Author

Qin He

University of Michigan, Ann Arbor

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Preprint Jul 2026

Joint On-and-Off Policy Learning for Vision-and-Language Navigation

JOP-VLN is introduced, a novel VLN framework that synergistically combines off-policy imitation learning and on-policy exploration within a three-stage training pipeline, featuring high-entropy trajectory sampling to enhance RL training efficiency and an error-correction-prioritized trajectory sorting strategy for effe...

Qin He, Lingqing Zhao, Kevin Zheng et al. · 0 citations