無(wú)人機(jī)航攝系統(tǒng)免像控快速測(cè)制大比例尺地形圖關(guān)鍵技術(shù)分析

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中圖分類號(hào)：P631 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：2095-2945（2025）24-0140-04

Abstract：Inorder toensuretherapidextractionof surfacespatialinformation，aUAVaerialphotosystememerged.This systemcanobtainhigh-resolutionimagesandcanbeusedforlarge-scaletopographicmapsurveyingandmappng.Inorderto improvetheeficiencyofsurveyingandmappingandensuretheacuracyofsurveyingandmapping，thispaperadoptsthe image-freerapidmeasurementmethod.Onthebasisofnotsetinggroundimagecontrolpoints，thepapercombinesthebasic routeandtheframeworkroute，andusesPOS-asistedaerialphotogrammetrytoquicklycompletelarge-scaletopographicmap drawing.Also，thispaperintroducesthecoretechnologiesusedinsurveyingandmapping，andcombinesroadenginering examplestoanalyzetheapplicationprocessofthe UAVaerialcamerasystem toquicklymeasure large-scaletopographicmaps withoutphotocontrol.Itisconcludedthatthis methodhastheapplicationadvantagesof improvingsurveyingandmapping effciency， saving surveying and mapping costs，and applying results in a wide range.

Keywords：UAVaerial photography；image-freecontrol;large-scale topographicmap;topographicmapmapping；POSassisted aerial photogrammetry

無(wú)人機(jī)航測(cè)作業(yè)時(shí)，通常需要設(shè)置多個(gè)外業(yè)像控點(diǎn)，采用CORS系統(tǒng)實(shí)施重復(fù)觀測(cè)，且空三處理時(shí)刺點(diǎn)控制難度較大，對(duì)施測(cè)人員的專業(yè)性要求較高，并且工作量較大，像控效果易受到天氣、地形等因素限制，無(wú)法保障航測(cè)結(jié)果的準(zhǔn)確性。（剩余4206字）