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Conference Paper

A Novel Active Learning Strategy for Domain Adaptation in the Classification of Remote Sensing Images


Persello,  C
Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Persello, C. (2011). A Novel Active Learning Strategy for Domain Adaptation in the Classification of Remote Sensing Images. In IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2011) (pp. 3720-3723). Piscataway, NJ, USA: IEEE.

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We present a novel technique for addressing domain adaptation problems in the classification of remote sensing images with active learning. Domain adaptation is the important problem of adapting a supervised classifier trained on a given image (source domain) to the classification of another similar (but not identical) image (target domain) acquired on a different area, or on the same area at a different time. The main idea of the proposed approach is to iteratively labeling and adding to the training set the minimum number of the most informative samples from target domain, while removing the source-domain samples that does not fit with the distributions of the classes in the target domain. In this way, the classification system exploits already available information, i.e., the labeled samples of source domain, in order to minimize the number of target domain samples to be labeled, thus reducing the cost associated to the definition of the training set for the classification of the target domain. Experimental results obtained in the classification of a hyperspectral image confirm the effectiveness of the proposed technique.