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Remote Sensing Technology and Application  2009, Vol. 24 Issue (3): 346-351    DOI: 10.11873/j.issn.1004-0323.2009.3.346
    
Wetland Information Extraction Based on DEM and the Object——A Case Study in Honghe Wetland
ZHENG Li-juan1,2,LI Xiao-juan 1,2,HU De-yong1,2,ZHOU De-min3
(1.Key Laboratory of 3D Information Acquisition and Application of Ministry of
Education,Beijing 100037,China;2.Beijing Municipal Key Laboratory of Resources Environment andGIS,Capital Normal University,Beijing 100037,China;3.Northeast Institute of Geography andAgricultural Ecology,Chinese Academy of Science,Changchun 130012,China)
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Abstract  

Remote sensing information extraction of wetland resource is one of the most important aspects in wetland research that need to meet definite accuracy and efficiency.Based on SPOT5 image,thematic information extraction of typical wetland was studied by carrying out pixel-based supervised classification and object-based classification in study area,and DEM data was combined with the information of object-oriented classification to explore ways to improve the accuracy of classification.The results showed that the information extraction based on objects and DEM can effectively improve the accuracy of remote sensing image classification.

 

Key words:  Honghe wetland      Information extraction      Object-oriented      DEM     
Received:  30 November 2008      Published:  20 January 2010
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ZHENG Li-juan
LI Xiao-juan
HU De-yong
ZHOU De-min

Cite this article: 

ZHENG Li-juan,LI Xiao-juan,HU De-yong,ZHOU De-min. Wetland Information Extraction Based on DEM and the Object——A Case Study in Honghe Wetland. Remote Sensing Technology and Application, 2009, 24(3): 346-351.

URL: 

http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2009.3.346     OR     http://www.rsta.ac.cn/EN/Y2009/V24/I3/346

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