基于小型無人機遙感的單體地質(zhì)災害應急調(diào)查方法與實踐
發(fā)布時間:2018-03-27 11:15
本文選題:地質(zhì)災害 切入點:應急調(diào)查 出處:《工程地質(zhì)學報》2017年02期
【摘要】:大型、專業(yè)的無人機遙感已開始廣泛應用于大面積地質(zhì)災害調(diào)查中,本文則以近年來在三峽庫區(qū)進行地質(zhì)災害應急調(diào)查的多次成功實踐為基礎(chǔ),系統(tǒng)總結(jié)并建立了一套采用更加簡單靈活的小型無人機遙感系統(tǒng)開展單體地質(zhì)災害應急調(diào)查的方法,主要包括:基于地質(zhì)災害應急調(diào)查特點定制了更具針對性和適用性的多旋翼小型無人機系統(tǒng);制定了室內(nèi)準備、現(xiàn)場作業(yè)、快速處理面處理等在內(nèi)的具體實施流程;提出了像控點布設(shè)及測量、航線規(guī)劃、飛行拍攝過程控制及成果處理等關(guān)鍵技術(shù)方法。實踐表明,應用以上方法開展基于小型無人機遙感的單體地質(zhì)災害應急調(diào)查,不僅可以大大降低現(xiàn)場工作時間、強度以及風險,而且可以獲得高精度遙感成果及信息,從而真正滿足地質(zhì)災害應急調(diào)查既"快"且"高效"的客觀需求。
[Abstract]:Large-scale, professional UAV remote sensing has been widely used in large-scale geological hazard investigation. This paper is based on the successful practice of geological disaster emergency investigation in the three Gorges Reservoir area in recent years. A set of simple and flexible remote sensing system of small unmanned aerial vehicle (UAV) for emergency investigation of single geological hazards is summarized and established. The main contents are as follows: based on the characteristics of geological disaster emergency investigation, the multi-rotor small UAV system with more pertinence and applicability has been customized, and the specific implementation flow including indoor preparation, field operation, rapid processing surface processing and so on has been established. The key technical methods of image control point layout and measurement, route planning, flight shooting process control and result processing are put forward. The practice shows that the above methods are used to carry out the emergency investigation of single geological hazard based on remote sensing of small UAV. Not only can the working time, intensity and risk be greatly reduced, but also the high precision remote sensing results and information can be obtained, so as to truly meet the objective demand of "quick" and "efficient" geological disaster emergency investigation.
【作者單位】: 三峽大學湖北長江三峽滑坡國家野外科學觀測研究站;三峽地區(qū)地質(zhì)災害與生態(tài)環(huán)境湖北省協(xié)同創(chuàng)新中心;三峽大學湖北省水電工程智能視覺監(jiān)測重點實驗室;
【基金】:國家自然科學基金項目(41302260) 湖北省水電工程智能視覺監(jiān)測重點實驗室開放基金(2016KLA02) 湖北省科技支撐計劃項目(2015BCE070) 湖北省自然科學基金創(chuàng)新群體項目(2015CFA025)資助
【分類號】:P694
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