Volume 30 Issue 7
Jul.  2005
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CHEN Jiwei, HAN Xuepei. Semiautomatic Extraction of Floor Area Ratio Based on Construction Shadow in High Resolution Remote Sensing Image[J]. Geomatics and Information Science of Wuhan University, 2005, 30(7): 580-582.
Citation: CHEN Jiwei, HAN Xuepei. Semiautomatic Extraction of Floor Area Ratio Based on Construction Shadow in High Resolution Remote Sensing Image[J]. Geomatics and Information Science of Wuhan University, 2005, 30(7): 580-582.
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Semiautomatic Extraction of Floor Area Ratio Based on Construction Shadow in High Resolution Remote Sensing Image

  • 1 Department of Surveying and Land Information Engineering ,Tongji University, 1239 Siping Road,Shanghai 200092,China ;2 Shanghai Institute of Geological Survey, 930 Lingshi Road, Shanghai 200072,China ;3 Department of Environment Science, Normal University of Eastern China, 3663 North Zhongshan Road,Shanghai 200062, China

Funds: 国家地质调查科研基金资助项目([2002]00910)
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  • Received Date: April 28, 2005
  • Revised Date: April 28, 2005
  • Published Date: July 04, 2005
    Graphical Abstract
    • Abstract
  • A method of floor area ratio extraction is proposed by extraction of construction shadow in high resolution remote sensing images. Image processing is used firstly to extract large range construction shadow in urban building area,then these shadow are vectored and the shadow coordinates are converted to spell image contiguity breadth. Secondly, FAR is calculated based on regress analysis between construction shadow area and construction area by taking into account of construction’s orientation. At last,FAR of Shanghai central city zone is extracted and the results are validated. The result indicates that the method can extract FAR in high resolution satellite image effectively.
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