Figure 1. Study area
Figure 2. Four orthoimages of a site classified by multispectral imaging(A : Green, B : Red, C : Red edge, D : NIR spectral bands)
Figure 3. UAV used for multispectral imageacquisition(A: RGB Camera; B: multispectral Camera;C: Solar light sensor)
Figure 5. Overlay analysis of aerial Photograph and plan drawing of study area
Figure 4. Calibration target for radial correction
Figure 6. Land cover changes during the two periods(2009 and 2017). Daum map image
Figure 7. Method of individual tree extraction in study area(A. light circles), and changes in Vegetation Indexes (B. NDVI, C. SAVI) by Three Periods(23 May, 13 July, 16 Sep.)
Figure 8. Comparison of Vegetation Index(NDVI, SAVI) mean value in three periods. (A : Zelkova serrata, B: Quercus palustris C : Chionanthus retusus, D : Grass Land, E : Pinus densiflora, F : Pinus strobus, G : Metasequoia glyptostroboides, H: Flower garden)
Table 1. Features of Photography
Table 2. Result of analysis that mean and maximum values of vegetation index according to species
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