• openAccess   Gain-switched semiconductor lasers with pulsed excitation and optical injection for dual-comb spectroscopy 

      Quevedo-Galán, Clara; Durán, Vicente; Rosado, A.; Pérez-Serrano, A.; Garcia Tijero, Jose Manuel; Esquivias, I. Optical Society of America (2020-10-26)
      In this work we demonstrate the capability of two gain-switched optically injected semiconductor lasers to perform high-resolution dual-comb spectroscopy. The use of low duty cycle pulse trains to gain switch the lasers, ...
    • openAccess   Gait recognition from corrupted silhouettes: a robust statistical approach 

      Ortells Lorenzo, Javier; Mollineda, Ramón A.; Mederos, Boris; Martín Félez, Raúl Springer Verlag (2016-07)
      This paper introduces a method based on robust statistics to build reliable gait signatures from averaging silhouette descriptions, mainly when gait sequences are affected by severe and persistent defects. The term robust ...
    • openAccess   Gait-based Gender Classification Considering Resampling and Feature Selection 

      Martín Félez, Raúl; García, Vicente; Sánchez Garreta, Josep Salvador Engineering and Technology Publishing (2013-06)
      Two intrinsic data characteristics that arise in many domains are the class imbalance and the high dimensionality, which pose new challenges that should be addressed. When using gait for gender classification, benchmarking ...
    • openAccess   Gauss-Bonnet formulae and rotational integrals in constant curvature spaces 

      Barahona, S.; Gual-Arnau, Ximo Elsevier (2017-02)
      We obtain generalizations of the main result in [10], and then provide geometric interpretations of linear combinations of the mean curvature integrals that appear in the Gauss–Bonnet formula for hypersurfaces in space ...
    • openAccess   Gene selection and disease prediction from gene expression data using a two-stage hetero-associative memory 

      Cleofás Sánchez, Laura; Sánchez Garreta, Josep Salvador; García, Vicente Springer Verlag (2019)
      In general, gene expression microarrays consist of a vast number of genes and very few samples, which represents a critical challenge for disease prediction and diagnosis. This paper develops a two-stage algorithm that ...
    • openAccess   Generalized elastodynamic model for nanophotonics 

      Álvarez, J. V.; Djafari Rouhani, Bahram; Torrent, Daniel American Physical Society (2020)
      A self-consistent theory for the classical description of the interaction of light and matter at the nanoscale is presented, which takes into account spatial dispersion. Up to now, the Maxwell equations in nanostructure ...
    • openAccess   Generalized Linear Models for Geometrical Current predictors. An application to predict garment fit 

      Barahona-Albiol, Sònia; Centella, P.; Gual-Arnau, Ximo; Ibáñez Gual, Maria Victoria; Simó, Amelia SAGE Publications (2019)
      The aim of this paper is to model an ordinal response variable in terms of vector-valued functional data included on a vector-valued RKHS. In particular, we focus on the vector-valued RKHS obtained when a geometrical ...
    • openAccess   Generalized Scalable Neighborhood Component Analysis for Single and Multi-Label Remote Sensing Image Characterization 

      kang, jian; SCARANO, Antonio; Plaza, Antonio IEEE (2021)
      Deep metric learning has recently become a prominent technology for the semantic understanding ofremote sensing (RS) scenes due to its great potential for characterizing visual semantics. However, state-of-the-art deep ...
    • closedAccess   Generation of multifocal irradiance patterns by using complex Fresnel holograms 

      Mendoza-Yero, Omel; Carbonell Leal, Miguel; Mínguez-Vega, Gladys; Lancis, Jesús Optical Society of America (2018)
      We experimentally demonstrate Fresnel holograms able to produce multifocal irradiance patterns with micrometric spatial resolution. These holograms are assessed from the coherent sum of multiple Fresnel lenses. The utilized ...
    • openAccess   Generation of programmable 3D optical vortex structures through devil’s vortex-lens arrays 

      Calabuig Barroso, Alejandro; Sánchez Ruiz, Sergio; Martínez-León, Lluís; Tajahuerce, Enrique; Fernández Alonso, Mercedes; Furlan, Walter; Monsoriu, Juan A.; Pons Martí, Amparo The Optical Society (OSA) (2013-08)
      Different spatial distributions of optical vortices have been generated and characterized by implement- ing arrays of devil’s vortex lenses in a reconfigurable spatial light modulator. A simple design procedure assigns the ...
    • openAccess   Geographic Information Need to Know (GIN2K): towards a more demand driven geospatial workforce education system 

