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REMOTE SENSING FOR LANDSLIDES IN CHINA AND ITS RECENT PROGRESS |
WANG Zhi-Hua |
China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China |
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Abstract With the adoption of the Digital Landslide Technique and high resolution remote sensing data, remote
sensing has enabled more accurate qualitative and quantitative survey of regional landslides and monitoring of
large landslide since the beginning of 21 Century. Digital Landslide Technique is based on geoscience principles
of landslide and depends on the support of remote sensing, digital photogrammetry and image-processing, GIS and
computer techniques. It can be divided into four parts, namely, landslide identification, capturing of basic
landslide information, information storage and management, and spatial analysis. The technique has perfected and
developed itself continually during the practice since the end of the 20th Century.
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Keywords
Entropy
IHS transformation
Image integration
Image quality measure
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Issue Date: 23 July 2009
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