Experiment and Analysis of Unmanned Aerial Vehicle Oblique Photography in Constructing 3D Model of Forest Scenic Spots

doi:10.13466/j.cnki.lyzygl.2018.04.019

Abstract

Abstract:

The photogrammetric technology of unmanned aerial vehicle (UAV)has been widely used in the field of three-dimensional modeling as a new technique method.This paper analyzes the basic principle and system composition of the tilt photogrammetric technology and gives the technical flow and scheme of the real three-dimensional model based on the unmanned aerial vehicle tilt design technology.Taking the Yuntai Mountain Hongshi gorge Forest Scenic Area in Jiaozuo,Henan as the experimental area,the three-dimensional model of the area is made according to the technical process and scheme given in this paper.The model truly expresses the natural features of the scenic spots and the characteristics of the humanities,and can reach the feeling of the real scene by browsing the model,the real three-dimensional model can be used as the basic data and basis for the planning of tourist attractions,the simulation of various natural phenomena in scenic spots,and the development of the intelligent management system.It has very great market value and application prospect.

Key words: UAV, oblique photography, real 3D model, data processing cluster

CLC Number:

P23
TP79

YANG Fan. Experiment and Analysis of Unmanned Aerial Vehicle Oblique Photography in Constructing 3D Model of Forest Scenic Spots[J]. FOREST RESOURCES WANAGEMENT, 2018, (4): 120-124.

Figures/Tables 8

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References 12

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旋翼布局	X6正常布局
轴距	880mm
标配重量	6.6 kg(包含1.2kg载荷)
续航时间	40min
有效作业航程	10~12km
最大起飞重量	7.4kg(相当于有效载荷2kg)
最大升限	1 500m(起飞海拔3 000m)
巡航速度	4~8m/s
螺旋桨型号	1 550碳纤桨
电池容量	24 000mah
通讯距离	10km(飞行高度100m测得)
拆卸结构	机臂拔插结构
包装尺寸	650mm×350mm×400mm定制航空铝箱
功能拓展性	可根据需求微调平台配置
飞行控制系统	DJI A2(可根据客户需求替换)

功能组成部分	参数及性能	参数值
相机系统	微单相机 (标配)	Sony ILCE-6000 有效像素:4000×6000,2400万像素传感器尺寸:23.5mm×15.6mm(APS-C画幅)
	镜头	Sony焦距20mm F2.8定焦镜头,型号SEL20F28
	存储卡	SD卡,SONY SF-32UX2高速(94M/S、32GB)
控制系统	拍照	等间距拍照,如10m,可根据用户需求自定义
	GPS信号采集	配置独立的GPS接收天线、接收模块,记录相机拍照时刻同步的GPS位置
	相机电源控制	将无人机平台动力电转接给相机供电
	拍摄角度	控制云台进行前、正、后三个方向进行摆扫,摆扫角度可以根据用户的需要进行设置
	存储卡	TF卡,闪迪(SanDisk)至尊高速TF卡,32GB
摆扫云台	摆扫方向	垂直于无人机飞行方向进行摆扫
	相机安装方向	两台相机视轴方向分别沿飞行方向两侧倾斜安装
	舵机云台	提供相机沿着飞行方向进行二维摆动
重量		1.2kg
搭载平台		各种轻型多旋翼无人机系统

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