Robust Multimodal Semantic Segmentation with Balanced Modality Contributions

Fuente: arXiv
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Autori principali: Tan, Jiaqi, Zheng, Xu, Li, Fangyu, Liu, Yang
Natura: Preprint
Pubblicazione: 2025
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author Tan, Jiaqi
Zheng, Xu
Li, Fangyu
Liu, Yang
author_facet Tan, Jiaqi
Zheng, Xu
Li, Fangyu
Liu, Yang
contents Multimodal semantic segmentation enhances model robustness by exploiting cross-modal complementarities. However, existing methods often suffer from imbalanced modal dependencies, where overall performance degrades significantly once a dominant modality deteriorates in real-world scenarios. Thus, modality balance has become acritical challenge for practical multimodal segmentation. To address this issue, we propose EQUISeg, a multimodal segmentation framework that balances modality contributions through equal encoding of modalities. Built upon a four-stage Cross-modal Transformer Block(CMTB), EQUISeg enables efficient multimodal fusion and hierarchical selection. Furthermore, we design a Self-guided Module(SGM) that mitigates modality imbalance by introducing a mutual guidance mechanism, enabling each modality to adaptively adjust its contribution and enhance robustness under degraded conditions. Extensive experiments on multiple datasets demonstrate that EQUISeg achieves significant performance gains and effectively alleviates the adverse effects of modality imbalance in segmentation tasks.
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id arxiv_https___arxiv_org_abs_2509_24505
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Robust Multimodal Semantic Segmentation with Balanced Modality Contributions
Tan, Jiaqi
Zheng, Xu
Li, Fangyu
Liu, Yang
Computer Vision and Pattern Recognition
Multimodal semantic segmentation enhances model robustness by exploiting cross-modal complementarities. However, existing methods often suffer from imbalanced modal dependencies, where overall performance degrades significantly once a dominant modality deteriorates in real-world scenarios. Thus, modality balance has become acritical challenge for practical multimodal segmentation. To address this issue, we propose EQUISeg, a multimodal segmentation framework that balances modality contributions through equal encoding of modalities. Built upon a four-stage Cross-modal Transformer Block(CMTB), EQUISeg enables efficient multimodal fusion and hierarchical selection. Furthermore, we design a Self-guided Module(SGM) that mitigates modality imbalance by introducing a mutual guidance mechanism, enabling each modality to adaptively adjust its contribution and enhance robustness under degraded conditions. Extensive experiments on multiple datasets demonstrate that EQUISeg achieves significant performance gains and effectively alleviates the adverse effects of modality imbalance in segmentation tasks.
title Robust Multimodal Semantic Segmentation with Balanced Modality Contributions
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2509.24505