NDLI: Detecting anomalous activities by fusion of accelerometer and passive infrared sensor

Content Provider	IEEE Xplore Digital Library
Author	Fukumoto, Y. Castanedo, F. Aghajan, H.
Copyright Year	2013
Description	Author affiliation: Sony Corp., Tokyo, Japan (Fukumoto, Y.) \|\| Stanford Univ., Stanford, CA, USA (Aghajan, H.) \|\| Wise Athena, San Francisco, CA, USA (Castanedo, F.)
Abstract	In ambient intelligence environment, cameras serve as interface or monitoring devices for user activities. However, the use of cameras is often associated with privacy concerns and resource limitations. In order to alleviate these problems, anomaly detection by fusion of an accelerometer and a passive infrared (PIR) sensor can be employed to trigger the corresponding camera for further analysis only as the need arises. This paper discusses the combination of these off-the-shelf sensors to detect specific anomalous activities. In particular, an example of detecting an irregular user in the work environment is presented. We describe how to extract expressive features from both modalities and combine them to train a classifier on highly imbalanced datasets. The experimental results over real-life data show the effectiveness of our approach in detecting anomalous activities and therefore potentially reducing the use of cameras.
Starting Page	1
Ending Page	6
File Size	815988
Page Count	6
File Format	PDF
ISBN	9781479921645
DOI	10.1109/ICDSC.2013.6778237
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accelerometers Cameras Feature extraction Acceleration Decision trees Monitoring Biological neural networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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