• openAccess   Using regression models for predicting the product quality in a tubing extrusion process 

      García, Vicente; Sánchez Garreta, Josep Salvador; Rodríguez-Picón, Luis Alberto; Méndez-González, Luis Carlos; Ochoa Domínguez, Humberto de Jesús Springer (2018-05-01)
      Quality in a manufacturing process implies that the performance characteristics of the product and the process itself are designed to meet specific objectives. Thus, accurate quality prediction plays a principal role in ...
    • openAccess   Using SWE Standards for Ubiquitous Environmental Sensing: A Performance Analysis 

      Tamayo Fong, Alain; Granell, Carlos; Huerta, Joaquin MDPI AG (2012-08-31)
      Although smartphone applications represent the most typical data consumer tool from the citizen perspective in environmental applications, they can also be used for in-situ data collection and production in varied scenarios, ...
    • openAccess   Valley Hall phases in kagome lattices 

      Lera, Natalia; Torrent, Daniel; San-Jose, Pablo; Christensen, J.; Álvarez, J. V. American Physical Society (2019)
      We report the finding of the analogous valley Hall effect in phononic systems arising from mirror symmetry breaking, in addition to spatial inversion symmetry breaking. We study topological phases of plates and spring-mass ...
    • closedAccess   Valoración del grado de resección de los macroadenomas hipofisarios en la resonancia magnética posquirúrgica inmediata 

      Taberner López, E.; Vañó Molina, M.; Calatayud, Julia; Jornet, Marc; Jornet Fayos, José; Pastor del Campo, A.; Caño Gómez, A.; Mollá Olmos, Enrique Elsevier (2018)
      Objetivo Comprobar si es posible determinar el grado de resección de macroadenomas hipofisarios en la resonancia magnética (RM) hipofisaria posquirúrgica inmediata. Material y métodos Se revisaron las RM hipofisarias ...
    • openAccess   Video Games and Outdoor Physical Activity for the Elderly: Applications of the HybridPLAY Technology 

      Boj, Clara; Díaz, Diego J.; Portalés, Cristina; Casas, Sergio MDPI (2018-10-14)
      The incorporation of the elderly into digital leisure has been especially driven by the development of games and applications that link the experience of play with beneficial effects for the user. Some of these benefits ...
    • closedAccess   View-dependent pruning for real-time rendering of trees 

      Gumbau Portalés, Jesús; Chover, Miguel; Remolar, Inmaculada; Rebollo Santamaría, Cristina Elsevier (2011-04)
      The main problem in the real-time rendering of vegetation is the massive amount of primitives to be rendered. These primitives are needed to fully describe the geometry of the plants. However, some of them are not visible ...
    • openAccess   View-Dependent Tessellation and Simulation of Ocean Surfaces 

      Puig Centelles, Anna; Ramos, Jose Francisco; Ripollés Mateu, Oscar Enrique; Chover, Miguel; Sbert Casasayas, Mateu Hindawi Publishing Corporation (2014-02)
      Modeling and rendering realistic ocean scenes have been thoroughly investigated for many years. Its appearance has been studied and it is possible to find very detailed simulations where a high degree of realism is achieved. ...
    • openAccess   Viewpoint-Driven Simplification of Plant and Tree Foliage 

      Gasch, Cristina; Remolar, Inmaculada; Chover, Miguel; Rebollo Santamaría, Cristina (2018)
      Plants and trees are an essential part of outdoor scenes. They are represented by such a vast number of polygons that performing real-time visualization is still a problem in spite of the advantages of the hardware. ...
    • openAccess   Virtual Reality versus Desktop Experience in a Dangerous Goods Simulator 

      Chover, Miguel; Martínez Sotoca, José; Marin-Lora, Carlos Serious Games Society (2022-05-31)
      Virtual Reality applications have become a trend in training simulators as an alternative to desktop applications. However, further study is needed on how these types of serious games, which often include several modes of ...
    • openAccess   Vision-based gait impairment analysis for aided diagnosis 

      Ortells Lorenzo, Javier; Herrero Ezquerro, María Trinidad; Mollineda, Ramón A. Springer Verlag (2018)
      Gait is a firsthand reflection of health condition. This belief has inspired recent research efforts to automate the analysis of pathological gait, in order to assist physicians in decision-making. However, most of these ...
    • closedAccess   Visualization of level-of-detail meshes on the GPU 

