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Author

Yu-Ning Gong

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Preprint Oct 2026

Holi-Spatial 360: Generative Reconstruction from Sparse Panoramas for Spatial Rendering and Intelligence

Spatial intelligence requires scalable 3D environments that are both photorealistic and semantically grounded, yet existing indoor datasets are dominated by room-scale captures and costly LiDAR acquisition. Online real-estate platforms offer abundant panoramas of diverse multi-room homes, but sparse viewpoints and text...

Yuan-Yuan Gao, Zhi-Rui Liu, Yu-Ning Gong et al. · 0 citations
Oct 2026

MaskGaussian++: Probabilistic Masks for General 3D Gaussian Representation.

While 3D Gaussian Splatting (3DGS) has demonstrated remarkable performance in novel view synthesis and realtime rendering, the high memory consumption due to the use of millions of Gaussians limits its practicality. To mitigate this issue, improvements have been made by pruning unnecessary Gaussians, either through a h...

Yi-Fei Liu, Yuan-Yuan Gao, Yi-Fan Zhan et al. · 0 citations
Preprint Aug 2026

Multi-Branch Policy Optimization for Multimodal Large Language Models

This work proposes Multi-Branch Policy Optimization (MBPO), a tree-based framework that constructs reasoning trees at vision-language decision boundaries, enabling sibling branches to explore diverse visual hypotheses and assigning segment-level credit through branch-relative advantages.

Shuai Lyu, Yu-Ning Gong, Rui-Ling Gao et al. · 0 citations

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