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cs.CV2026
SER: Learning to Ground Video Reasoning with Semantic Evidence Rewards
Sheng Xia, Zhengqin Lai, Tianxiang Jiang +4
Video MLLMs often struggle with fine-grained spatio-temporal reasoning, sometimes generating correct answers based on irrelevant frames or objects. Although outputting spatio-tempo…
cs.RO2026
DV-VLN: Dual Verification for Reliable LLM-Based Vision-and-Language Navigation
Zijun Li, Shijie Li, Zhenxi Zhang +2
Vision-and-Language Navigation (VLN) requires an embodied agent to navigate in a complex 3D environment according to natural language instructions. Recent progress in large languag…