      Ripollés Mateu, Oscar Enrique; Ramos, Jose Francisco; Chover, Miguel Springer Verlag (2011-09-01)
      Extensive research has been carried out in multiresolution models for many decades. The tendency in recent years has been to harness the potential of GPUs to perform the level-of-detail extraction on graphics hardware. The ...
    • openAccess   Volume growth of submanifolds and the Cheeger isoperimetric constant 

      Gimeno, Vicent; Palmer Andreu, Vicente American Mathematical Society (2013-10)
      We obtain an estimate of the Cheeger isoperimetric constant in terms of the volume growth for a properly immersed submanifold in a Riemannian manifold which possesses at least one pole and sectional curvature bounded from above.
    • openAccess   Volume growth, number of ends and the topology of complete submanifolds 

      Gimeno, Vicent; Palmer Andreu, Vicente arXIV (2012)
      Given a complete isometric immersion $\phi: P^m \longrightarrow N^n$ in an ambient Riemannian manifold $N^n$ with a pole and with radial sectional curvatures bounded from above by the corresponding radial sectional curvatures ...
    • openAccess   W-NetPan: Double-U network for inter-sensor self-supervised pan-sharpening 

      Fernandez-Beltran, Ruben; Fernandez-Botran, Rafael; kang, jian; Pla, Filiberto Elsevier ScienceDirect (2023-02-08)
      The increasing availability of remote sensing data allows dealing with spatial-spectral limitations by means of pan-sharpening methods. However, fusing inter-sensor data poses important challenges, in terms of resolution ...
    • openAccess   Wavelet-Based Entropy Measures to Characterize Two-Dimensional Fractional Brownian Fields 

      Nicolis, Orietta; Mateu, Jorge; Contreras-Reyes, Javier MDPI (2020-02-07)
      The aim of this work was to extend the results of Perez et al. (Physica A (2006), 365 (2), 282–288) to the two-dimensional (2D) fractional Brownian field. In particular, we defined Shannon entropy using the wavelet spectrum ...
    • openAccess   Web 2.0 Broker: A standards-based service for spatio-temporal search of crowd-sourced information 

      Díaz Sánchez, Laura; Granell, Carlos; Huerta, Joaquin; Gould, Michael Elsevier (2012-11)
      Recent trends in information technology show that citizens are increasingly willing to share information using tools provided by Web 2.0 and crowdsourcing platforms to describe events that may have social impact. This is ...
    • openAccess   Web-Based System for Adaptable Rubrics: Case Study on CAD Assessment 

      Company, Pedro; Contero, Manuel; Otey, Jeffrey; Dorribo Camba, Jorge; Agost, Maria-Jesus; Pérez López, David University of North Texas (2017)
      This paper describes the implementation and testing of our concept of adaptable rubrics, defined as analytical rubrics that arrange assessment criteria at multiple levels that can be expanded on demand. Because of its ...
    • openAccess   Weighted Complete Graphs for Condensing Data 

      Guzmán-Ponce, Angélica; Marcial-Romero, J. Raymundo; Valdovinos Rosas, Rosa María; Sánchez Garreta, Josep Salvador Elsevier B.V. (2020-12-01)
      In many real-world problems (such as industrial applications, chemistry models, social network analysis, among others), their solution can be obtained by transforming the problem in terms of vertices and edges, that is ...
    • openAccess   When a totally bounded group topology is the Bohr topology of a LCA group 

      Hernández, Salvador; Trigos, Javier Elsevier (2019-06-01)
      We look at the Bohr topology of maximally almost periodic groups (MAP, for short). Among other results, we investigate when a Hausdorff precompact abelian group (G; w) is the Bohr re ection of a locally compact abelian ...
    • openAccess   Wi-Fi Crowdsourced Fingerprinting Dataset for Indoor Positioning 

      Lohan, Elena Simona; Torres-Sospedra, Joaquín; Leppäkoski, Helena; Richter, Philipp; Peng, Zhe; Huerta, Joaquin MDPI (2017-10-03)
      Benchmark open-source Wi-Fi fingerprinting datasets for indoor positioning studies are still hard to find in the current literature and existing public repositories. This is unlike other research fields, such as the image ...