Multi-modal Residual Perceptron Network for Audio-Video Emotion Recognition

• URL: http://arxiv.org/abs/2107.10742v1
• Date: Wed, 21 Jul 2021 13:11:37 GMT
• Title: Multi-modal Residual Perceptron Network for Audio-Video Emotion Recognition
• Authors: Xin Chang and W{\l}adys{\l}aw Skarbek
• Abstract summary: We propose a multi-modal Residual Perceptron Network (MRPN) which learns from multi-modal network branches creating deep feature representation with reduced noise. For the proposed MRPN model and the novel time augmentation for streamed digital movies, the state-of-art average recognition rate was improved to 91.4%.
• Score: 0.22843885788439797
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Emotion recognition is an important research field for Human-Computer Interaction(HCI). Audio-Video Emotion Recognition (AVER) is now attacked with Deep Neural Network (DNN) modeling tools. In published papers, as a rule, the authors show only cases of the superiority of multi modalities over audio-only or video-only modalities. However, there are cases superiority in single modality can be found. In our research, we hypothesize that for fuzzy categories of emotional events, the higher noise of one modality can amplify the lower noise of the second modality represented indirectly in the parameters of the modeling neural network. To avoid such cross-modal information interference we define a multi-modal Residual Perceptron Network (MRPN) which learns from multi-modal network branches creating deep feature representation with reduced noise. For the proposed MRPN model and the novel time augmentation for streamed digital movies, the state-of-art average recognition rate was improved to 91.4% for The Ryerson Audio-Visual Database of Emotional Speech and Song(RAVDESS) dataset and to 83.15% for Crowd-sourced Emotional multi-modal Actors Dataset(Crema-d). Moreover, the MRPN concept shows its potential for multi-modal classifiers dealing with signal sources not only of optical and acoustical type.

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