DataFunTalk

Sep 10, 2026 · Artificial Intelligence

CAPO-SLT: Confidence-Aware RL Fixes Fluent-but-Wrong Sign Language Translation

vivo AI Lab introduces CAPO-SLT, a confidence-aware policy optimization method that stabilizes sign language translation by giving each token a dynamic clipping bound based on old-policy confidence, achieving state-of-the-art results on Chinese and American sign language benchmarks using only pose input.