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http://dx.doi.org/10.7780/kjrs.2016.32.3.7

Availability Evaluation For Generation Orthoimage Using Photogrammetric UAV System  

Shin, Dongyoon (Department of Spatial Information Engineering, Pukyong National University)
Han, Jihye (Department of Spatial Information Engineering, Pukyong National University)
Jin, Yujin (GIS Division, Korea Environmental Science & Technology Institute)
Park, Jaeyoung (Department of Spatial Information Engineering, Pukyong National University)
Jeong, Hohyun (Department of Spatial Information Engineering, Pukyong National University)
Publication Information
Korean Journal of Remote Sensing / v.32, no.3, 2016 , pp. 275-285 More about this Journal
Abstract
This study analyzes the accuracy of ortho imagery based on whether camera calibration performed or not, using an unmanned aerial vehicle which equipped smart camera. Photgrammetric UAV system application was developed and smart camera performed image triangulation, and then created image as ortho imagery. Image triangulation was performed depending on whether interior orientation (IO) parameters were considered or not, which determined at the camera calibration phase. As a result of the camera calibration, RMS error appeared 0.57 pixel, which is more accurate compared to the result of the previous study using non-metric camera. When IO parameters were considered in static experiment, the triangulation resulted in 2 pixel or less (RMSE), which is at least 200 % higher than when IO parameters were not considered. After generate ortho imagery, the accuracy is 89% higher when camera calibration are considered than when they are not considered. Therefore, smart camera has high potential to use as a payload for UAV system and is expected to be equipped on the current UAV system to function directly or indirectly.
Keywords
UAV; Ortho-image; Photogrammetry; Camera calibration;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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