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Author

Xiangyu Xu

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Sep 2026

Efficient 3D Medical Reconstruction from Sparse Views via 2D Diffusion Models with Curvature Priors.

Reconstructing medical images from partial measurements is a critical inverse problem in computed tomography (CT) and magnetic resonance imaging (MRI). While diffusion models excel in 2D medical imaging, their extension to 3D reconstruction remains challenging due to high computational costs. In this work, we achieve e...

Qing Zhou, Ming Li, Xiang-Yu Xu et al. · 0 citations
Preprint Aug 2026

CoDrift: Compositional Drifting for Offline Reinforcement Learning

This work proposes CoDrift, a compositional framework for one-step generative policy learning that combines three objective-level fields into a unified policy field that compares favorably with state-of-the-art methods and achieves the best average rank in both settings.

Xiewei Ni, Ruo-Feng Mei, Xiang-Yu Xu · 0 citations

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