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http://dx.doi.org/10.7780/kjrs.2008.24.2.107

The Optimized Analysis Zone Districting Using Variogram in Urban Remote Sensing  

Yoo, Hee-Young (Department of Earth Science Education, Seoul National University)
Lee, Ki-Won (Department of Information System Engineering, Hansung University)
Kwon, Byung-Doo (Department of Earth Science Education, Seoul National University)
Publication Information
Korean Journal of Remote Sensing / v.24, no.2, 2008 , pp. 107-115 More about this Journal
Abstract
Recently, a considerable number of studies have been conducted on the high resolution imagery showing the boundaries of objects clearly. When urban areas are analyzed in detail using the high resolution imagery, the size of analyzed zone is apt to be decided arbitrarily. Sufficient prior information about study area makes the decision of analysis zone possible; otherwise, it is difficult to determine the optimized analysis zone using only satellite imagery. In this study, the variograms of artificial simple images are analyzed before applying to the real satellite images. As a result of the analysis of simple images, the sill has an effect on the density of objects and also the size of objects and spacing influence the range. The variograms of real satellite images are analyzed with reference to the result of model test and are applied to determining the optimized analysis zone. This study shows that variogram can be applied to determining effectively the optimized analysis zone in case of no prior information on study area; moreover it will be expected to be used for an index to express the characteristics of urban imagery as well as conventional kriging and simulation.
Keywords
high resolution imagery; the optimized analysis zone; urban; variogram;
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Times Cited By KSCI : 1  (Citation Analysis)
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