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Urban Land-use Classification Using Variogram-based Analysis with an Aerial Photograph

In this study, a variogram-based texture analysis was tested for classifying detailed urban land-use classes, such as mobile home, single-family house, multi-family house, industrial, and commercial from a digital color infrared aerial photograph. Spectral classification was first carried out to sep...

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Bibliographic Details
Published in:Photogrammetric engineering and remote sensing 2006-07, Vol.72 (7), p.813-822
Main Authors: Wu, Shuo-sheng, Xu, Bing, Wang, Le
Format: Article
Language:English
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Summary:In this study, a variogram-based texture analysis was tested for classifying detailed urban land-use classes, such as mobile home, single-family house, multi-family house, industrial, and commercial from a digital color infrared aerial photograph. Spectral classification was first carried out to separate the building class from non-building classes. Then, a building-presence binary image was generated so that building pixels were assigned a value of "1" and non-building pixels were assigned a value of "0." Multiple texture bands were further generated employing a vari-ogram-based texture analysis and used for land-use classification. The generation of the building presence binary image allowed us not only to fully explore the capability of variogram-based analysis on spatial pattern detection, but also to prevent the variogram-based analysis from being disturbed by the natural fluctuation of spectral signals. The result from using a mosaic test image was considered satisfactory with a kappa coefficient of 0.72.
ISSN:0099-1112
2374-8079
DOI:10.14358/PERS.72.7.813