Computer-assisted DEM-based aero photography design

Geo-spatial Information Science - Tập 11 - Trang 26-30 - 2008
Yewen Fan1, Jianya Gong, Chengguo Tan, Ruiyao Wang
1State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan, China

Tóm tắt

In aerial photography, the primary factor is terrain undulation. However, most of the external aerial photography software used for aerial photography design do not take terrain undulation influence into consideration. Therefore, the design result has comparative randomicity and “gaps” are expected. An aerial photography design system is developed by analyzing the terrain undulation influence to the design result with DEM data so that the forward overlap and side overlap can be justified according to the block terrain undulation to meet specifications or standards. The data designed by this system is compared with the real flying data. The results show that making use of DEM to assist in aerial photography design can ensure that the designed result fits the real terrain better.

Tài liệu tham khảo

Wang Zhizhuo (1979) The principle of photogrammetry [M]. Beijing: Survering and Mapping Press (in Chinese) Zhu Wu (2002) Research on approach of photograph designing DEM-based [D]. Beijing: Natioal Geomatics Center of China (in Chinese) Gong Jiaya (2005) Foundation of geographical information system[M]. Beijing: Science Press (in Chinese) Xiong Jie (1988) Ellipsoidal geodesy [M]. Beijing: PLA Publishing House (in Chinese) Xuan Jiabin (1992) The technology of areial and space photography [M]. Beijing: Survering and Mapping Press (in Chinese) Li Zhilin, Zhu Qing (2000) Digital elevation model [M]. Wuhan: Wuhan Tech. Univ. Surveying and Mapping Press (in Chinese)