仿地飛行技術(shù)在高山地區(qū)大比例尺地形圖生產(chǎn)中的應(yīng)用研究

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中圖分類號:P231 文獻(xiàn)標(biāo)志碼:A 文章編號:2095-2945(2025)14-0193-04
(自然資源部陜西測繪產(chǎn)品質(zhì)量監(jiān)督檢驗(yàn)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
地形圖也叫數(shù)字線劃圖,是一種包含平面地物位置信息和高程信息的矢量數(shù)據(jù),是航空攝影4D產(chǎn)品中的一種。(剩余2649字)