2017
DOI: 10.3745/ktsde.2017.6.1.29
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A Study on Meal Time Estimation and Eating Behavior Recognition Considering Movement Using Wrist-Worn Accelerometer with Its Frequency

Abstract: In this paper, we propose a method for recognizing eating behavior with almost no motion acceleration. First, by using the acceleration of gravity acting on the wrist direction, we calculate the angle between the gravity and the wrist direction. After that, detect wrist reciprocating motion when peak and vally exist in specific angle band. And then, when accumulate the number of wrist reciprocating motion occurrences are up to 10, then regard as the meal time 5 minutes before the detection time. Also, estimate… Show more

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