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pro vyhledávání: '"automatic regularization"'
In this work, we consider the problem of regularization in the design of minimum mean square error (MMSE) linear filters. Using the relationship with statistical machine learning methods, using a Bayesian approach, the regularization parameter is fou
Externí odkaz:
http://arxiv.org/abs/2312.06560
Autor:
Cascarano, Pasquale1 (AUTHOR), Franchini, Giorgia2 (AUTHOR) giorgia.franchini@unimore.it, Kobler, Erich3 (AUTHOR), Porta, Federica2 (AUTHOR), Sebastiani, Andrea1 (AUTHOR)
Publikováno v:
Computational Optimization & Applications. Jan2023, Vol. 84 Issue 1, p125-149. 25p.
Akademický článek
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Autor:
Miqueles, Eduardo, Guerrero, Patricio
Publikováno v:
In Results in Applied Mathematics May 2020 6
Autor:
Schenkels, Nick, Vanroose, Wim
Many inverse problems can be described by a PDE model with unknown parameters that need to be calibrated based on measurements related to its solution. This can be seen as a constrained minimization problem where one wishes to minimize the mismatch b
Externí odkaz:
http://arxiv.org/abs/1804.04542
Autor:
Purisha, Zenith, Karhula, Sakari S., Ketola, Juuso, Rimpeläinen, Juho, Nieminen, Miika T., Saarakkala, Simo, Kröger, Heikki, Siltanen, Samuli
X-ray tomography is a reliable tool for determining the inner structure of 3D object with penetrating X-rays. However, traditional reconstruction methods such as FDK require dense angular sampling in the data acquisition phase leading to long measure
Externí odkaz:
http://arxiv.org/abs/1708.02067
Autor:
Schenkels, Nick, Vanroose, Wim
Publikováno v:
In Journal of Computational and Applied Mathematics 1 March 2019 348:14-25
Publikováno v:
In Computers and Mathematics with Applications 1 July 2018 76(1):58-80
Autor:
Mirzal, Andri
We present a converged algorithm for Tikhonov regularized nonnegative matrix factorization (NMF). We specially choose this regularization because it is known that Tikhonov regularized least square (LS) is the more preferable form in solving linear in
Externí odkaz:
http://arxiv.org/abs/1205.2151
Autor:
Czachor, Marek, Wrzask, Klaudia
Publikováno v:
Int.J.Theor.Phys.48:2511-2549,2009
Electromagnetic fields are quantized in manifestly covariant way by means of a class of reducible representations of CCR. $A_a(x)$ transforms as a Hermitian four-vector field in Minkowski four-position space (no change of gauge), but in momentum spac
Externí odkaz:
http://arxiv.org/abs/0806.3510