【摘要】：無人機(jī)傾斜攝影測量技術(shù)可以短時(shí)快速獲取影像數(shù)據(jù),經(jīng)過多年的發(fā)展,憑借其高速靈活、高效可靠、低成本高精度等一系列的優(yōu)勢,在服務(wù)業(yè)、農(nóng)林業(yè)、電力、國土以及城市規(guī)劃等領(lǐng)域得到了廣泛的應(yīng)用,尤其是在飛行困難地區(qū)快速獲取較高分辨率的遙感影像有著明顯的優(yōu)勢,對(duì)于應(yīng)急搶險(xiǎn)、數(shù)字城市以及地理國情普查等方面發(fā)揮著舉足輕重的推動(dòng)作用。無人傾斜機(jī)攝影測量與傳統(tǒng)測量方法相比具有較多優(yōu)越之處,得到了社會(huì)各界的青睞。但是無人機(jī)傾斜攝影測量有一個(gè)難點(diǎn)就是建立三維模型,過去三維模型的建立多采用攝影測量,CAD技術(shù),用二維建立三維,紋理都是采用人工粘貼的方法,成本偏高,還有較大的工作量問題。本文介紹的三維建模借助專門的軟件建模,生成的是基于影像紋理的高分辨率傾斜攝影三維模型,紋理真實(shí),所以可以建立更真實(shí)的三維模型。本文的主要研究方向?yàn)闊o人機(jī)傾斜攝影測量技術(shù)及三維建模,以及后續(xù)模型在EP S地理信息工作站中的測圖應(yīng)用。主要研究內(nèi)容如下:首先對(duì)對(duì)無人機(jī)傾斜攝影測量三維建模技術(shù)的理論基礎(chǔ)進(jìn)行了介紹,包括無人機(jī)傾斜攝影測量技術(shù)的原理、特點(diǎn)和技術(shù)規(guī)范,以及三維建模的方法研究,還有無人機(jī)傾斜攝影測量三維建模的相關(guān)技術(shù),包括多視影像預(yù)處理和匹配以及紋理映射,主要介紹了畸變差糾正,勻光勻色的常用算法,MPGC算法和多視松弛法影像匹配,以及基于傾斜航空攝影技術(shù)的紋理映射方法。然后無人機(jī)傾斜攝影測量三維建模技術(shù)應(yīng)用的基礎(chǔ)進(jìn)行了介紹,包括天途無人機(jī)航攝系統(tǒng),SVS近低空攝影測量軟件,以及Smart3D Capture三維建模軟件。最后進(jìn)行了無人機(jī)傾斜攝影測量三維建模的應(yīng)用,包括應(yīng)用的流程,Smart3D Capture系統(tǒng)的建模過程,完成了實(shí)驗(yàn)區(qū)的三維模型的建立,并對(duì)模型的精度進(jìn)行了驗(yàn)證,并介紹了 EPS地理信息工作站的概況,主要功能,傾斜攝影三維測圖的功能,最后將Smart3D生成的模型導(dǎo)入EPS進(jìn)行了三維測圖的實(shí)驗(yàn),并與傳統(tǒng)測圖模式進(jìn)行了優(yōu)勢的對(duì)比。
[Abstract]:UAV tilt photogrammetry technology can obtain image data quickly for a short time. After many years of development, it has been widely used in service industry, agriculture and forestry, electricity, land and urban planning because of its high speed, flexibility, high efficiency and reliability, low cost and high precision. Especially, it has obvious advantages in obtaining high resolution remote sensing images quickly in difficult flight areas. Digital city and geographical situation survey play an important role in promoting. Compared with the traditional measurement method, unmanned tilting machine photogrammetry has many advantages and has been favored by all walks of life. However, one of the difficulties in UAV tilt photogrammetry is to establish three-dimensional model. In the past, photogrammetry, CAD technology, two-dimensional 3D and texture are all manual paste methods, which are expensive and have a large workload. With the help of special software modeling, the 3D modeling introduced in this paper generates a high-resolution oblique photography 3D model based on image texture, and the texture is real, so a more realistic 3D model can be established. The main research directions of this paper are UAV tilt photogrammetry technology and 3D modeling, as well as the application of subsequent models in EP S geographic information workstation. The main research contents are as follows: firstly, the theoretical basis of 3D modeling technology for UAV tilt photogrammetry is introduced, including the principle, characteristics and technical specifications of UAV tilt photogrammetry technology, as well as the research on 3D modeling method of UAV tilt photogrammetry, as well as the related technologies of 3D modeling for UAV tilt photogrammetry, including multi-view image preprocessing and matching and texture mapping, mainly introducing distortion difference correction. The common algorithms of uniform light, MPGC algorithm and multi-view relaxation method, as well as texture mapping method based on inclined aerial photography. Then the application of 3D modeling technology of UAV tilt photogrammetry is introduced, including Skyway UAV aerial photography system, SVS near-low altitude photogrammetry software, and Smart3D Capture 3D modeling software. Finally, the application of 3D modeling of UAV tilt photogrammetry is carried out, including the application flow, the modeling process of Smart3D Capture system, the establishment of 3D model in the experimental area, and the accuracy of the model is verified, and the general situation, main functions and the function of 3D mapping of tilt photography are introduced. finally, the model generated by Smart3D is introduced into EPS to carry out the experiment of 3D mapping. The advantages of the mapping model are compared with those of the traditional mapping model.
【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：P23

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本文編號(hào)：2497991