Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29290
Title: A fuzzy topology-based maximum likelihood classification
Authors: Liu, K
Shi, W 
Zhang, H
Keywords: Fuzzy topology
Land cover mapping
Maximum likelihood classification (MLC)
Remote sensing
Thresholding
Issue Date: 2011
Source: ISPRS Journal of Photogrammetry and Remote Sensing, 2011, v. 66, no. 1, p. 103-114 How to cite?
Journal: ISPRS Journal of Photogrammetry and Remote Sensing 
Abstract: Classification is one of the most widely used remote sensing analysis techniques, with the maximum likelihood classification (MLC) method being a major tool for classifying pixels from an image. Fuzzy topology, in which the set concept is generalized from two values, {0, 1}, to the values of a continuous interval, [0, 1], is a generalization of ordinary topology and is used to solve many GIS problems, such as spatial information management and analysis. Fuzzy topology is induced by traditional thresholding and as such gives a decomposition of MLC classes.Presented in this paper is an image classification modification, by which induced threshold fuzzy topology is integrated into the MLC method (FTMLC). Hence, by using the induced threshold fuzzy topology, each image class in spectral space can be decomposed into three parts: an interior, a boundary and an exterior. The connection theory in induced fuzzy topology enables the boundary to be combined with the interior. That is, a new classification method is derived by integrating the induced fuzzy topology and the MLC method. As a result, fuzzy boundary pixels, which contain many misclassified and over-classified pixels, are able to be re-classified, providing improved classification accuracy. This classification is a significantly improved pixel classification method, and hence provides improved classification accuracy.
URI: http://hdl.handle.net/10397/29290
ISSN: 0924-2716
DOI: 10.1016/j.isprsjprs.2010.09.007
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