THE DETECTION OF RADARSAT IMAGE VARIATION IN THE URBAN AREA： TAKE CHENGDU CITY AS AN EXAMPLE

doi:10.6046/gtzyyg.2008.04.05

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Abstract

With the RADARSAT radar image as the data source, the authors carried out the variation detection study

in Chengdu area. By choosing proper distribution and utilizing maximum likelihood regularity, the image variation

in the urban area was investigated. On the basis of the detection of RADARSAT data variation, the urban area

variation was divided into two types, namely smooth transition and abrupt change, which were assigned respectively

to homoplasmic area and alloplasmic area. These two types were detected separately by algorithm. Practice shows

that the result is fairly satisfactory.

Keywords Land investigation in detail Dynamic change supervision Remote sensing

Issue Date: 23 June 2009

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	Liu Yang
	You Bocheng

Cite this article:

Liu Yang,You Bocheng. THE DETECTION OF RADARSAT IMAGE VARIATION IN THE URBAN AREA： TAKE CHENGDU CITY AS AN EXAMPLE[J]. REMOTE SENSING FOR LAND & RESOURCES, 2008, 20(4): 18-21.

URL:

https://www.gtzyyg.com/EN/10.6046/gtzyyg.2008.04.05 OR https://www.gtzyyg.com/EN/Y2008/V20/I4/18

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