基于高斯泼溅与三维激光扫描的洞穴建模方法和系统

By combining 3D laser scanning and Gaussian splashing technology, and using global and local principal component analysis to establish a local coordinate system for the cave, and constructing a composite loss function to optimize the Gaussian ellipsoid set, the problem of inaccurate reconstruction models in cave environments was solved, and efficient and stable 3D cave modeling was achieved.

CN122415907APending Publication Date: 2026-07-17贵州省第一测绘院(贵州省北斗导航位置服务中心)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
贵州省第一测绘院(贵州省北斗导航位置服务中心)
Filing Date
2026-06-16
Publication Date
2026-07-17

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Abstract

本发明公开了基于高斯泼溅与三维激光扫描的洞穴建模方法和系统，涉及视觉与三维重建技术领域，所述方法包括：获取洞穴激光点云与多视角图像；通过全局与局域主成分分析确定顶底及主延伸方向，建立局部坐标系并变换点云；将点云转为高斯椭球，尺度由邻域投影带宽自适应计算；构建融合深度一致性、法向一致性和光度的复合损失；以几何相关损失与光度损失比值动态调制几何与外观参数学习率，结合密度一致性比率对椭球克隆或修剪，迭代优化后生成三维网格模型。本发明利用激光几何信息引导高斯泼溅，可在无卫星信号、弱光照环境下实现洞穴高精度建模。
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