software . 2020

NeckSense: A Multi-Sensor Necklace for Detecting Eating Activities in Free-Living Conditions (Data and Code)

Shibo Zhang; Yuqi Zhao; Dzung Tri Nguyen; Runsheng Xu; Sougata Sen; Josiah Hester; Nabil Alshurafa;
Open Source English
  • Published: 01 Jan 2020
  • Publisher: Zenodo
Abstract
We present the design, implementation, and evaluation of a multi-sensor, low-power, necklace NeckSense, for automatically and unobtrusively capturing fine-grained information about an individual's eating activity and eating episodes, across an entire waking day in a naturalistic setting. NeckSense fuses and classifies the proximity of the necklace from the chin, the ambient light, the Lean Forward Angle, and the energy signals to determine chewing sequences, a building block of the eating activity. It then clusters the identified chewing sequences to determine eating episodes. We tested NeckSense on 11 participants with and 9 participants without obesity, ac...
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Subjects
free text keywords: eating activity detection, automated dietary monitoring, human activity recognition, wearable, neck-worn sensor, sensor fusion, free-living studies
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Software . 2020
Provider: Zenodo
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