To relieve difficulties in traditional manual way of crag investigation in complex topographic area, this article supposed an unmanned aerial vehicle(UAV) oblique photography technique to acquire the accurate three dimensional (3D) spatial information of crags. Taking a crag on high steep mountain in southwest China as an example, using adapted UVA flight route plan to acquire oblique images, after data processing, the high precision 3D measurable model of the crag is produced. This method satisfies the need of constructing the real-time three-dimensional model of the crag with the non-contact data acquisition method, making up the limitation of the traditional ground investigation, providing a solution for the accurate investigation of the high steep crag.

Date Published: 9 August 2018
PDF: 6 pages
Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108063D (9 August 2018);

Published in SPIE Proceedings Vol. 10806:
Tenth International Conference on Digital Image Processing (ICDIP 2018)
Xudong Jiang; Jenq-Neng Hwang, Editor(s)