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• W2086691591 abstract "Principal Component Analysis (PCA) has been widely used for manifold description and dimensionality reduction. Performance of PCA is however hampered when data exhibits nonlinear feature relations. In this work, we propose a new framework for manifold learning based on the use of a sequence of Principal Polynomials that capture the eventually nonlinear nature of the data. The proposed Principal Polynomial Analysis (PPA) is shown to generalize PCA. Unlike recently proposed nonlinear methods (e.g. spectral/kernel methods and projection pursuit techniques, neural networks), PPA features are easily interpretable and the method leads to a fully invertible transform, which is a desirable property to evaluate performance in dimensionality reduction. Successful performance of the proposed PPA is illustrated in dimensionality reduction, in compact representation of non-Gaussian image textures, and multispectral image classification." @default.
• W2086691591 created "2016-06-24" @default.
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• W2086691591 date "2012-09-01" @default.
• W2086691591 modified "2023-10-01" @default.
• W2086691591 title "Nonlinear data description with Principal Polynomial Analysis" @default.
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• W2086691591 doi "https://doi.org/10.1109/mlsp.2012.6349786" @default.
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