HUANG Hong,QU Huan-peng,. Hyperspectral remote sensing image classification based on SSDE[J]. Editorial Office of Optics and Precision Engineering, 2014,22(2): 434-442
To improve the classification accuracy of hyperspectral remote sensing images by utilizing labeled and unlabeled samples
a new semi-supervised manifold learning method called Semi-supervised Sparse Discriminant Embedding (SSDE) is proposed. By combining the advantages of manifold structure among classes and sparsity
the algorithm not only preserves the sparse reconstruction relationship between the samples
but also gets the intrinsic attribute of high dimensional data and the manifold structure of low dimensional data by introducing a few labeled training samples and a large number of unlabeled training samples .So
it extracts the discriminant feature of data and improves the classification accuracy . The classification experiments in Washington DC Mall and Indian Pine data set show that the method is a more effective way to find the internal structure of data in a high dimensional space. Compared to other methods
the SSDE obviously improves the classification performance. By taking randomly selected 8 training samples with classification labels and 60 ones without classification labels as examples
the highest classification precision of SSDE respectively reach 77.36% in Indian Pine and 97.85% in Washington DC Mall data set.
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