Target-oriented Multimodal Sentiment Classification with Counterfactual-enhanced Debiasing

• URL: http://arxiv.org/abs/2509.09160v1
• Date: Thu, 11 Sep 2025 05:40:53 GMT
• Title: Target-oriented Multimodal Sentiment Classification with Counterfactual-enhanced Debiasing
• Authors: Zhiyue Liu, Fanrong Ma, Xin Ling,
• Abstract summary: multimodal sentiment classification seeks to predict sentiment polarity for specific targets from image-text pairs.<n>Existing works often over-rely on textual content and fail to consider dataset biases.<n>We introduce a novel counterfactual-enhanced debiasing framework to reduce such spurious correlations.
• Score: 5.0175188046562385
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Target-oriented multimodal sentiment classification seeks to predict sentiment polarity for specific targets from image-text pairs. While existing works achieve competitive performance, they often over-rely on textual content and fail to consider dataset biases, in particular word-level contextual biases. This leads to spurious correlations between text features and output labels, impairing classification accuracy. In this paper, we introduce a novel counterfactual-enhanced debiasing framework to reduce such spurious correlations. Our framework incorporates a counterfactual data augmentation strategy that minimally alters sentiment-related causal features, generating detail-matched image-text samples to guide the model's attention toward content tied to sentiment. Furthermore, for learning robust features from counterfactual data and prompting model decisions, we introduce an adaptive debiasing contrastive learning mechanism, which effectively mitigates the influence of biased words. Experimental results on several benchmark datasets show that our proposed method outperforms state-of-the-art baselines.

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