Extraction of Distribution Information on Production and Construction Projects in Construction Period Based on Muti-temporal GF-1 Images
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    Abstract:

    [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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康芮,史明昌,赵院,罗志东,王晓晶,刘二佳.基于多时相GF-1影像的施工期生产建设项目分布信息提取[J].水土保持通报英文版,2016,36(3):253-257

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History
  • Received:January 25,2016
  • Revised:February 25,2016
  • Online: July 12,2016