URBAN BUILT-UP AREA EXTRACTION AND APPLICATION BASED ON GF-2 SATELLITE DATA
Keywords: GF-2 satellite, object-oriented method, built-up area, Shennongjia
Abstract. GF-2 satellite was launched in China on August 19, 2014. It has wide potential applications with the spatial resolution of around 1 meter. In this paper, urban built-up area was extracted and classified based on GF-2 satellite data using object-oriented method. Songbai town of Shennongjia forest region was taken as an example. The results were applied to urban-rural planning and supervision of Songbai town in Shennongjia forest region.