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SWDC-5倾斜像片定位定姿方法研究
Research on Positioning and Orienting Methods of SWDC-5 Oblique Images
【摘要】 基于SWDC-5航摄仪获取的数据,探讨倾斜像片定位定姿的方法,通过建立POS、下视相机、斜视相机间的相对关系模型,给出POS辅助SWDC-5倾斜像片直接地理定位技术流程。通过实际航飞数据计算得到的倾斜像片外方位元素可用于三维房屋模型纹理映射,经试验验证该方法正确、可行。
【Abstract】 Based on the data from SWDC- 5 aerial photographic camera,this paper explored the methods of the positioning and orienting of oblique images through the establishment of the relative relationship model between POS,the vertical camera and oblique cameras. The direct georeferencing technology process of SWDC- 5 oblique images assisted by POS was given. The exterior orientation elements of oblique images calculated by the actual flight data can be used for texture mapping of 3D building model. The experiments verified the method is correct and feasible.
【基金】 国家科技支撑计划“倾斜摄影、地面LiDAR和野外测绘装备国产化”(2012BAH34B01);对地观测技术国家测绘地理信息局重点实验室开放基金项目(K201306)资助
- 【文献出处】 测绘与空间地理信息 ,Geomatics & Spatial Information Technology , 编辑部邮箱 ,2014年09期
- 【分类号】P231
- 【被引频次】8
- 【下载频次】164