Author

Xuanyu Zhu

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Preprint Sep 2026

Think Before You Score: Thinking Reward Model for Visual Generation

Visual reward models are essential for evaluating and improving visual generation models, yet existing approaches typically map task conditions and candidate outputs directly to scalar rewards, leaving implicit what should be evaluated for each individual case. We introduce Think Before You Score, a paradigm that expli...

Xue-Yuan Bai, Zhen-Chen Tang, Yang Shi et al. · 0 citations

Preprint Jul 2026

RefCaptioner: Multi-Reference Image-Grounded Video Captioning

Existing video captioning models generate natural descriptions of video content but cannot explicitly ground local visual elements to multiple reference images. We introduce multi-reference image-grounded video captioning, a new task requiring factual video descriptions with phrase-level reference grounding, and propos...

Tengfei Liu, Yang Shi, Yuran Wang et al. · 0 citations