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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.00067 |
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| _version_ | 1866915761538203648 |
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| author | Li, Zhixing Khoee, Arsham Gholamzadeh Yu, Yinan |
| author_facet | Li, Zhixing Khoee, Arsham Gholamzadeh Yu, Yinan |
| contents | The objective of domain generalization (DG) is to enable models to be robust against domain shift. DG is crucial for deploying vision-language models (VLMs) in real-world applications, yet most existing methods rely on domain labels that may not be available and often ambiguous. We instead study the DG setting where models must generalize well without access to explicit domain labels. Our key idea is to represent an unseen target domain as a combination of latent domains automatically discovered from training data, enabling the model to adaptively transfer knowledge across domains. To realize this, we perform latent domain clustering on image features and fuse domain-specific text features based on the similarity between the input image and each latent domain. Experiments on four benchmarks show that this strategy yields consistent gains over VLM-based baselines and provides new insights into improving robustness under domain shift. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_00067 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Latent Domain Prompt Learning for Vision-Language Models Li, Zhixing Khoee, Arsham Gholamzadeh Yu, Yinan Machine Learning Artificial Intelligence The objective of domain generalization (DG) is to enable models to be robust against domain shift. DG is crucial for deploying vision-language models (VLMs) in real-world applications, yet most existing methods rely on domain labels that may not be available and often ambiguous. We instead study the DG setting where models must generalize well without access to explicit domain labels. Our key idea is to represent an unseen target domain as a combination of latent domains automatically discovered from training data, enabling the model to adaptively transfer knowledge across domains. To realize this, we perform latent domain clustering on image features and fuse domain-specific text features based on the similarity between the input image and each latent domain. Experiments on four benchmarks show that this strategy yields consistent gains over VLM-based baselines and provides new insights into improving robustness under domain shift. |
| title | Latent Domain Prompt Learning for Vision-Language Models |
| topic | Machine Learning Artificial Intelligence |
| url | https://arxiv.org/abs/2511.00067 |