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EmotionIC: Emotional Inertia and Contagion-Driven Dependency Modeling for Emotion Recognition in Conversation


Khái niệm cốt lõi
EmotionIC proposes a novel approach integrating emotional inertia and contagion-driven dependency modeling for emotion recognition in conversation, outperforming existing models on benchmark datasets.
Tóm tắt

The paper introduces EmotionIC, a model for Emotion Recognition in Conversation (ERC), consisting of Identity Masked Multi-Head Attention (IMMHA), Dialogue-based Gated Recurrent Unit (DiaGRU), and Skip-chain Conditional Random Field (SkipCRF). It effectively captures emotional flows at both feature-extraction and classification levels. The proposed model combines attention- and recurrence-based methods to enhance contextual understanding. Experimental results show superior performance on four benchmark datasets compared to state-of-the-art models.

  1. Introduction

    • ERC aims to identify emotions in conversations.
    • Contextual information is crucial for accurate emotion recognition.
  2. Related Work

    • Various methods like graph-based, recurrence-based, and attention-based have been used for contextual information encoding.
    • Existing models struggle with capturing long-distance dependencies effectively.
  3. Our Approach

    • IMMHA captures global contextual dependencies based on speaker identity.
    • DiaGRU focuses on local intra- and inter-speaker dependencies.
    • SkipCRF explicitly models emotional flows at the classification level.
  4. Experimental Settings

    • Evaluation metrics include weighted F1, accuracy, macro-F1, and micro-F1.
    • Datasets used are IEMOCAP, DailyDialog, MELD, and EmoryNLP.
  5. Results and Analysis

    • EmotionIC outperforms baseline models across all datasets.
    • Performance improvements attributed to effective modeling of emotional inertia and contagion.
  6. Analysis for Confusion Matrices

    • Confusion matrices depict the distribution of predicted emotions compared to ground truth across different datasets.
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Thống kê
"Experimental results demonstrate that our EmotionIC outperforms all baseline methods." "The proposed model combines attention- and recurrence-based methods to enhance contextual understanding."
Trích dẫn
"No longer limited by recent utterances, our model captures complex emotional interactions." "Our method significantly outperforms state-of-the-art models on benchmark datasets."

Thông tin chi tiết chính được chắt lọc từ

by Yingjian Liu... lúc arxiv.org 03-21-2024

https://arxiv.org/pdf/2303.11117.pdf
EmotionIC

Yêu cầu sâu hơn

How can the integration of higher-order dependencies further improve emotion recognition?

Integrating higher-order dependencies in emotion recognition models, as demonstrated in the Skip-chain Conditional Random Field (SkipCRF) approach in this study, can enhance the understanding of complex emotional interactions in conversations. By considering not only direct neighboring utterances but also indirect or higher-order connections between participants, the model can capture more nuanced emotional flows and dependencies. This allows for a more comprehensive analysis of how emotions evolve and influence each other over time within a conversation. The inclusion of higher-order dependencies enables the model to better represent the dynamics of emotional contagion and inertia, leading to improved accuracy in recognizing and classifying emotions.

What potential biases or limitations could arise from relying heavily on speaker identity information?

Relying heavily on speaker identity information for emotion recognition may introduce certain biases or limitations that need to be carefully considered. One potential bias is related to stereotyping based on preconceived notions about specific speakers or groups of speakers. If certain identities are associated with particular emotions or behaviors, it could lead to inaccuracies in emotion classification when those stereotypes do not hold true for individual instances. Another limitation is privacy concerns regarding the use of personal data such as speaker identities. In some contexts, using speaker identity information without consent or proper anonymization measures could raise ethical issues around data protection and confidentiality. Additionally, an overemphasis on speaker identity may overshadow other important contextual factors that contribute to emotional expressions. Emotions are influenced by various aspects beyond just who is speaking, including situational context, tone of voice, body language, and cultural nuances. Focusing solely on speaker identity might overlook these crucial elements and result in a narrow interpretation of emotions.

How might the findings of this study impact the development of empathic AI systems?

The findings from this study have significant implications for enhancing empathic AI systems by improving their ability to recognize and respond to human emotions effectively. By incorporating models like EmotionIC that consider emotional inertia and contagion-driven dependency modeling at both feature-extraction and classification levels, AI systems can better understand subtle nuances in human communication. These advancements can lead to more empathetic responses from AI systems during interactions with users. Understanding emotional flows within conversations allows AI systems to adapt their responses based on evolving sentiments expressed by individuals throughout a dialogue. Furthermore, by integrating higher-order dependencies into emotion recognition models as demonstrated in Skip-chain CRF approach here helps create more sophisticated algorithms capable of capturing complex emotional interactions among multiple participants simultaneously - essential for developing truly empathetic AI systems that can navigate intricate social dynamics with sensitivity and understanding.
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