KANG Rui, SHI Mingchang, ZHAO Yuan, et al. Extraction of Distribution Information on Production and Construction Projects in Construction Period Based on Muti-temporal GF-1 Images[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 253-257.
DOI:
KANG Rui, SHI Mingchang, ZHAO Yuan, et al. Extraction of Distribution Information on Production and Construction Projects in Construction Period Based on Muti-temporal GF-1 Images[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 253-257. DOI: 10.13961/j.cnki.stbctb.2016.03.044.
Extraction of Distribution Information on Production and Construction Projects in Construction Period Based on Muti-temporal GF-1 Images
[Objective] To study the technologies on the extraction of information on the production and construction projects based on the high resolution remote sensing data in order to provide a quick way to timely capture the overall information on the distribution of production and construction projects
and to monitor soil and water conservation.[Methods] Taking some areas in Yulin City of Shaanxi Province as the study area
using GF-1 images acquired in 2013 and 2014
we used the object-oriented direct comparison method to extract the change information. Then combined with spectrum analysis and shape characteristics
pseudo changes were removed
and new bare land and impervious surface were acquired. In addition
with the help of expert knowledge
the distribution information of possible production and construction projects in the construction period was obtained.[Results] The accuracy of new bare land and impervious surface reached 83.53%
and the accuracy of possible production and construction projects in the construction period reached 95.56%.[Conclusion] This method can effectively extract the distribution information on production and construction projects in the construction period.
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