Building detection using directional spatial constraints
International Geoscience and Remote Sensing Symposium (IGARSS)
Please cite this item using this persistent URLhttp://hdl.handle.net/11693/28470
We propose an algorithm for automatic detection of buildings with complex shapes and roof structures in very high spatial resolution remotely sensed images. First, an initial oversegmentation is obtained. Then, candidate building regions are found using shadow and sun azimuth angle information. Finally, the building regions are selected by clustering the candidate regions using minimum spanning trees. The experiments on Ikonos scenes show that the algorithm is able to detect buildings with complex appearances and shapes. © 2010 IEEE.
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