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Experiences in Building a Real-World Eating Recogniser

Published: 19 June 2017 Publication History

Abstract

In this paper, we describe the progressive design of the gesture recognition module of an automated food journaling system -- Annapurna. Annapurna runs on a smartwatch and utilises data from the inertial sensors to first identify eating gestures, and then captures food images which are presented to the user in the form of a food journal. We detail the lessons we learnt from multiple in-the-wild studies, and show how eating recognizer is refined to tackle challenges such as (i) high gestural diversity, and (ii) non-eating activities with similar gestural signatures. Annapurna is finally robust (identifying eating across a wide diversity in food content, eating styles and environments) and accurate (false-positive and false-negative rates of 6.5% and 3.3% respectively)

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cover image ACM Conferences
WPA '17: Proceedings of the 4th International on Workshop on Physical Analytics
June 2017
50 pages
ISBN:9781450349581
DOI:10.1145/3092305
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 ACM 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: 19 June 2017

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Author Tags

  1. activity recognition
  2. eating detection
  3. food journaling
  4. smartwatch

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  • Research-article

Funding Sources

  • National Research Foundation, Prime Minister's Office, Singapore
  • Singapore Ministry of Education Academic Research Fund Tier 2

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MobiSys'17
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Overall Acceptance Rate 11 of 17 submissions, 65%

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