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Empirical Mode Decomposition of Throat Microphone Recordings for Intake Classification

Published: 23 October 2017 Publication History

Abstract

Wearable sensor systems can deliver promising solutions to automatic monitoring of ingestive behavior. This study presents an on-body sensor system and related signal processing techniques to classify different types of food intake sounds. A piezoelectric throat microphone is used to capture food consumption sounds from the neck. The recorded signals are firstly segmented and decomposed using the empirical mode decomposition (EMD) analysis. EMD has been a widely implemented tool to analyze non-stationary and non-linear signals by decomposing data into a series of sub-band oscillations known as intrinsic mode functions (IMFs). For each decomposed IMF signal, time and frequency domain features are then computed to provide a multi-resolution representation of the signal. The minimum redundancy maximum relevance (mRMR) principle is utilized to investigate the most representative features for the food intake classification task, which is carried out using the support vector machines. Experimental evaluations over selected groups of features and EMD achieve significant performance improvements compared to the baseline classification system without EMD.

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Cited By

View all
  • (2023)First Bite/Chew: distinguish different types of food by first biting/chewing and the corresponding hand movementExtended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems10.1145/3544549.3585845(1-7)Online publication date: 19-Apr-2023
  • (2023)Detection of Fluid Intake Swallowing Events Using Acoustic Signals and Template Matching2023 IEEE 23rd International Conference on Bioinformatics and Bioengineering (BIBE)10.1109/BIBE60311.2023.00072(403-408)Online publication date: 4-Dec-2023
  • (2023)Passive Sensors for Detection of Food IntakeEncyclopedia of Sensors and Biosensors10.1016/B978-0-12-822548-6.00086-8(218-234)Online publication date: 2023
  • Show More Cited By

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cover image ACM Conferences
MMHealth '17: Proceedings of the 2nd International Workshop on Multimedia for Personal Health and Health Care
October 2017
104 pages
ISBN:9781450355049
DOI:10.1145/3132635
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Publication History

Published: 23 October 2017

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Author Tags

  1. dietary monitoring
  2. empirical mode decomposition
  3. food intake classification
  4. throat microphone
  5. wearable sensor minimum redundancy maximum relevance

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MM '17: ACM Multimedia Conference
October 23, 2017
California, Mountain View, USA

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Cited By

View all
  • (2023)First Bite/Chew: distinguish different types of food by first biting/chewing and the corresponding hand movementExtended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems10.1145/3544549.3585845(1-7)Online publication date: 19-Apr-2023
  • (2023)Detection of Fluid Intake Swallowing Events Using Acoustic Signals and Template Matching2023 IEEE 23rd International Conference on Bioinformatics and Bioengineering (BIBE)10.1109/BIBE60311.2023.00072(403-408)Online publication date: 4-Dec-2023
  • (2023)Passive Sensors for Detection of Food IntakeEncyclopedia of Sensors and Biosensors10.1016/B978-0-12-822548-6.00086-8(218-234)Online publication date: 2023
  • (2022)Sensoring the Neck: Classifying Movements and Actions with a Neck-Mounted Wearable DeviceSensors10.3390/s2212431322:12(4313)Online publication date: 7-Jun-2022
  • (2021)Domain Adaptation for Food Intake Classification With Teacher/Student LearningIEEE Transactions on Multimedia10.1109/TMM.2020.303831523(4220-4231)Online publication date: 2021
  • (2021)Piezoelectric Throat Microphone Based Voice Analysis2021 7th International Conference on Advanced Computing and Communication Systems (ICACCS)10.1109/ICACCS51430.2021.9441880(1603-1608)Online publication date: 19-Mar-2021

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