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PromptSync: Bridging Domain Gaps in Vision-Language Models through Class-Aware Prototype Alignment and Discrimination
April 12, 2024, 4:45 a.m. | Anant Khandelwal
cs.CV updates on arXiv.org arxiv.org
Abstract: The potential for zero-shot generalization in vision-language (V-L) models such as CLIP has spurred their widespread adoption in addressing numerous downstream tasks. Previous methods have employed test-time prompt tuning to adapt the model to unseen domains, but they overlooked the issue of imbalanced class distributions. In this study, we explicitly address this problem by employing class-aware prototype alignment weighted by mean class probabilities obtained for the test sample and filtered augmented views. Additionally, we ensure …
abstract adapt adoption alignment arxiv class clip cs.cl cs.cv discrimination domain domains issue language language models prompt prompt tuning tasks test through type vision vision-language models zero-shot
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