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http://dx.doi.org/10.11108/kagis.2017.20.4.115

Experimental Applicability Evaluation for Renewal and Modification Task of Digital Topographic Map by Low-Cost Drone Acquired Images  

YUN, Bu-Yeol (Dept. of Civil Engineering, Changshin University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.20, no.4, 2017 , pp. 115-125 More about this Journal
Abstract
In current, as the release of national base map with an equivalent scale and accuracy for the whole territory areas in South Korea, rapid spatial information industry such as national land development, GIS, and car navigation are used in a variety of spatial information industry as decision making method, and a lot of research and policies are proposed for the wide expansion of spatial information industry. For this, as of 2013, it contributes to the latest trend of spatial information field in order to solve the problems for the latest trend of spatial information, replacing modification of base maps as dividing the whole territory to zone with policy transformation by ordinary modifications. Therefore, this paper evaluates the possibility of modification and renewal of national base maps(scale: 1:5,000) using drones which currently get the limelight from a variety of research fields and industries. In particular, as a result of overlapping orthophoto, 3D point clouds extracted from images acquired by low-cost drones, and digital maps which are applied for the tasks of modification and renewal, it presents 0.2m precision and 0.1m accuracy. This means that drone-based photorgammetry technique can be fully utilized in the tasks of digital map modification and renewal because it conforms the error range of work regulation in making the national base maps(scale 1: 5000).
Keywords
Dron; National Base Maps; Point Clouds; Location Information; Orthographic Image;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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