The impact of multivariate quasi-flat zones on the morphological description of hyperspectral images
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Date
2014
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Taylor & Francis Ltd
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Abstract
Quasi-flat zones are powerful morphological image simplification tools capable of producing unique image partitions at multiple scales. In this paper we investigate their impact on the morphological description of hyperspectral images and, specifically, whether they can improve classification performance when used for preprocessing. In particular, we employ them in order to group spatially adjacent pixels according to spectral criteria, prior to the computation of extended morphological profiles. Moreover, we explore both marginal quasi-flat zones and recent multivariate extensions using well-known vector orderings. The method studied is tested with multiple hyperspectral images, where it leads consistently to improvements in classification performance.
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Aptoula, Erchan/0000-0001-6168-2883
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9
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Q2
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Q1
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Volume
35
Issue
10
Start Page
3482
End Page
3498