Results 51 to 60 of about 46,946,015 (232)

Automatization techniques for processing biomedical signals using machine learning methods [PDF]

open access: yes, 2008
The Signal Processing Group (Department of Signal Theory and Communications, University Carlos III, Madrid, Spain) offers the expertise of its members in the automatic processing of biomedical signals.
Artés Rodríguez, Antonio
core   +1 more source

Towards FAIR Data Management in Heritage Science Research: Updates and Progress on the INFRA-ART Spectral Library

open access: yesHeritage
The heritage science sector is facing a critical need for accessible and comprehensive data resources to facilitate research, preservation efforts, and interdisciplinary collaboration. The concept of FAIR data management involves embracing principles and
Ioana Maria Cortea
doaj   +1 more source

Minimax Approach for Semivariogram Fitting in Ordinary Kriging

open access: yesIEEE Access, 2020
This research paper aims to analyze the minimax approach used in the semivariogram fitting process that forms one stage of the kriging operation performed for interpolation.
Andie Setiyoko   +2 more
doaj   +1 more source

Inferring causal relations from multivariate time series : a fast method for large-scale gene expression data [PDF]

open access: yes, 2009
Various multivariate time series analysis techniques have been developed with the aim of inferring causal relations between time series. Previously, these techniques have proved their effectiveness on economic and neurophysiological data, which normally ...
Li, Chang-Tsun, Yuan, Yinyin
core   +1 more source

Monitoring land use changes using geo-information : possibilities, methods and adapted techniques [PDF]

open access: yes, 2001
Monitoring land use with geographical databases is widely used in decision-making. This report presents the possibilities, methods and adapted techniques using geo-information in monitoring land use changes.
Hazeu, G.W., Zeeuw, C.J., de
core   +1 more source

Acceleration techniques for regularized Newton methods applied to electromagnetic inverse medium scattering problems

open access: yes, 2010
We study the construction and updating of spectral preconditioners for regularized Newton methods and their application to electromagnetic inverse medium scattering problems.
Hohage, Thorsten, Langer, Stefan
core   +1 more source

Coupling techniques of Trefftz methods

open access: yesComputer Assisted Methods in Engineering and Science, 2022
The Trefftz method pioneered by Trefftz [71] in 1926 is described as follows: The particular solutions or the fundamental solutions are chosen, a linear combination of those functions is regarded as an approximate solution of partial differential ...
Hung-Tsai Huang   +2 more
doaj  

Accelerating the CLEAN algorithm of radio interferometry with convex optimization

open access: yesAstronomy & Astrophysics
Context. In radio interferometry, images are recovered from incompletely sampled Fourier datasets. The de facto standard algorithm, the Cotton–Schwab CLEAN, iteratively switches between computing a deconvolution (minor loop) and subtracting the model ...
Müller Hendrik   +2 more
doaj   +1 more source

Validation of the pipeline for the 1.4m Milanković telescope [PDF]

open access: yesSerbian Astronomical Journal
In this paper, we present a pipeline written in Python v3.9 that performs reduction of CCD images, astrometric calibration, and photometric measurements for observations made with the 1.4m Milanković telescope, installed at the Astronomical ...
Lalović A.   +3 more
doaj   +1 more source

Boundary-Conforming Finite Element Methods for Twin-Screw Extruders using Spline-Based Parameterization Techniques

open access: yes, 2019
This paper presents a novel spline-based meshing technique that allows for usage of boundary-conforming meshes for unsteady flow and temperature simulations in co-rotating twin-screw extruders.
Elgeti, Stefanie   +3 more
core   +1 more source

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