Construction of 3D modeling based on vertical and oblique unmanned aerial vehicle imagery for efficient national park management

Abstract

In order to efficiently manage large forest areas, a large number of people and budgets are required. Additionally, areas where access is difficult cannot be managed. The management of forest areas using a unmanned aerial vehicle (UAV) has the effect of solving existing limitations. In this study, 3D modeling was carried out on October 22, 2020, using images acquired by UAV for Yongha Campsite located in Wolaksan National park, Chungcheongbukdo province, South Korea. Considering the lack of matching points in image matching due to the nature of forest areas, the ratio of image overlap was set high during UAV flight plan establishment, and vertical and oblique images were acquired by UAV. Afterwards, we validated the usability of the data based on a 3D model.