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• W2896463661 abstract "Human conversation analysis is challenging because the meaning can be expressed through words, intonation, or even body language and facial expression. We introduce a hierarchical encoder-decoder structure with attention mechanism for conversation analysis. The hierarchical encoder learns word-level features from video, audio, and text data that are then formulated into conversation-level features. The corresponding hierarchical decoder is able to predict different attributes at given time instances. To integrate multiple sensory inputs, we introduce a novel fusion strategy with modality attention. We evaluated our system on published emotion recognition, sentiment analysis, and speaker trait analysis datasets. Our system outperformed previous state-of-the-art approaches in both classification and regressions tasks on three datasets. We also outperformed previous approaches in generalization tests on two commonly used datasets. We achieved comparable performance in predicting co-existing labels using the proposed model instead of multiple individual models. In addition, the easily-visualized modality and temporal attention demonstrated that the proposed attention mechanism helps feature selection and improves model interpretability." @default.
• W2896463661 created "2018-10-26" @default.
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• W2896463661 date "2018-10-15" @default.
• W2896463661 modified "2023-10-01" @default.
• W2896463661 title "Human Conversation Analysis Using Attentive Multimodal Networks with Hierarchical Encoder-Decoder" @default.
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• W2896463661 doi "https://doi.org/10.1145/3240508.3240714" @default.
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