Statistical Convolutional Neural Network for Land-Cover Classification From SAR Images | IEEE Journals & Magazine | IEEE Xplore

Statistical Convolutional Neural Network for Land-Cover Classification From SAR Images


Abstract:

Synthetic aperture radar (SAR) images inherently present random and complex spatial patterns, which makes the land-cover classification from SAR images a challenging task...Show More

Abstract:

Synthetic aperture radar (SAR) images inherently present random and complex spatial patterns, which makes the land-cover classification from SAR images a challenging task. A convolutional neural network (CNN) has been applied to the land-cover classification. However, the statistical properties of an SAR image have not yet been explicitly considered by CNN for feature extraction. To address this problem, this letter presents a statistical CNN (SCNN) for land-cover classification from SAR images, which enables the representation of learning and statistical analysis to be implemented with a unified framework. In the proposed SCNN, the distribution of mid-level primitive features, extracted by representation learning, is characterized by their first- and second-order statistics. These statistics are used to fit the land-cover representations, which encode the statistical properties of the SAR image in the feature space. Experiments on the TerraSAR-X data demonstrate that the SCNN is effective and efficient for the land-cover classification from SAR images.
Published in: IEEE Geoscience and Remote Sensing Letters ( Volume: 17, Issue: 9, September 2020)
Page(s): 1548 - 1552
Date of Publication: 07 November 2019

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