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He-He Fan

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Preprint Sep 2026

TransNormal-2: Geometry-Grounded Rectified Flow with Edge-Aware Decoding for Precise Normal Estimation

Diffusion-based models enable monocular geometry estimation, yet their pixel-space precision is limited by a shared, under-studied error source: VAE reconstruction degradation. The 8x spatial compression in the VAE encoder-decoder degrades surface normals at object boundaries; even encoding and decoding ground-truth no...

Mingwei Li, Yi Yang, He-He Fan · 0 citations
Preprint Aug 2026

SmartMage: Dynamic Modality Orchestration for 3D Scene Understanding

SmartMage is proposed, a unified MLLM that dynamically orchestrates heterogeneous modalities for semantic-aware 3D scene understanding and achieves state-of-the-art performance across five 3D scene understanding benchmarks, and attains competitive results on RGB-only video understanding benchmarks.

Yue Zhang, Yingzhao Jian, Yunqi Xu et al. · 0 citations
Conference Open access Sep 2026

SPACE: Structure-Preserving Cross-Modal Image Enhancement for Extreme Low-Light Conditions

SPACE introduces a Depth-Adaptive HVI Transformation to decouple luminance and chrominance under depth guidance, effectively suppressing color-space noise and a Depth-Manifold Modulated Attention mechanism constrains feature interactions within a learned depth manifold, ensuring structural coherence during enhancement.

Yue Zhang, Zhi-Liang Wu, Yuxuan Hou et al. · 0 citations
Preprint Jul 2026

Large language model agents accelerate inverse design of metal-organic frameworks for gas separation

LEMO Agent is presented, a large-language-model agent framework for closed-loop inverse design of gas-separation MOFs in MOFid space that enriches high-performing candidates, improves predicted separation performance, and maintains broad chemical and topological diversity.

Zhaolin Hu, Hehe Fan, Wangyihan Guo et al. · 0 citations

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