FSRF: Factorization-guided Semantic Recovery for Incomplete Multimodal Sentiment Analysis

• URL: http://arxiv.org/abs/2510.16086v1
• Date: Fri, 17 Oct 2025 15:35:00 GMT
• Title: FSRF: Factorization-guided Semantic Recovery for Incomplete Multimodal Sentiment Analysis
• Authors: Ziyang Liu, Pengjunfei Chu, Shuming Dong, Chen Zhang, Mingcheng Li, Jin Wang,
• Abstract summary: Multimodal Sentiment Analysis (MSA) has become a research hotspot that aims to utilize multimodal data for human sentiment understanding.<n>Previous MSA studies have mainly focused on performing interaction and fusion on complete multimodal data.<n>We propose a Factorization-guided Semantic Recovery Framework (FSRF) to mitigate the modality missing problem in the MSA task.
• Score: 15.96435347342821
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In recent years, Multimodal Sentiment Analysis (MSA) has become a research hotspot that aims to utilize multimodal data for human sentiment understanding. Previous MSA studies have mainly focused on performing interaction and fusion on complete multimodal data, ignoring the problem of missing modalities in real-world applications due to occlusion, personal privacy constraints, and device malfunctions, resulting in low generalizability. To this end, we propose a Factorization-guided Semantic Recovery Framework (FSRF) to mitigate the modality missing problem in the MSA task. Specifically, we propose a de-redundant homo-heterogeneous factorization module that factorizes modality into modality-homogeneous, modality-heterogeneous, and noisy representations and design elaborate constraint paradigms for representation learning. Furthermore, we design a distribution-aligned self-distillation module that fully recovers the missing semantics by utilizing bidirectional knowledge transfer. Comprehensive experiments on two datasets indicate that FSRF has a significant performance advantage over previous methods with uncertain missing modalities.

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