Analyzing the significance of macroscopical dynamic monitoring of new add construction land, considering the influence
of various factors, this paper selected Yinchuan Plain for a typical experimental zone, built knowledge base of remote
sensing images interpretation, used multi-temporal remote sensing images, carried through interactive interpretation of
change patterns of new add construction land and field validation. Interpretation results of 20m scale remote sensing
image show that the minimum spot average area of new construction land change monitored by 20m scale remote sensing
data is about 6 acres. The ability 20m scale remote sensing data identifies new increased construction land change further
strengthens, shows in the recognition of the smallest spot area reduces and the recognition accuracy increases.
Analyzing the significance of macroscopical dynamic monitoring of new add construction land, considering the influenceof various factors, this paper selected Yinchuan Plain for a typical experimental zone, built knowledge base of remotesensing images interpretation, used multi-temporal remote sensing images, carried through interactive interpretation ofchange patterns of new add construction land and field validation. Interpretation results of 20m scale remote sensingimage show that the minimum spot average area of new construction land change monitored by 20m scale remote sensingdata is about 6 acres. The ability 20m scale remote sensing data identifies new increased construction land change furtherstrengthens, shows in the recognition of the smallest spot area reduces and the recognition accuracy increases.
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