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Nowadays, urban land use mapping has played a significant role in commerce, urban planning, tourism, as well as in environmental management. With the development of remote sensing technology, high spatial resolution satellite imagery has the capability to enable accurate classification of general urban land cover and land use types. In this study, we compared pixel-based and object-based methods for...
Urban vegetation, particularly trees, plays important roles in the urban ecosystems. In this study, we examined the potential of WorldView-2 imagery (acquired on September 14, 2012) for urban tree species classification in the capital city of Beijing, China. Four tree species including Chinese white poplar(Populus tomentosa Carrière),Chineses scholartree(Sophora Japonica), Gingko(Ginkgo biloba L.)and...
Wetland ecosystems have many important functions as the regional environment stabilization, natural species protection and ecological resources facility. Investigation and monitoring on wetland urgently need the application of remote sensing. The optional remote sensing technology is sometimes difficult to receive the data due to the bad weather, or in specific light conditions. However, radar remote...
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