1 code implementation • 5 Dec 2022 • Lorena Calvo-Bartolomé, Jerónimo Arenas-García
Over the last years, topic modeling has emerged as a powerful technique for organizing and summarizing big collections of documents or searching for particular patterns in them.
no code implementations • 22 Dec 2021 • Sergio Muñoz-Romero, Vanessa Gómez-Verdejo, Jerónimo Arenas-García
Multivariate Analysis (MVA) comprises a family of well-known methods for feature extraction which exploit correlations among input variables representing the data.
no code implementations • 22 Dec 2021 • Jerónimo Arenas-García, Luis A. Azpicueta-Ruiz, Magno T. M. Silva, Vitor H. Nascimento, Ali H. Sayed
Adaptive filters are at the core of many signal processing applications, ranging from acoustic noise supression to echo cancelation, array beamforming, channel equalization, to more recent sensor network applications in surveillance, target localization, and tracking.
no code implementations • 26 Jun 2018 • Simón Roca-Sotelo, Jerónimo Arenas-García
Experiments show that this is a proper methodology to highlight certain paragraphs in structured documents at the same time we learn interesting and more diverse topics.
no code implementations • 9 May 2016 • Sergio Muñoz-Romero, Vanessa Gómez-Verdejo, Jerónimo Arenas-García
Multivariate Analysis (MVA) comprises a family of well-known methods for feature extraction that exploit correlations among input variables of the data representation.
no code implementations • 29 Sep 2015 • Jesus Fernandez-Bes, Rocío Arroyo-Valles, Jerónimo Arenas-García, Jesús Cid-Sueiro
In this paper, we analyze energy-harvesting adaptive diffusion networks for a distributed estimation problem.
no code implementations • 8 Apr 2015 • Jesus Fernandez-Bes, Jerónimo Arenas-García, Magno T. M. Silva, Luis A. Azpicueta-Ruiz
In this paper, we deal with distributed estimation problems in diffusion networks with heterogeneous nodes, i. e., nodes that either implement different adaptive rules or differ in some other aspect such as the filter structure or length, or step size.
no code implementations • 26 Oct 2014 • Bijit Kumar Das, Mrityunjoy Chakraborty, Jerónimo Arenas-García
In-network distributed estimation of sparse parameter vectors via diffusion LMS strategies has been studied and investigated in recent years.
no code implementations • 18 Oct 2013 • Jerónimo Arenas-García, Kaare Brandt Petersen, Gustavo Camps-Valls, Lars Kai Hansen
Feature extraction and dimensionality reduction are important tasks in many fields of science dealing with signal processing and analysis.