The invention relates to the technical field of expressway design and construction, and discloses an expressway-oriented unmanned aerial vehicle photogrammetry photography zoning method and device, and the method comprises the steps: taking highway mileage points closest to the maximum value and minimum value of the local elevation of an expressway center line as route zoning points according to wave troughs and wave crests; dividing is continued according to whether the linear distance from each highway mileage point to the adjacent route partition point exceeds a threshold value, and then dividing is carried out according to whether the elevation change value of the two adjacent route partition points exceeds the relative flight height of the unmanned aerial vehicle; and finally, according to whether the distance between two adjacent route partition points exceeds the maximum voyage division of the unmanned aerial vehicle, accurate planning of the unmanned aerial vehicle route considering the DEM is realized, on the basis of ensuring the effective course and lateral overlapping degree, data redundancy is reduced, the workload of image splicing and aerial triangulation calculation is reduced, and the efficiency of the unmanned aerial vehicle route planning is improved. The splicing speed and the operation efficiency of the field unmanned aerial vehicle image are improved, and the project flight field operation efficiency and emergency requirements are met.

    本发明涉及高速公路设计和施工技术领域,公开了一种面向高速公路的无人机摄影测量的摄影分区方法及装置,根据波谷和波峰将离高速公路中心线局部高程最大值处和最小值处最近的公路里程点作为航线分区点,再根据各公路里程点到与其相邻的航线分区点的直线距离是否超过阈值来继续划分,然后根据相邻两个航线分区点的高程变化值是否超过无人机相对航高接着划分,最后根据相邻两个航线分区点之间的距离是否超过无人机最大航程划分,本发明实现了顾及DEM的无人机航线的精准规划,在保证有效的航向、旁向重叠度的基础之上,减少数据冗余,减轻图像拼接和空三解算的工作量,提高现场无人机影像的拼接速度和作业效率,满足项目航飞现场作业效率及应急需要。


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    Title :

    Photographic partitioning method and device for unmanned aerial vehicle photogrammetry for expressway


    Additional title:

    面向高速公路的无人机摄影测量的摄影分区方法及装置


    Contributors:
    PI HE (author) / WANG CHANGWEI (author) / LI MENG (author) / ZENG XIANMING (author) / YANG ZHONGXI (author) / CHEN YONGCHONG (author) / SI JIACHEN (author) / TANG SHIHAO (author) / MA JIE (author) / YAO LIANGTONG (author)

    Publication date :

    2022-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / B64C AEROPLANES , Flugzeuge



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