Author

Yu Shi

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Preprint Aug 2026

ConceptFormer: Learning Adaptive Latent Concepts for Query-Document Alignment in Visual Document Retrieval

Visual document retrieval is a critical component of multimodal retrieval-augmented generation, aiming to identify query-relevant pages from document collections where evidence is distributed across text, layout, charts, and visual structures. Recent efforts toward finer-grained supervision primarily rely on textual de...

Chunyi Peng, Zhipeng Xu, Y. Yukun et al. · 0 citations

Jul 2026

OSEF: One-Step Evidence Fusion for Cross-Video Scene Procedure Planning

This work introduces Cross-Video Scene Procedure Planning (CVSPP): given an answer-redacted start-goal query and K candidate videos, a model must retrieve the supporting video, localize the relevant window, and predict the action sequence.

Zhentong Ye, Lei Zhang, Sijia Zhou et al. · arXiv.org · 0 citations