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Automatic extraction of road seeds from high-resolution aerial images

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Academic year: 2017

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Fig. 2 – Road objects.
Fig. 3 – Construction of road objects. (a) original image; (b) Edge detected by Canny; (c) Edges vectorized; and (d) Edges polygonized and mean image gradient vectors.
Fig. 4 – Decomposition of a road seed using the road objects. 1 st  Case2nd Case 3 rd  Case 2 nd  Case4th Case 2 nd  Case1st Case4th Case 1 st  Case3rd  Case 3 rd  Case2nd Case 3 rd  Case 1 st  Case3rd Case 4 th  Case1st Case4th Case 2 nd  Case4th Case(a)(
Fig. 7 – Extraction of road seeds. (a) Extraction of road objects; and (b) Connection of the road objects.
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