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Shengjun Tang

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Open access Jul 2026

SceneReasoner: Decoupled Spatial Tokenization for Indoor Large-Scene Understanding with LLMs

Abstract. Most existing 3D vision-language models focus on object-level or single-room understanding and perform poorly in large-scale, multi-room indoor environments where task-relevant objects constitute only a small fraction of the total point cloud. When multi-room point clouds are fed directly into an LLM, critica...

Bohang Shi, Shengjun Tang, Xiaoming Li et al. · 0 citations
Open access Jul 2026

VISTA-GS: MVS-Guided Virtual View Augmentation for Sparse-View 3D Gaussian Splatting

Abstract. 3D Gaussian Splatting (3DGS) has emerged as a leading technique for novel view synthesis (NVS), yet its performance degrades drastically under sparse-view conditions. While existing methods have sought to address this by incorporating accurate 3D geometry via Multi-View Stereo (MVS) or LiDAR priors, the view-...

Hongsheng Huang, Yaxin Li, Shengjun Tang et al. · 0 citations

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