Semantic Hardness Is Not Visual Hardness: Sign-Aware Hard Negative Mining for Sign Language Retrieval
语义难度并非视觉难度:用于手语检索的符号感知硬负样本挖掘
机构 * School of Computing(计算机学院) ; Graduate School of Culture Technology(文化技术研究生院) ; Korea Advanced Institute of Science and Technology(韩国科学技术院) ; ETRI Medical Informatics Laboratory(电子通信研究院医学信息学实验室)
AI总结 研究手语检索在细粒度场景的问题,提出符号感知硬负样本挖掘方法,通过在嵌入空间基于视觉易混淆性构建硬负样本,实验证明该方法能提升细粒度检索性能且保持粗粒度准确性。
Comments Accepted to ACL 2026 main
Journal ref Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2026, pages 28262-28277