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He-He Fan

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Review Oct 2026

VideoMemBench: How Well Do MLLMs Remember in Video Conversations?

Multimodal large language models (MLLMs) can now process hour-long videos, making extended multi-turn dialogue over a single video a natural mode of use. Sustaining such a dialogue requires more than answering each question in isolation: the model must retrieve and reuse information established earlier in the conversat...

Zheng-Dong Hu, Chao Wang, Kai-Tuo Feng et al. · 0 citations
Preprint Oct 2026

MOFFieldBench: A Machine Learning Benchmark for Continuous Electronic Fields in Metal-Organic Frameworks

Machine-learning models for metal-organic frameworks (MOFs) predominantly rely on atomic structures, whereas electron-density (ED) and electrostatic-potential (ESP) fields remain underexplored as scalable learning representations. These continuous fields encode complementary spatial and electronic information relevant...

Zhao-Lin Hu, He-He Fan, Chen-Hao Rao et al. · 0 citations
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
Book 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, Ying-Zhao Jian, Yun-Qi 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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