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Published in 2019 at "Neural Computing and Applications"
DOI: 10.1007/s00521-019-04117-9
Abstract: Unsupervised feature selection is an important machine learning task since the manual annotated data are dramatically expensive to obtain and therefore very limited. However, due to the existence of noise and outliers in different data…
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Keywords:
sparse regression;
feature selection;
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Published in 2021 at "Annals of Operations Research"
DOI: 10.1007/s10479-021-04089-x
Abstract: The multivariate adaptive regression splines (MARS) model is a flexible non-parametric sparse regression algorithm and provides an excellent promise to data fitting through nonlinear basis functions. During the last decades, it is employed in many…
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Keywords:
regression;
short long;
gas demand;
sparse regression ... See more keywords
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Published in 2020 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2020.08.054
Abstract: Sparse mathematical modelling plays an increasingly important role in chemometrics due to its interpretability and prediction power. While many sparse techniques used in chemometrics rely on L1 penalization to create sparser models, Mixed Integer Optimization…
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Keywords:
sparse regression;
sparse;
mio;
integer optimization ... See more keywords
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Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.12.038
Abstract: Abstract This paper presents a Scaled Sequential Thresholded Least Squares (S2TLS) algorithm to construct sparse regression models for flight load prediction. The combined use of a sparsification parameter λ and a magnification factor χ is…
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Keywords:
flight;
s2tls algorithm;
sparse regression;
load ... See more keywords
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Published in 2021 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2021.10.031
Abstract: Total variation (TV) and non-local self-similarity (NSS) are powerful tools for successfully enhancing compressive sensing performance. However, standard TV approaches often over-smooth detailed edges in the image, due to the uniform regularization of gradient magnitude.…
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Keywords:
compressive sensing;
image;
sparse regression;
total variation ... See more keywords
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Published in 2022 at "Robotics and Computer-Integrated Manufacturing"
DOI: 10.1016/j.rcim.2021.102262
Abstract: Abstract In this work, an eye to hand camera based pose estimation system is developed for robotic machining and the accuracy of the estimated pose is improved using two different approaches, namely Long Short Term…
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Keywords:
robotic machining;
pose estimation;
sparse regression;
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Published in 2019 at "Journal of Applied Statistics"
DOI: 10.1080/02664763.2019.1566448
Abstract: ABSTRACT Regression analysis has been proven to be a quite effective tool in a large variety of fields. In many regression models, it is often assumed that noise is with a specific distribution. Although the…
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Keywords:
sparse regression;
regression;
mog lasso;
model ... See more keywords
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Published in 2021 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2021.3115172
Abstract: Sparse hyperspectral unmixing has been a hot topic in recent years. Joint sparsity assumes that each pixel in a small neighborhood of hyperspectral images (HSIs) is composed of the same endmembers, which results in a…
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Keywords:
hyperspectral unmixing;
bilateral joint;
joint sparse;
sparse regression ... See more keywords
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Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2021.3133428
Abstract: Sparse unmixing with a semisupervised fashion has been applied to hyperspectral remote sensing imagery. However, the imprecise spatial contextual information, the lack of global feature and the high mutual coherences of a spectral library greatly…
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Keywords:
sparse regression;
collaborative sparse;
weighted collaborative;
sparse ... See more keywords
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Published in 2017 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2017.2649418
Abstract: Semisupervised hyperspectral unmixing finds the ratio of spectral library members in the mixture of hyperspectral pixels to find the proportion of pure materials in a natural scene. The two main challenges are noise in observed…
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Keywords:
model;
sparse regression;
hyperspectral unmixing;
semisupervised hyperspectral ... See more keywords
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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3218730
Abstract: Sparse regression relaxes the difficulties of blind unmixing of hyperspectral data thanks to the spectral library. Many investigations, however, attach importance to global priors such as sparsity and low rankness. This letter proposes a local-global-based…
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Keywords:
sparsity;
sparse regression;
local sparsity;
regression unmixing ... See more keywords