The automatic detection of chronic pain-related expression: requirements, challenges and a multimodal dataset

Aung, Min S.H. and Kaltwang, Sebastian and Romera-Paredes, Bernardino and Martinez, Brais and Singh, Aneesha and Cella, Matteo and Valstar, Michel F. and Meng, Hongying and Kemp, Andrew and Shafizadeh, Moshen and Elkins, Aaron and Kanakam, Natalie and Rothschild, Amshal de and Tyler, Nick and Watson, Paul J. and Williams, Amanda C. de C. and Pantic, Maja and Bianchi-Berthouze, Nadia (2015) The automatic detection of chronic pain-related expression: requirements, challenges and a multimodal dataset. IEEE Transactions on Affective Computing, 99 . pp. 1-18. ISSN 1949-3045

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Abstract

Pain-related emotions are a major barrier to effective self rehabilitation in chronic pain. Automated coaching systems capable of detecting these emotions are a potential solution. This paper lays the foundation for the development of such systems by making three contributions. First, through literature reviews, an overview of how chronic pain is expressed and the motivation for detecting it in physical rehabilitation is provided. Second, a fully labelled multimodal dataset containing high resolution multiple-view face videos, head mounted and room audio signals, full body 3-D motion capture and electromyographic signals from back muscles is supplied. Natural unconstrained pain related facial expressions and body movement behaviours were elicited from people with chronic pain carrying out physical exercises. Both instructed and non- instructed exercises where considered to reflect different rehabilitation scenarios. Two sets of labels were assigned: level of pain from facial expressions annotated by eight raters and the occurrence of six pain-related body behaviours segmented by four experts. Third, through exploratory experiments grounded in the data, the factors and challenges in the automated recognition of such expressions and behaviour are described, the paper concludes by discussing potential avenues in the context of these findings also highlighting differences for the two exercise scenarios addressed.

Item Type: Article
Additional Information: (c)2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Keywords: Chronic Low Back Pain, Emotion, Pain Behaviour, Body Movement, Facial Expression, Surface Electromyography, Motion Capture, Automatic Emotion Recognition, Multimodal Database
Schools/Departments: University of Nottingham UK Campus > Faculty of Science > School of Computer Science
Identification Number: https://doi.org/10.1109/TAFFC.2015.2462830
Depositing User: Valstar, Michel
Date Deposited: 21 Jan 2016 12:12
Last Modified: 14 Sep 2016 03:02
URI: http://eprints.nottingham.ac.uk/id/eprint/31308

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