Author

Hongjie Zhang

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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

Jul 2026

VideoChat3: Fully Open Video MLLM for Efficient and Generalist Video Understanding

This work introduces VideoChat3, a fully open, efficient, and generalist video-centric MLLM, which surpasses prior open-source models with equal or larger parameter counts with only 4B parameters and higher efficiency.

Xinhao Li, Yuhan Zhu, Xiangyun Zeng et al. · arXiv.org · 4 citations