Author

Hongyu Wu

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Preprint Aug 2026

VoxStruct3D: Structure-Leading Flow Matching for Voxel-Space 3D MRI Synthesis

High-fidelity 3D MRI synthesis requires both globally coherent anatomy and fine-grained voxel-level detail. Although latent diffusion makes volumetric generation tractable, its image autoencoder introduces a reconstruction bottleneck that can limit the fine detail recoverable in the final volume. We present VoxStruct3D...

Fang Li, Yang Gao, Shihao Zou et al. · 0 citations

Preprint Aug 2026

MIAR: Medical Image Super-Resolution With Autoregressive Modeling

Medical Image Super-Resolution (MISR) aims to enhance spatial resolution without requiring hardware modifications. Although deep learning has yielded promising results, existing paradigms face a critical trade-off: diffusion-based methods suffer from prohibitive inference latency and compromised structural fidelity, wh...

Fang Li, Ying-Long Li, Hong-Yu Wu et al. · 0 citations

Preprint Aug 2026

QuerySplat: Decoupling Geometry and Appearance Representations in 3DGS Prediction

While feed-forward 3D Gaussian Splatting (3DGS) enables efficient 3D reconstruction, achieving high-fidelity rendering remains challenging. Existing pixel-aligned approaches suffer from spatial inflexibility and massive structural redundancy, whereas query-based methods lack 3D priors and entangle geometry with appeara...

Yinglong Li, Donghui Shen, Xiaoyu Zhang et al. · 0 citations