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Remote Sensing Technology and Application  2009, Vol. 24 Issue (3): 320-324    DOI: 10.11873/j.issn.1004-0323.2009.3.320
Automatic Extraction and Ore-forming Favorability Analysisof Linear Form in Remote Sensing Imageof Molybdenum Polymetallic Deposit in Liaoxi Area
JIA San-shi1,WANG En-de1,FU Jian-fei1,SONG Jian-chao1,ZHOU Hong-bin2
(1.Resource and Civil Engineering College of North-East University,Shenyang 110004,China;2.The Second Surveying and Mapping Institute of Jilin Province,Changchun 130062,China)
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This paper studied the automatic extraction of linear form in remote sensing image of molybdenum polymetallic deposit in Liaoxi area by this flow direction: linear extension enhancement,edge detection,Binarization by choosing a cutoff value,transition from raster to vector,building a topology,removing the disturbing information,extraction the linear form.The validity of extracted data was analyzed by the relationship between length and frequency of linear form,the relationship between azimuth and frequency of linear form and the structure intensity analysis.The relationship between structural linear form and deposit was studied by weight of evidence; the results showed that optimal ore-forming structure intensity is between 4 and 7.

Key words:   Liaoxi area      Molybdenum polymetallic deposit      Linear form      Weight of evidence (WOE)     
Received:  16 October 2008      Published:  20 January 2010
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JIA San-shi,WANG En-de,FU Jian-fei,SONG Jian-chao,ZHOU Hong-bin. Automatic Extraction and Ore-forming Favorability Analysisof Linear Form in Remote Sensing Imageof Molybdenum Polymetallic Deposit in Liaoxi Area. Remote Sensing Technology and Application, 2009, 24(3): 320-324.

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