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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/13466

Title: High Performance Activity Recognition Framework for Ambient Assisted Living in The Home Network Environment
Authors: Wongpatikaseree, Konlakorn
Lim, Azman Osman
Ikeda, Mitsuru
Tan, Yasuo
Keywords: activity recognition
context sensor network
human posture
range-based algorithm
ontology-based activity recognition
activity's location in activity log
Issue Date: 2014
Publisher: The Institute of Electronics, Information and Communication Engineers
Magazine name: IEICE Transactions on Communication
Volume: E97-B
Number: 9
Start page: 1766
End page: 1778
DOI: 10.1587/transcom.E97.B.1766
Abstract: Activity recognition has recently been playing an important role in several research domains, especially within the healthcare system. It is important for physicians to know what their patients do in daily life. Nevertheless, existing research work has failed to adequately identify human activity because of the variety of human lifestyles. To address this shortcoming, we propose the high performance activity recognition framework by introducing a new user context and activity location in the activity log (AL^2). In this paper, the user's context is comprised by context-aware infrastructure and human posture. We propose a context sensor network to collect information from the surronding home environment. We also propose a range-based algorithm to classify human posture for combination with the traditional user's context. For recognition process, ontology-based activity recognition (OBAR) is developed. The ontology concept is the main approach that uses to define the semantic information and model human activity in OBAR. We also introduce a new activity log ontology, called AL^2 for investigating activities that occur at the user's location at that time. Through experimental studies, the results reveal that the proposed context-aware activity recognition engine architecture can achieve an anverage accuracy of 96.60%
Rights: Copyright (C) 2014 The Institute of Electronics, Information and Communication Engineers. Konlakorn Wongpatikaseree, Azman Osman Lim, Mitsuru Ikeda, and Yasuo Tan, IEICE Transactions on Communication, E97-B(9), 2014, 1766-1778. http://dx.doi.org/10.1587/transcom.E97.B.1766
URI: http://hdl.handle.net/10119/13466
Material Type: publisher
Appears in Collections:b10-1. 雑誌掲載論文 (Journal Articles)

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