These lit areas are undeveloped: Delimiting China’s urban extents from thresholded nighttime light imagery

Volume: 50, Pages: 39 - 50
Published: Aug 1, 2016
Abstract
Nighttime light imagery is a powerful tool to study urbanization because it can provide a uniform metric, lit area, to delimit urban extents. However, lit area is much larger than actual urban area, so thresholds of digital number (DN) values are usually needed to reduce the lit area. The threshold varies greatly among different regions, but at present it is still not very clear what factors impact the changes of the threshold. In this study,...
Paper Details
Title
These lit areas are undeveloped: Delimiting China’s urban extents from thresholded nighttime light imagery
Published Date
Aug 1, 2016
Volume
50
Pages
39 - 50
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