利用Photoscan处理五目相机空三,并导出CC空三文件

本文详细介绍了如何使用Photoscan处理五目相机的空三任务,包括整理文件目录、建立堆块、导入照片和POS信息、添加像控点标识、合并堆块、设置坐标系及导出空三文件的步骤。特别强调了在处理过程中对坐标系统的统一和控制点的精确定位,以确保最终空三文件的精度。

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利用Photoscan处理五目相机空三,并导出CC空三文件

 

前言

 

在近期photoscan很多朋友问如何利用五镜头数据导入photoscan,通过这一段时间摸索,现在把本人方法公布给大家做参考,如果有更好的方法,欢迎讨论。(本案例以华测HC12倾斜相机(PPK版)为案例)

 

环境要求

  1. Photoscan 1.4.3
  2. 五镜头倾斜相机照片(前视 后视 下视 左视 右视 )
  3. 五镜头相机照片对应的pos文件(可选)

 

操作步骤

 

  1. 整理文件目录
  2. 建立堆块chunk,并导入对应照片
  3. 导入照片pos 信息(可选)
  4. 添加像控点标识
  5. 合并堆块,设置批量操作
  6. 设置坐标系,导出空三文件

 

整理文件目录

从HC12倾斜相机中分别拷贝出相机照片,并建立以相机位置命名的目录。

 

建立堆块chunk,并导入对应照片

  1. 打开photoscan 4.3,点击左下方【工作区】,在工作区导航栏下,左键选择创建【添加堆块】,五
photoscan-软件说明书able of Contents Overview ......................................................................................................................... iv How it works ............................................................................................................ iv About the manual ...................................................................................................... iv 1. Installation ..................................................................................................................... 1 System requirements ................................................................................................... 1 OpenCL acceleration ................................................................................................... 1 Installation procedure .................................................................................................. 2 Restrictions of the Demo mode ..................................................................................... 2 2. Capturing photos ............................................................................................................ 4 Equipment ................................................................................................................. 4 Camera settings .......................................................................................................... 4 Object / scene requirements .......................................................................................... 4 Image preprocessing ................................................................................................... 4 Capturing scenarios ..................................................................................................... 5 Restrictions ............................................................................................................... 6 3. General workflow ........................................................................................................... 8 Preferences settings ..................................................................................................... 8 Loading photos .......................................................................................................... 8 Aligning photos .......................................................................................................... 9 Building dense point cloud ......................................................................................... 11 Building mesh .......................................................................................................... 12 Building model texture .............................................................................................. 13 Saving intermediate results ......................................................................................... 15 Exporting results ....................................................................................................... 16 4. Advanced use ............................................................................................................... 23 Splitting project ........................................................................................................ 23 Camera calibration .........................................
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