Author

Zhou Zhao

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#artificial intelligence Preprint Oct 2026

Easy-3Dfy: Object-Level Geometric Composition for Single-Image 3D Scene Construction

Single-image 3D scene construction is a fundamental problem in 3D vision. Recent methods such as SAM-3Dfy enable end-to-end reconstruction of 3D assets and their scene layouts, but still struggle with fine-grained scene geometry and asset quality. Meanwhile, specialized 3D object generators provide detailed object geom...

Ziang Zhang, Wen-You Yi, Zehan Wang et al. · 0 citations

Preprint Aug 2026

Doc-REFRAG: Rethinking Multimodal Document Retrieval-Augmented Generation

Doc-REFRAG, a question-guided framework that compresses visual tokens into coarse chunks and selectively expands question-relevant ones via a lightweight RL-based selector, is proposed, achieving state-of-the-art accuracy with significantly lower inference latency.

Ruofan Hu, Sheng Xu, Min-Jie Hong et al. · 0 citations