Nonlinear unmixing of hyperspectral images: Models and algorithms

N Dobigeon, JY Tourneret, C Richard… - IEEE Signal …, 2013 - ieeexplore.ieee.org
When considering the problem of unmixing hyperspectral images, most of the literature in
the geoscience and image processing areas relies on the widely used linear mixing model …

Linear and nonlinear dimensionality reduction from fluid mechanics to machine learning

MA Mendez - Measurement Science and Technology, 2023 - iopscience.iop.org
Dimensionality reduction is the essence of many data processing problems, including
filtering, data compression, reduced-order modeling and pattern analysis. While traditionally …

Comparing different nonlinear dimensionality reduction techniques for data-driven unsteady fluid flow modeling

H Csala, S Dawson, A Arzani - Physics of Fluids, 2022 - pubs.aip.org
Computational fluid dynamics (CFD) is known for producing high-dimensional
spatiotemporal data. Recent advances in machine learning (ML) have introduced a myriad …

A kernel-based low-rank (KLR) model for low-dimensional manifold recovery in highly accelerated dynamic MRI

U Nakarmi, Y Wang, J Lyu, D Liang… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
While many low rank and sparsity-based approaches have been developed for accelerated
dynamic magnetic resonance imaging (dMRI), they all use low rankness or sparsity in input …

Circuit depth reduction for gate-model quantum computers

L Gyongyosi, S Imre - Scientific reports, 2020 - nature.com
Quantum computers utilize the fundamentals of quantum mechanics to solve computational
problems more efficiently than traditional computers. Gate-model quantum computers are …

Online kernel principal component analysis: A reduced-order model

P Honeine - IEEE transactions on pattern analysis and …, 2011 - ieeexplore.ieee.org
Kernel principal component analysis (kernel-PCA) is an elegant nonlinear extension of one
of the most used data analysis and dimensionality reduction techniques, the principal …

Linear and nonlinear unmixing in hyperspectral imaging

N Dobigeon, Y Altmann, N Brun… - Data Handling in Science …, 2016 - Elsevier
Mainly due to the limited spatial resolution of the data acquisition devices, hyperspectral
image pixels generally result from the mixture of several components that are present in the …

Euler principal component analysis

S Liwicki, G Tzimiropoulos, S Zafeiriou… - International journal of …, 2013 - Springer
Abstract Principal Component Analysis (PCA) is perhaps the most prominent learning tool
for dimensionality reduction in pattern recognition and computer vision. However, the ℓ 2 …

Input output kernel regression: Supervised and semi-supervised structured output prediction with operator-valued kernels

C Brouard, M Szafranski, F d'Alché-Buc - Journal of Machine Learning …, 2016 - jmlr.org
In this paper, we introduce a novel approach, called Input Output Kernel Regression (IOKR),
for learning mappings between structured inputs and structured outputs. The approach …

Regularized kernel PCA for the efficient parameterization of complex geological models

HX Vo, LJ Durlofsky - Journal of Computational Physics, 2016 - Elsevier
The use of geological parameterization procedures enables high-fidelity geomodels to be
represented in terms of relatively few variables. Such parameterizations are particularly …