Technology and Methodology |
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THE TECHNICAL FRAMEWORK FOR REGIONAL FARMLAND CHANGE INVESTIGATION USING REMOTE SENSING |
PEI Zhi-yuan 1,2,ZHANG Song-ling 1,2,WU Quan 1,2,LIU Hai-qi 2 |
1.Chinese Academy of Agriculture Engineering,Beijing 100026,China;2.Center for Remote Sensing Application,Ministry of Agriculture,Beijing 100026,China |
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Abstract This paper deals with the technical framework for using remote sensing technology to investigate regional farmland change,with the emphasis placed on such key techniques as classification categories,information extraction and representation of the change,acreage deduction of small objects,and flow chart of data processing. Further discussion on the problems in operation is also made on the basis of practical application conducted in Northeast China,North China and Huanghuaihai area.
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Keywords
Neural network
Tibet Qiangtang
basin Appraising
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Issue Date: 15 July 2009
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