Kernel Supervised Ensemble Classifier for the Classification of Hyperspectral Data Using Few Labeled Samples
AbstractKernel-based methods and ensemble learning are two important paradigms for the classification of hyperspectral remote sensing images. However, they were developed in parallel with different principles. In this paper, we aim to combine the advantages of kernel and ensemble methods by proposing a kernel supervised ensemble classification method. In particular, the proposed method, namely RoF-KOPLS, combines the merits of ensemble feature learning (i.e., Rotation Forest (RoF)) and kernel supervised learning (i.e., Kernel Orthonormalized Partial Least Square (KOPLS)). In particular, the feature space is randomly split into K disjoint subspace and KOPLS is applied to each subspace to produce the new features set for the training of decision tree classifier. The final classification result is assigned to the corresponding class by the majority voting rule. Experimental results on two hyperspectral airborne images demonstrated that RoF-KOPLS with radial basis function (RBF) kernel yields the best classification accuracies due to the ability of improving the accuracies of base classifiers and the diversity within the ensemble, especially for the very limited training set. Furthermore, our proposed method is insensitive to the number of subsets. View Full-Text
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Chen, J.; Xia, J.; Du, P.; Chanussot, J.; Xue, Z.; Xie, X. Kernel Supervised Ensemble Classifier for the Classification of Hyperspectral Data Using Few Labeled Samples. Remote Sens. 2016, 8, 601.
Chen J, Xia J, Du P, Chanussot J, Xue Z, Xie X. Kernel Supervised Ensemble Classifier for the Classification of Hyperspectral Data Using Few Labeled Samples. Remote Sensing. 2016; 8(7):601.Chicago/Turabian Style
Chen, Jike; Xia, Junshi; Du, Peijun; Chanussot, Jocelyn; Xue, Zhaohui; Xie, Xiangjian. 2016. "Kernel Supervised Ensemble Classifier for the Classification of Hyperspectral Data Using Few Labeled Samples." Remote Sens. 8, no. 7: 601.
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