Attentive Cross-modal Connections for Deep Multimodal Wearable-based Emotion Recognition

• URL: http://arxiv.org/abs/2108.02241v1
• Date: Wed, 4 Aug 2021 18:40:32 GMT
• Title: Attentive Cross-modal Connections for Deep Multimodal Wearable-based Emotion Recognition
• Authors: Anubhav Bhatti, Behnam Behinaein, Dirk Rodenburg, Paul Hungler, Ali Etemad
• Abstract summary: We present a novel attentive cross-modal connection to share information between convolutional neural networks. Specifically, these connections improve emotion classification by sharing intermediate representations among EDA and ECG. Our experiments show that the proposed approach is capable of learning strong multimodal representations and outperforms a number of baselines methods.
• Score: 7.559720049837459
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Classification of human emotions can play an essential role in the design and improvement of human-machine systems. While individual biological signals such as Electrocardiogram (ECG) and Electrodermal Activity (EDA) have been widely used for emotion recognition with machine learning methods, multimodal approaches generally fuse extracted features or final classification/regression results to boost performance. To enhance multimodal learning, we present a novel attentive cross-modal connection to share information between convolutional neural networks responsible for learning individual modalities. Specifically, these connections improve emotion classification by sharing intermediate representations among EDA and ECG and apply attention weights to the shared information, thus learning more effective multimodal embeddings. We perform experiments on the WESAD dataset to identify the best configuration of the proposed method for emotion classification. Our experiments show that the proposed approach is capable of learning strong multimodal representations and outperforms a number of baselines methods.

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