NDLI: Classification of coastal wetlands in eastern China using polarimetric SAR data

Content Provider	Springer Nature Link
Author	Chen, Yuanyuan He, Xiufeng Wang, Jing
Copyright Year	2015
Abstract	This study was initiated to classify Jiangsu coastal wetlands, which are situated on the north bank of the Yangtze River in eastern China, using fully polarimetric synthetic aperture radar (PolSAR) data with an improved classification scheme. First, Cloude-Pottier decomposition was completed to obtain polarimetric parameters. Then, the data were classified into 24 clusters using the decomposed parameters. Third, the agglomerative hierarchical-clustering algorithm was applied to merge the clusters into seven classes; the outcomes were regarded as initial values in the subsequent processing. Finally, the improved fuzzy C-means (FCM) algorithm, in which a fuzzy factor was introduced and the traditional Euclidean distance was replaced by the Wishart distance, was used to adjust the land cover boundaries. The experiment results revealed that for similar scattering mechanisms with different scattering intensities, the proposed method presented a satisfactory performance, with an overall accuracy of 86.93 %. The accuracies of seven land cover types were much higher and the boundaries were more clear when using the proposed method compared with two other methods. The study demonstrated the potential of using L-band fully polarimetric SAR data in coastal wetland classification.
Starting Page	10203
Ending Page	10211
Page Count	9
File Format	PDF
ISSN	18667511
Journal	Arabian Journal of Geosciences
Volume Number	8
Issue Number	12
e-ISSN	18667538
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-05-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polarimetric SAR (PolSAR) Polarimetric decomposition Wetland classification Fuzzy C-means (FCM) Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Environmental Science

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