Author

Yuran Wang

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Preprint Sep 2026

Human-Centric Image Captioning with Subject-Centered Spatial Understanding

While multimodal large language models (MLLMs) achieve remarkable performance on generic image captioning, they frequently suffer from structural hallucinations in human-centric scenarios. Accurately modeling human subjects is foundational for critical downstream applications, such as accurate avatar/video/image genera...

Bozhou Li, Jia-Hang Zhang, Yue Ding et al. · 0 citations

Jul 2026

Flux-OPD: On-Policy Distillation with Evolving Contexts

Flux-OPD is proposed, an OPD paradigm that uses evolving contexts as in-training supervision to capture task preferences in open-ended domains and outperforms existing OPD paradigms, highlighting the potential to combine teacher supervision with evolving contexts.

Yu-Ran Wang, Zekun Wang, Bohan Zeng et al. · arXiv.org · 1 citation

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