. While, for many applications, recognition methods are faced with simultaneously dynamic changes in feature dimension, activity class and data distribution. Existing approaches mainly handle at most one of these three challenges, which significantly affects their performance. In this paper, we propose an Opportunistic Computing model for wEarable Activity recognitioN (OCEAN); by fusing random mapping, fuzzy clustering, and weight updating techniques, OCEAN can online adaptively adjust Single-hidden Layer Feedforward neural network's connection, structure and weight in a coherent manner. Experimental evaluations demonstrate that OCEAN improves the recognition accuracy by 5% to 15% compared to traditional approaches towards dynamic changes.
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