MagicRoad: Semantic-Aware 3D Road Surface Reconstruction via Obstacle Inpainting
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915418774437888 |
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| author | Peng, Xingyue Lyu, Yuandong Zhang, Lang Zhu, Jian Wang, Songtao Deng, Jiaxin Lu, Songxin Ma, Weiliang She, Dangen Jia, Peng Lang, XianPeng |
| author_facet | Peng, Xingyue Lyu, Yuandong Zhang, Lang Zhu, Jian Wang, Songtao Deng, Jiaxin Lu, Songxin Ma, Weiliang She, Dangen Jia, Peng Lang, XianPeng |
| contents | Road surface reconstruction is essential for autonomous driving, supporting centimeter-accurate lane perception and high-definition mapping in complex urban environments.While recent methods based on mesh rendering or 3D Gaussian splatting (3DGS) achieve promising results under clean and static conditions, they remain vulnerable to occlusions from dynamic agents, visual clutter from static obstacles, and appearance degradation caused by lighting and weather changes. We present a robust reconstruction framework that integrates occlusion-aware 2D Gaussian surfels with semantic-guided color enhancement to recover clean, consistent road surfaces. Our method leverages a planar-adapted Gaussian representation for efficient large-scale modeling, employs segmentation-guided video inpainting to remove both dynamic and static foreground objects, and enhances color coherence via semantic-aware correction in HSV space. Extensive experiments on urban-scale datasets demonstrate that our framework produces visually coherent and geometrically faithful reconstructions, significantly outperforming prior methods under real-world conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_23340 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | MagicRoad: Semantic-Aware 3D Road Surface Reconstruction via Obstacle Inpainting Peng, Xingyue Lyu, Yuandong Zhang, Lang Zhu, Jian Wang, Songtao Deng, Jiaxin Lu, Songxin Ma, Weiliang She, Dangen Jia, Peng Lang, XianPeng Computer Vision and Pattern Recognition Road surface reconstruction is essential for autonomous driving, supporting centimeter-accurate lane perception and high-definition mapping in complex urban environments.While recent methods based on mesh rendering or 3D Gaussian splatting (3DGS) achieve promising results under clean and static conditions, they remain vulnerable to occlusions from dynamic agents, visual clutter from static obstacles, and appearance degradation caused by lighting and weather changes. We present a robust reconstruction framework that integrates occlusion-aware 2D Gaussian surfels with semantic-guided color enhancement to recover clean, consistent road surfaces. Our method leverages a planar-adapted Gaussian representation for efficient large-scale modeling, employs segmentation-guided video inpainting to remove both dynamic and static foreground objects, and enhances color coherence via semantic-aware correction in HSV space. Extensive experiments on urban-scale datasets demonstrate that our framework produces visually coherent and geometrically faithful reconstructions, significantly outperforming prior methods under real-world conditions. |
| title | MagicRoad: Semantic-Aware 3D Road Surface Reconstruction via Obstacle Inpainting |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2507.23340 |