Experimental comparison of functional and multivariate spectral-based supervised classification methods in hyperspectral image

Anthony Zullo, Mathieu Fauvel and Frédéric Ferraty

Journal of Applied Statistics, 2018, vol. 45, issue 12, 2219-2237

Abstract: The aim of this article is to assess and compare several statistical methods for hyperspectral image supervised classification only using the spectral dimension. Since hyperspectral profiles may be viewed either as a random vector or a random curve, we propose to confront various multivariate discriminating procedures with functional alternatives. Eight methods representing three important statistical communities (mixture models, machine learning and functional data analysis) have been applied on three hyperspectral datasets following three protocols studying the influence of size and composition of the learning sample, with or without noised labels. Besides this comparative study, this work proposes a functional extension of multinomial logit model as well as a fast computing adaptation of the nonparametric functional discrimination. As a by-product, this work provides a useful comprehensive bibliography and also supplemental material especially oriented towards practitioners.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:taf:japsta:v:45:y:2018:i:12:p:2219-2237

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DOI: 10.1080/02664763.2017.1414162

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