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Won Young Jhoo

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#artificial intelligence Preprint Oct 2026

Beyond Scalar IoU: Structured Verification from Rollout Groups for Video Temporal Grounding

Reinforcement learning with verifiable rewards (RLVR) provides a natural framework for adapting pretrained models to video temporal grounding, where generated temporal intervals can be scored directly against ground truth intervals. Yet existing overlap verifiers typically score each rollout independently, leaving the...

Youngjae Cho, Won Young Jhoo, Jongsuk Kim · 0 citations