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http://dx.doi.org/10.5762/KAIS.2011.12.9.4192

Classification of Terrestrial LiDAR Data through a Technique of Combining Heterogeneous Data  

Kim, Dong-Moon (Department of GIS Engineering, Namseoul University)
Kim, Seong-Hoon (Department of GIS Engineering, Namseoul University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.9, 2011 , pp. 4192-4198 More about this Journal
Abstract
Terrestrial LiDAR is a high precision positioning technique to monitor the behavior and change of structures and natural slopes, but it has depended on subjective hand intensive tasks for the classification(surface and vegetation or structure and vegetation) of positioning data. Thus it has a couple of problems including lower reliability of data classification and longer operation hours due to the surface characteristics of various geographical and natural features. In order to solve those problems, the investigator developed a technique of using the NDVI, which is a major index to monitor the changes on the surface(including vegetation), to categorize land covers, combining the results with the terrestrial LiDAR data, and classifying the results according to items. The application results of the developed technique show that the accuracy of convergence was 94% even though there was a problem with partial misclassification of 0.003% along the boundaries between items. The technique took less time for data processing than the old hand intensive task and improved in accuracy, thus increasing its utilization across a range of fields.
Keywords
Terrestrial LiDAR; Behavior; Positioning data; NDVI; Land covers;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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