Eating habits monitoring using wireless wearable in-ear microphone
Nishimura, J.
Kuroda, T.
Dept. of Electron. & Electr. Eng., Keio Univ., Yokohama;
This paper appears in: Wireless Pervasive Computing, 2008. ISWPC 2008. 3rd International Symposium on
Publication Date: 7-9 May 2008
On page(s): 130-132
Location: Santorini,
ISBN: 978-1-4244-1652-3
INSPEC Accession Number: 10073041
Digital Object Identifier: 10.1109/ISWPC.2008.4556181
Current Version Published: 2008-07-02
Abstract
To realize ubiquitous eating habits monitoring, we proposed the use of chewing sound sensed by an in-ear placed wireless wearable microphone. A prototype of wireless wearable in-ear microphone was developed by utilizing a common Bluetooth headset. We proposed robust chewing number counting algorithm which consists of two recognition stages: ldquochew-likerdquo signal detection and chewing verification stage. As a result, average chewing number counting error rate of 1.93% was achieved. Lastly, chewing sound mapping was proposed to provide an additional intuitive feedback for users to be able to infer the eating habits in their daily life context.
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