仿地飞行技术在高山地区大比例尺地形图生产中的应用研究

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中图分类号：P231 文献标志码：A 文章编号：2095-2945(2025)14-0193-04

（自然资源部陕西测绘产品质量监督检验站，西安710001）

Abstract:Thereisapositivecorelationbetweentheaccuracyofthetopographicmapresultsproducedbyaerial photographyandtheresolutionoftheacquiredimage.Thetraditionalphotogrammetrymethodadoptsfixedaltitudeflight.For terrinwithlargefluctuations,theimageresolutionobtainedisinconsistent,resultingintheacuracyofsurveyingandaping resultsthatiseasilyexcededandthereliabilityislow.Inordertosolvetheaboveproblems，theauthorintroducedtwo technologies:groundimitationandtilt,andtookthetopographicmapsurveyingandmappingofacertainplaceinShanxiasan exampletoverifythefeasibilityofthisplan.Troughtheinspectionpointscolectedtodetecttheaccuracyoftopographicap results,itcanbeseenthatthisschemecanproducetopographicmapresultsmeting1:5OO,whichcanprovidereferencefor colleagues in topographic map surveying and mapping.

Keywords:large-scaletopographicmap;tiltphotography;simulated terrin flight;3Dreconstruction;imageresolution

地形图也叫数字线划图，是一种包含平面地物位置信息和高程信息的矢量数据，是航空摄影4D产品中的一种。（剩余2649字）