Recognizing Emotions in Video Using Multimodal DNN Feature Fusion

Jennifer Williams, Steven Kleinegesse, Ramona Comanescu, Oana Radu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present our system description of input-level multimodal fusion of audio, video, and text for recognition of emotions and their intensities for the 2018 First Grand Challenge on Computational Modeling of Human Multimodal Language. Our proposed approach is based on input-level feature fusion with sequence learning from Bidirectional Long-Short Term Memory (BLSTM) deep neural networks (DNNs). We show
that our fusion approach outperforms unimodal predictors. Our system performs 6-way simultaneous classification and regression, allowing for overlapping emotion labels in a video segment. This leads to an
overall binary accuracy of 90%, overall 4-class accuracy of 89.2% and an overall mean-absolute-error (MAE) of 0.12. Our work shows that an early fusion technique can effectively predict the presence of multi-label emotions as well as their coarsegrained intensities. The presented multimodal approach creates a simple and robust baseline on this new Grand Challenge dataset. Furthermore, we provide a detailed analysis of emotion intensity distributions as output from our DNN, as well as a related discussion concerning the inherent difficulty of this task.
Original languageEnglish
Title of host publicationProceedings of Grand Challenge and Workshop on Human Multimodal Language (Challenge-HML)
PublisherAssociation for Computational Linguistics
Pages11-19
Number of pages9
Publication statusPublished - Jul 2018
EventGrand Challenge and Workshop on Human Multimodal Language - Melbourne, Australia
Duration: 20 Jul 201820 Jul 2018
http://multicomp.cs.cmu.edu/acl2018multimodalchallenge/

Conference

ConferenceGrand Challenge and Workshop on Human Multimodal Language
Abbreviated titleACL 2018
Country/TerritoryAustralia
CityMelbourne
Period20/07/1820/07/18
Internet address

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