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arXiv · Computation and Language· Zhi Rao, Yucheng Zhou, Qianran Sun, Yiqing Huang, Longcan Yuan, Jiayi Hou, Chengwen Yao, Lin Cheng, Donghui Sun, Xiaoxin Chen, Jun Wan·· 4 hr agoAI score30

SignRAG：统一的检索增强无标注手语翻译框架

SignRAG: Unified Retrieval-Augmented Gloss-Free Sign Language Translation

AI brief

SignRAG 提出统一框架，结合层次化预训练、目标域检索增强与检索感知强化微调，让 decoder-only LLM 适用于无标注手语翻译。框架通过检索库提供实例级翻译线索，并引入 RUG-RFT 以翻译质量与检索效用奖励引导合理检索、抑制有害依赖。

Source: arXiv · Computation and Language · arxiv.org

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