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IEICE TRANSACTIONS on Information

Extreme Learning Machine with Superpixel-Guided Composite Kernels for SAR Image Classification

Dongdong GUAN, Xiaoan TANG, Li WANG, Junda ZHANG

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Summary :

Synthetic aperture radar (SAR) image classification is a popular yet challenging research topic in the field of SAR image interpretation. This paper presents a new classification method based on extreme learning machine (ELM) and the superpixel-guided composite kernels (SGCK). By introducing the generalized likelihood ratio (GLR) similarity, a modified simple linear iterative clustering (SLIC) algorithm is firstly developed to generate superpixel for SAR image. Instead of using a fixed-size region, the shape-adaptive superpixel is used to exploit the spatial information, which is effective to classify the pixels in the detailed and near-edge regions. Following the framework of composite kernels, the SGCK is constructed base on the spatial information and backscatter intensity information. Finally, the SGCK is incorporated an ELM classifier. Experimental results on both simulated SAR image and real SAR image demonstrate that the proposed framework is superior to some traditional classification methods.

Publication
IEICE TRANSACTIONS on Information Vol.E101-D No.6 pp.1703-1706
Publication Date
2018/06/01
Publicized
2018/03/14
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDL8281
Type of Manuscript
LETTER
Category
Pattern Recognition

Authors

Dongdong GUAN
  National University of Defense Technology
Xiaoan TANG
  National University of Defense Technology
Li WANG
  National University of Defense Technology
Junda ZHANG
  National University of Defense Technology

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