Supervised Classification of Very High Resolution Optical Images Using Wavelet-Based Textural Features

Abstract : In this paper, we explore the potentialities of using wavelet-based multivariate models for the classification of Very High Resolution optical images. A strategy is proposed to apply these models in a supervised classification framework. This strategy includes a Content-Based Image Retrieval analysis applied on a texture database prior to the classification in order to identify which multivariate model performs the best in the context of application. Once identified, the best models are further applied in a supervised classification procedure by extracting texture features from a learning database as well as from regions obtained by a pre-segmentation of the image to classify. The classification is then operated according to the decision rules of the chosen classifier. The use of the proposed strategy is illustrated in two real case applications using Pléiades panchromatic images: the detection of vineyards and the detection of cultivated oyster fields. In both cases, at least one of the tested multivariate models displays higher classification accuracies than Gray Level Co-occurrence Matrix descriptors. Its high adaptability and the low number of parameters to be set are other advantages of the proposed approach.
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Olivier Regniers, Lionel Bombrun, Virginie Lafon, Christian Germain. Supervised Classification of Very High Resolution Optical Images Using Wavelet-Based Textural Features. IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2016, 54 (6), pp.3722-3735. ⟨10.1109/TGRS.2016.2526078⟩. ⟨hal-01316398⟩

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