基于地形级实景三维模型与机载LiDAR点云快速生产DEM的技术方法

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中图分类号：TN958.98 文献标志码：A 文章编号：2095-2945（2025）27-0144-05

Abstract：Withthedevelopmentofobliquephotographytechnologyandthecontinuousadvancementofreal-scene3D construction，therequirementsforthecurrntsituationandacuracyofDEMareincreasingdaybyday.Inordertosolvethe problemsofhighcost，lowprecision，andlargeworkloadinDEMconstructioncausedbyGuizhou’scomplexterainandbroken landforms，thispaperconductsresearchontherapidconstructionofDEMbasedonterrain-levelreal-scene3Dmodelsand airbomeLiDARpointclouds，optimizestheproductiontechnologymethods，summarizestheprocessflowandkeytechnologiesof DEMdataproduction，andverifiesthesolutiontroughtheproject.Formafast，accurate，fcientandlow-costproductionmodel to provide strong support for the comprehensive development of DEM production.

Keywords：terain-levelreal-scene3Dmodel;obliquephotograpy;airborneLiDARpointcloud;highprecision;rapidDEM construction

目前，全国各地以加速发展、加快转型、推动跨越为主基调，自然资源主管部门明确提出要大力推动新型基础测绘体系建设，构建实景三维中国，实景三维中国建设已经成为全社会关注的焦点之一3。（剩余6862字）