Deriving Vegetation Information in Ulan Buh Desert Based on Texture

doi:10.11873/j.issn.1004-0323.2010.5.687

Remote Sensing Technology and Application

2010, Vol. 25

Issue (5): 687-694 DOI: 10.11873/j.issn.1004-0323.2010.5.687

article

Deriving Vegetation Information in Ulan Buh Desert Based on Texture

SHAO Xiao-min,LIU Yong

（Institute of Remote Sensing and Geographic Information System,
Lanzhou University,Lanzhou 730000,China）

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Abstract

Ulan Buh Desert is one of Chinas major deserts.In recent years its rapid expansion has seriously affected the local ecological security.Desert vegetation is the most important ecological protection barrier in this region.Gaining the knowledge accurately of the distribution of vegetation is important.Calculated NDVI,and integrated principal component analysis combined with Gray Level Co\|occurrence Matrix texture analysis to analysis the ALOS image in the reserch area.Using NDVI and mean texture as the classification indices,the article determined the appropriate threshold range,and abstracted the vegetation information by using the decision tree method.The result shows that the decision tree method could use texture and other auxiliary information effectively,and achieve better classification results compared with traditional classification method.

Key words: NDV ;Principal component analysis Gray level co-occurrence matrix Ulan Buh Desert Desert vegetation Decision tree classification

Received: 28 April 2010 Published: 30 October 2013

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SHAO Xiao-Min, LIU Yong. Deriving Vegetation Information in Ulan Buh Desert Based on Texture. Remote Sensing Technology and Application, 2010, 25(5): 687-694.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2010.5.687 OR http://www.rsta.ac.cn/EN/Y2010/V25/I5/687

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