Image and Signal Processing Methods

Fuzzy c-means clustering algorithm incorporating neighborhood relations for synthetic aperture radar image segmentation

[+] Author Affiliations
Jian Ji, Zhipeng Wu, Jingjing Huang

Xidian University, School of Computer Science and Technology, 2 South Taibai Road, Xi’an 710071, China

J. Appl. Remote Sens. 9(1), 095076 (Jun 23, 2015). doi:10.1117/1.JRS.9.095076
History: Received January 27, 2015; Accepted May 27, 2015
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Abstract.  Bright and dark spots in synthetic aperture radar (SAR) images, a phenomenon called speckle noise, make SAR images difficult to segment. A robust fuzzy c-means clustering algorithm incorporating neighborhood relations (FCMNR) for SAR image segmentation is presented. First, target information is extracted based on the principle of probability maximization and the spatial correlation between neighboring pixels to estimate the degree of noise influence on image pixels, and then a tradeoff weighted factor incorporating neighborhood relations is built, which improves the performance of FCMNR by cutting down on the impacts of noisy pixels and preventing the misclassification of central pixels. It is worth noting that the new method avoids the selection of the empirically adjusted parameters (α,λg,λs) incorporated into all the other fuzzy c-means algorithms mentioned in the literature. Finally, in comparison with robust fuzzy local c-means clustering (FLICM) and fuzzy c-means clustering with local information and kernel metric (KWFLICM), experiments performed on synthetic and X-band TerraSAR images illustrate the excellent performance of the new method.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jian Ji ; Zhipeng Wu and Jingjing Huang
"Fuzzy c-means clustering algorithm incorporating neighborhood relations for synthetic aperture radar image segmentation", J. Appl. Remote Sens. 9(1), 095076 (Jun 23, 2015). ; http://dx.doi.org/10.1117/1.JRS.9.095076


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