低空倾斜摄影与机载LiDAR在复杂地形中的应用

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中图分类号：TP231 文献标志码：A 文章编号：2095-2945（2025）30-0176-04

Abstract：Withthecontinuousimprovementofscientificandtechnologicallevel，TheUAVphotogrammetrytechnologyhas graduallyevolvedfrom2Dorthophotosto3Dobliqueimages.Thispaperformulatesalow-altitudeUAVobliquephotogrammetry methodforlarge-scaleareaswithcomplexterrintoacquireplanardata.Afterprocessingtheobtainedimagedata，anoblique3D modelisgenerated.Meanwhile，elevationdataisacquiredbycombiningwithairborneLiDAR，onthebasisofwhichthe1：500 topographicmapisdrawn.Finall，aprecisionanalysisisconducted，andtheinternalandexteralsurveydataarecompared usingeasuredpointsandmappoints.Theresultsshowthatthedataobtainedbythismethodmetstherequirementsof topographic mapping.

Keywords： low-alititude UVA; oblique photography;3D modle;LiDAR; topographic map

近年来，我国经济建设飞速发展，对于基础测绘信息的更新也愈加频繁[1，现今运用全野外方法进行1：500比例尺地形图测绘，一般用于更新面积较小的区域，或者是一些便于测设图根控制点的地域。（剩余3975字）