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2011 IEEE 17th International Conference on Embedded and Real-Time Computing Systems and Applications
Feature Selection and Activity Recognition to Detect Water Waste from Water Tap Usage
Toyama, Japan
August 28-August 31
ISBN: 978-0-7695-4502-8
In this paper, water tap usage is examined based on water sound analysis. We focus on detecting gwater wasteh to make persuasion of water savings effective, where two types of water waste are defined: inter-activity water waste and intra-activity water waste. Based on a preliminary user survey, four types of basin-related activities are identified that occur with water waste. We apply a spectrum subtraction method for feature selection and propose cascaded classifiers for activity recognition. The result of an evaluation presents that the aggregate accuracies to identify inter-activity water waste and intra-activity one are 100.0 % and 81.1%, respectively.
Citation:
Trang Thuy Vu, Akifumi Sokan, Hironori Nakajo, Kaori Fujinami, Jaakko Suutala, Pekka Siirtola, Tuomo Alasalmi, Ari Pitkänen, Juha Röning, "Feature Selection and Activity Recognition to Detect Water Waste from Water Tap Usage," rtcsa, vol. 2, pp.138-141, 2011 IEEE 17th International Conference on Embedded and Real-Time Computing Systems and Applications, 2011
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