5th International ICST Conference on Pervasive Computing Technologies for Healthcare

Research Article

Acoustical Method for Objective Food Intake Monitoring Using a Wearable Sensor System

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  • @INPROCEEDINGS{10.4108/icst.pervasivehealth.2011.246029,
        author={Sebastian P\aa{}\`{a}ler and Wolf-Joachim Fischer},
        title={Acoustical Method for Objective Food Intake Monitoring Using a Wearable Sensor System},
        proceedings={5th International ICST Conference on Pervasive Computing Technologies for Healthcare},
        publisher={IEEE},
        proceedings_a={PERVASIVEHEALTH},
        year={2012},
        month={7},
        keywords={chewing sound dietary protocol food intake model},
        doi={10.4108/icst.pervasivehealth.2011.246029}
    }
    
  • Sebastian Päßler
    Wolf-Joachim Fischer
    Year: 2012
    Acoustical Method for Objective Food Intake Monitoring Using a Wearable Sensor System
    PERVASIVEHEALTH
    ICST
    DOI: 10.4108/icst.pervasivehealth.2011.246029
Sebastian Päßler1,*, Wolf-Joachim Fischer1
  • 1: Fraunhofer IPMS
*Contact email: sebastian.paessler@ipms.fraunhofer.de

Abstract

A method for non-invasive monitoring of human food intake behavior and long-term dietary protocol has been developed by the sole use of chewing and swallowing sound sensors. A hierarchical model of daily food intake is introduced for dietary protocol. Microphones were found to be more useable for this recording task than accelerometers. Hence a novel sensor system has been built containing two microphones in a hearing aid case in order to record chewing and swallowing sounds in the ear canal and environmental noise, respectively. Records of the intake sounds of 51 participants consuming seven types of food and one drink were taken for the development of detection and classification algorithms.