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Remote Sensing Technology and Application  2012, Vol. 27 Issue (3): 436-442    DOI: 10.11873/j.issn.1004-0323.2012.3.436
    
Tropical Forest Mapping Technology Study Using ALOS PALSAR Data
Feng Qi1,3,Chen Erxue1,3,Li Wenmei13,Wang Xinshuang1,2,3
(1.Research Institute of Forest Resource Information Techniques,Chinese Academy of Forestry,Beijing 100091,China;2.Geomatics Department,Xi'an University of Science and Technology,Xi an 710054,China;3.Remote Sensing and Information Technology,State Forestry Administration Key Lab,Beijing 100091,China )
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Abstract  

Tropical forest plays important role in keeping carbon balance by its biomass,which occupies 40% of the world.In order to provide basic data for tropical forest change monitoring,object-oriented classification methods was applied to study tropical forest mapping technology using Ortho-rectified PALSAR images.The study includes multi-scales segmentation,feature extraction and rules establishment and so on.The study results show that the ratio of polarization features (HV/HH) is sensitive for forest and the object-oriented classification methods can identify forest primely,meanwhile the different classification results reflect the changes of forest between 2007 and 2009 clearly. 

Key words:  ALOS PALSAR      Object-oriented      Change minitoring      Forest mapping     
Received:  16 August 2011      Published:  23 January 2013
P 237  
  TP 79  
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Cite this article: 

Feng Qi,Chen Erxue,Li Wenmei,Wang Xinshuang. Tropical Forest Mapping Technology Study Using ALOS PALSAR Data. Remote Sensing Technology and Application, 2012, 27(3): 436-442.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2012.3.436     OR     http://www.rsta.ac.cn/EN/Y2012/V27/I3/436

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