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Video-driven Gaussian splatting for as-built building geometry with energy simulation
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DOI：10.1016/j.autcon.2026.106981.png)
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Abstract
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• GEMA converts drone video to BEM-ready LoD3 meshes via 2D Gaussian splatting. • P-SSIM metric evaluates mesh planarity using SSIM and 3D Radon transform. • Densification improves surface fidelity and energy prediction stability. • Scalable video-driven workflow reduces reliance on LiDAR or manual modeling.
Keywords:
Video-to-3D reconstruction
Gaussian splatting
Building energy modeling
3D mesh generation
Planar structural similarity (P-SSIM)
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