UniCA: Bi-directional Cross-Attention with Positive Similarity Loss for Robust Multi-Modal Retrieval
UniCA:具有正相似性损失的双向交叉注意力用于鲁棒多模态检索
机构 * The Hong Kong University of Science and Technology (Guangzhou)(香港科技大学(广州)) ; Southern Medical University(南方医科大学)
专题命中 跨模态检索 :multi-modal(title,abstract);multimodal(abstract);cross-modal(abstract);image-text(abstract)
AI总结 提出UniCA模型,通过双向交叉注意力块和正相似性损失增强跨模态语义对齐,在WebQA基准上混合任务Recall@5提升4.09%。