本文選題：三維激光掃描 + 點(diǎn)云��； 參考：《測(cè)繪學(xué)報(bào)》2017年10期

【摘要】：三維激光掃描直接對(duì)地球表面進(jìn)行三維密集采樣,可快速獲取具有三維坐標(biāo)(X,Y,Z)和一定屬性(反射強(qiáng)度等)的海量、不規(guī)則空間分布三維點(diǎn)云,成為數(shù)字化時(shí)代下刻畫復(fù)雜現(xiàn)實(shí)世界最為直接和重要的三維地理空間數(shù)據(jù)獲取手段,在全球變化、智慧城市、全球制圖等國(guó)家重大需求和地球系統(tǒng)科學(xué)研究中起到十分重要的作用。目前,在傳感器技術(shù)和國(guó)家需求的雙重驅(qū)動(dòng)下,三維激光掃描在硬件裝備、三維點(diǎn)云數(shù)據(jù)處理以及應(yīng)用3個(gè)方面取得了巨大的進(jìn)步,同時(shí)也面臨新的挑戰(zhàn)。本文以三維激光掃描的發(fā)展歷史為線索,總結(jié)了三維激光掃描系統(tǒng)的現(xiàn)狀、三維點(diǎn)云數(shù)據(jù)處理的關(guān)鍵進(jìn)展以及在測(cè)繪地理信息等領(lǐng)域的典型應(yīng)用,并分析了三維點(diǎn)云數(shù)據(jù)處理面臨的挑戰(zhàn),最后展望了三維激光掃描與點(diǎn)云處理的發(fā)展趨勢(shì)。
[Abstract]:Three-dimensional laser scanning directly samples the earth's surface in order to obtain the massive, irregular spatial distribution of 3D point clouds with three dimensional coordinates and some attributes (such as reflection intensity, etc.). Become the most direct and important means of acquiring 3D geospatial data in the digital age to depict the complex real world, in the global change, intelligent city, Global mapping and other important national needs and scientific research in the Earth system play a very important role. At present, with the dual driving of sensor technology and national demand, 3D laser scanning has made great progress in hardware equipment, 3D point cloud data processing and application, but also faces new challenges. Based on the development history of 3D laser scanning, this paper summarizes the present situation of 3D laser scanning system, the key progress of 3D point cloud data processing and its typical application in the field of surveying and mapping geographic information. The challenges of 3D point cloud data processing are analyzed. Finally, the development trend of 3D laser scanning and point cloud processing is prospected.
【作者單位】： 武漢大學(xué)測(cè)繪遙感信息工程國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金重點(diǎn)/面上項(xiàng)目(41531177;41371431) 國(guó)家科技支撐項(xiàng)目(2014BAL05B07) 國(guó)家重點(diǎn)研發(fā)計(jì)劃(2016YFF0103501)~~
【分類號(hào)】：P237

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