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http://dx.doi.org/10.7319/kogsis.2014.22.3.003

Extracting Method The New Roads by Using High-resolution Aerial Orthophotos  

Lee, Kyeong Min (Department of Civil Engineering, Chonbuk National University)
Go, Shin Young (Department of Civil Engineering, Chonbuk National University)
Kim, Kyeong Min (Department of Civil Engineering, Chonbuk National University)
Cho, Gi Sung (Department of Civil Engineering, Chonbuk National University)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.22, no.3, 2014 , pp. 3-10 More about this Journal
Abstract
Digital maps are made by experts who digitize the data from aerial image and field survey. And the digital maps are updated every 2 years in National Geographic Information Institute. Conventional Digitizing methods take a lot of time and cost. And geographic information needs to be modified and updated appropriately as geographical features are changing rapidly. Therefore in this paper, we modify the digital map updates the road information for rapid high-resolution aerial orthophoto taken at different times were performed HSI color conversion. Road area of the cassification was performed the region growing methods. In addition, changes in the target area for analysis by applying the CVA technique to compare the changed road area by analyzing the accuracy of the proposed extraction.
Keywords
Road; Change Detection; High Resolution Aerial Orthophoto; CVA;
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