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19 November 2012 A novel technique for adaptive anomalous change detection in airborne hyperspectral imagery
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Abstract
A novel technique for anomalous change detection in hyperspectral images is presented. It adaptively measures the spectral distance between corresponding pixels in multi-temporal images by exploiting the local estimates of the signal to noise ratio for each spectral component of the pixel under test. Different metrics have been compared, based on multidimensional angular distance. Results obtained by applying the new algorithm to real data are presented and discussed. Performance evaluation highlighted the effectiveness of the proposed approach with respect to traditional methods, resulting in a consistent improvement of both the probability of detection of changes and the capability of suppressing the background.
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Marco Diani, Salvatore Resta, Nicola Acito, Giovanni Corsini, and Sergio Ugo de Ceglie "A novel technique for adaptive anomalous change detection in airborne hyperspectral imagery", Proc. SPIE 8542, Electro-Optical Remote Sensing, Photonic Technologies, and Applications VI, 854220 (19 November 2012); https://doi.org/10.1117/12.974628
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