像控密度对无人机航测精度的影响分析

打开文本图片集

中图分类号：P231 文献标志码：A 文章编号：2095-2945（2026）01-0075-04

Abstract：Withthedevelopmentofdronetechnology，tiltphotogrammetrytechnologyplaysanimportantroleinreal-life three-dimensionalconstruction.Inordertoensurethequalityofmodelsandotherresultsindailyoperations，acertainnumber ofimagecontrolpointsneedtobelaidout.Thenumberofimagecontrolpointsisdirectlyproportionaltothedataqualityas wellastheworkloadandproductioncostTherefore，obtainingdataresultsthatmettherequirementsofthespecificationwith theoptimalimagecontrolpointlayoutdensityisareflectionofmaximizingeconomicbenefits.Therefore，thispapertakesthe basicgeographicalinformationdatacolectionprojectofanUrbanareainacountyinHebeiProvinceasanexample.Underthe conditionthatotheroperatingproceduresandmethodsremainunchanged，twoimagecontrolpointswithdiferentdenstiesare usedtoparticipateinspace-threecalculationandmodeling.Statisicalanalysisoftheobtainedmodelsthroughcheckingpoints provesthatthereal-lifethree-dimensionalmodelprocessedbyusinghigh-densityimagecontrolpointshashigheraccuracy. Althoughthereal-lifethree-dimensionalmodelobtainedbyusinglow-densityimagecontrolpointshasslightlyworseaccuracyit still complies with relevant specification requirements.

Keywords：imagecontrolpoint;imagecontroldensity;droneaerial survey;real-life3Dimage;accuracycomparison

随着近年来无人机技术的发展，测绘地理信息行业数据采集手段更加多样化，成果类型变得多元化。（剩余4599字）