      Aguilar Moreno, Estefanía; Casteleyn, Sven; Huerta, Joaquin National Technical University of Athens, School of Rural and Surveying Engineering (2015-11-07)
      The development of the Geographic Information Science & Technology (GI S&T) Body of Knowledge (BoK) in 2006 was a milestone achievement in the geospatial domain. It collects, describes and structures important concepts ...
    • openAccess   Geometric analysis of planar shapes with applications to cell deformations 

      Gual-Arnau, Ximo; Herold-García, Silena; Simó, Amelia International Society for Stereology (2015-07)
      Shape analysis is of great importance in many fields such as computer vision, medical imaging, and computational biology. In this paper we focus on a shape space in which shapes are represented by means of planar closed ...
    • openAccess   Geometric approach to non-relativistic quantum dynamics of mixed states 

      Gimeno, Vicent; Martínez Sotoca, José AIP Publishing LLC (2013-05)
      In this paper we propose a geometrization of the non-relativistic quantum mechanics for mixed states. Our geometric approach makes use of the Uhlmann's principal fibre bundle to describe the space of mixed states and as a ...
    • openAccess   Geoskills among academic librarians in Greece, Cyprus and Spain 

      Vardakosta, Ifigenia; Aguilar Moreno, Estefanía; Granell, Carlos; Kapidakis, Sarantos Elsevier (2016)
      Existing literature on Geographic Information (GI) and libraries points out that American and Canadian librarians have long been aware of the intimate relationship between geospatial data and libraries. In Europe, though, ...
    • openAccess   Geospatial Analysis of Extreme Weather Events in Nigeria (1985–2015) Using Self-Organizing Maps 

      Akande, Adeoluwa; Costa, Ana Cristina; Mateu, Jorge; Henriques, Roberto (2017)
      The explosion of data in the information age has provided an opportunity to explore the possibility of characterizing the climate patterns using data mining techniques. Nigeria has a unique tropical climate with two ...
    • openAccess   Geospatial information infrastructures 

      Schade, Sven; Granell, Carlos; Vancauwenberghe, Glenn; Kessler, Carsten; Vandenbroucke, Danny; Masser, Ian; gould, michael Springer (2020)
      Geospatial information infrastructures (GIIs) provide the technological, semantic,organizationalandlegalstructurethatallowforthediscovery,sharing,and use of geospatial information (GI). In this chapter, we introduce the ...
    • openAccess   Geospatial information infrastructures to address spatial needs in health: Collaboration, challenges and opportunities 

      Granell, Carlos; Belmonte-Fernández, Óscar; Díaz Sánchez, Laura Elsevier (2013)
      Most health-related issues such as public health outbreaks and epidemiological threats are better understood from a spatial–temporal perspective and, clearly demand related geospatial datasets and services so that decision ...
    • closedAccess   Geostatistical methods to identify and map spatial variations of soil salinity 

      Juan, Pablo; Mateu, Jorge; Jordán Vidal, Manuel Miguel; Mataix-Solera, Jorge; Meléndez-Pastor, I.; Navarro Pedreño, José Elsevier (2011-01)
      The problem of estimating and predicting spatial distribution of a spatial stochastic process, observed at irregular locations in space, is considered in this paper. Environmental variables usually show spatial dependencies ...
    • closedAccess   Geostatistical mixed beta regression: a Bayesian approach 

      Lagos Álvarez, Bernardo M.; Fustos Toribio, Roberto Miguel; Figueroa Zúñiga, Jorge; Mateu, Jorge Springer Verlag (2017)
      This paper develops regression techniques for geostatistical data, with an emphasis in proportions mea- sured on a continuous scale. Specifically, it deals with Beta regression models with mixed effects to control the ...
    • openAccess   Gestión de datos geográficos en bibliotecas universitarias españolas: estado de la cuestión 

      Aguilar Moreno, Estefanía; Granell, Carlos CSIC (2015)
      Este trabajo presenta los resultados de una encuesta sobre la gestión de datos geográficos digitales en bibliotecas universitarias españolas. El objetivo de la investigación es averiguar en qué estado se encuentran las ...