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http://dx.doi.org/10.7236/JIIBC.2018.18.3.143

A Study on the Construction of Near-Real Time Drone Image Preprocessing System to use Drone Data in Disaster Monitoring  

Joo, Young-Do (Dept. of Computer & Media Information, Kangnam University)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.18, no.3, 2018 , pp. 143-149 More about this Journal
Abstract
Recently, due to the large-scale damage of natural disasters caused by global climate change, a monitoring system applying remote sensing technology is being constructed in disaster areas. Among remote sensing platforms, the drone has been actively used in the private sector due to recent technological developments, and has been applied in the disaster areas owing to advantages such as timeliness and economical efficiency. This paper deals with the development of a preprocessing system that can map the drone image data in a near-real time manner as a basis for constructing the disaster monitoring system using the drones. For the research purpose, our system is based on the SURF algorithm which is one of the computer vision technologies. This system aims to performs the desired correction through the feature point matching technique between reference images and shot images. The study area is selected as the lower part of the Gahwa River and the Daecheong dam basin. The former area has many characteristic points for matching whereas the latter area has a relatively low number of difference, so it is possible to effectively test whether the system can be applied in various environments. The results show that the accuracy of the geometric correction is 0.6m and 1.7m respectively, in both areas, and the processing time is about 30 seconds per 1 scene. This indicates that the applicability of this study may be high in disaster areas requiring timeliness. However, in case of no reference image or low-level accuracy, the results entail the limit of the decreased calibration.
Keywords
Disaster Monitoring; SURF Algorithm; Drone Data Processing; Geometric Calibration; Homography;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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