Learning Semantic-Aware Representation in Visual-Language Models for Multi-Label Recognition with Partial Labels

• URL: http://arxiv.org/abs/2412.10843v1
• Date: Sat, 14 Dec 2024 14:31:36 GMT
• Title: Learning Semantic-Aware Representation in Visual-Language Models for Multi-Label Recognition with Partial Labels
• Authors: Haoxian Ruan, Zhihua Xu, Zhijing Yang, Yongyi Lu, Jinghui Qin, Tianshui Chen,
• Abstract summary: Multi-label recognition with partial labels (MLR-PL) is a practical task in computer vision. We introduce a semantic decoupling module and a category-specific prompt optimization method in CLIP-based framework. Our method effectively separates information from different categories and achieves better performance compared to CLIP-based baseline method.
• Score: 19.740929527669483
• License:
• Abstract: Multi-label recognition with partial labels (MLR-PL), in which only some labels are known while others are unknown for each image, is a practical task in computer vision, since collecting large-scale and complete multi-label datasets is difficult in real application scenarios. Recently, vision language models (e.g. CLIP) have demonstrated impressive transferability to downstream tasks in data limited or label limited settings. However, current CLIP-based methods suffer from semantic confusion in MLR task due to the lack of fine-grained information in the single global visual and textual representation for all categories. In this work, we address this problem by introducing a semantic decoupling module and a category-specific prompt optimization method in CLIP-based framework. Specifically, the semantic decoupling module following the visual encoder learns category-specific feature maps by utilizing the semantic-guided spatial attention mechanism. Moreover, the category-specific prompt optimization method is introduced to learn text representations aligned with category semantics. Therefore, the prediction of each category is independent, which alleviate the semantic confusion problem. Extensive experiments on Microsoft COCO 2014 and Pascal VOC 2007 datasets demonstrate that the proposed framework significantly outperforms current state-of-art methods with a simpler model structure. Additionally, visual analysis shows that our method effectively separates information from different categories and achieves better performance compared to CLIP-based baseline method.

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