Listar ICC_Articles por título

Mostrando ítems 100-119 de 414

    • closedAccess   Blocked algorithms for the reduction to Hessenberg-triangular form revisited 

      Kagstrom, B.; Kressner, Daniel; Quintana-Orti, Enrique S.; Quintana-Ortí, Gregorio Springer (2008-09)
      We present two variants of Moler and Stewart’s algorithm for reducing a matrix pair to Hessenberg-triangular (HT) form with increased data locality in the access to the matrices. In one of these variants, a careful ...

    • openAccess   Bolonia y la COVID-19. Evidencias sobre la autonomía del estudiantado 

      Ferrandez-Berrueco, Reina; Marqués-Andrés, Mercedes; Ruiz-Bernardo, Paola; Arroyo-Ainsa, Patricia Universitat Politècnica de València (2022)
      En los últimos años, surgen en España serias dudas acerca de si realmente se está potenciando la autonomía del alumnado en las aulas universitarias, tal y como promueve el Espacio Europeo de Educación Superior. La situación ...

    • closedAccess   Can AI be a content generator? Effects of content generators and information delivery methods on the psychology of content consumers 

      Kim, Jina; Shin, Soyeon; Bae, Kunwoo; Oh, Soyoung; Park, Eunil; del Pobil, Angel P. Elsevier (2020)
      Considering the rapidly improving technologies in artificial intelligence (AI), researchers in masscommunication and journalism have paid attention to the use of AI technologies. However, thereare still notable concerns ...

    • openAccess   Can Large Educational Institutes Become Free from Grid Systems? Determination of Hybrid Renewable Energy Systems in Thailand 

      Park, Eunil; Kwon, Sang Jib; del Pobil, Angel P. MDPI (2019-06-05)
      In some countries, renewable energy resources have become one of the mainstreams of energy savings and sustainable development. Thailand is one of the major countries to use renewable energy generation facilities in public ...

    • closedAccess   Categorizing paintings in art styles based on qualitative color descriptors, quantitative global features and machine learning (QArt-Learn) 

      Falomir, Zoe; Museros, Lledó; Sanz, Ismael; Gonzalez Abril, Luis Elsevier (2018-05)
      The QArt-Learn approach for style painting categorization based on Qualitative Color Descriptors (QCD), color similarity (SimQCD), and quantitative global features (i.e. average of brightness, hue, saturation and lightness ...

    • openAccess   Characterizing the efficiency of multicore and manycore processors for the solution of sparse linear systems 

      Aliaga Estellés, José Ignacio; Barreda Vayá, Maria; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S. Springer Berlin Heidelberg (2015-09)
      We analyze the efficiency of servers equipped with state-of-the-art general-purpose multicore processors as well as platforms based on accelerators such as graphics processing units (GPUs) and the Intel Xeon Phi. Following ...

    • closedAccess   CLIN-IK-LINKS: A platform for the design and execution of clinical data transformation and reasoning workflows 

      Maldonado, Jose Alberto; Marcos, Mar; Fernández-Breis, Jesualdo Tomás; Giménez-Solano, Vicente Miguel; Legaz-García, María del Carmen; Martínez-Salvador, Begoña (2020-12)
      Background and Objective: Effective sharing and reuse of Electronic Health Records (EHR) requires technological solutions which deal with different representations and different models of data. This includes information ...

    • openAccess   Collaborative Indoor Positioning Systems: A Systematic Review 

      Pascacio, Pavel; Casteleyn, Sven; Torres-Sospedra, Joaquín; Lohan, Elena Simona; Nurmi, Jari MDPI (2021)
      Research and development in Collaborative Indoor Positioning Systems (CIPSs) is growing steadily due to their potential to improve on the performance of their non-collaborative counterparts. In contrast to the outdoors ...

    • closedAccess   Color and texture analysis using emerging parallel architectures 

      Igual, Francisco D.; Mayo, Rafael; Hartley, Timothy; Çatalyürek, Ümit V.; Ruiz, Antonio; Ujaldon, Manuel SAGE Publications (2011-11)
      While image texture is effective for use in pattern-recognition and image-analysis algorithms, textural features are time-consuming to calculate on standard CPUs. Therefore, we present novel implementations of textural-feature ...

    • openAccess   Color image registration under illumination changes 

      Montoliu Colás, Raul; Latorre Carmona, Pedro; Pla, Filiberto Springer Verlag (Germany) (2009)
      The estimation of parametric global motion has had a significant attention during the last two decades, but despite the great efforts invested, there are still open issues. One of the most important ones is related to ...

    • openAccess   Communication in task-parallel ILU-preconditioned CG solversusing MPI + OmpSs 

      Aliaga Estellés, José Ignacio; Barreda Vayá, Maria; Flegar, Goran; Bollhöffer, Matthias; Quintana-Orti, Enrique S. Wiley (2017-11-10)
      We target the parallel solution of sparse linear systems via iterative Krylov subspace–based methods enhanced with incomplete LU (ILU)-type preconditioners on clusters of multicore processors. In order to tackle large-scale ...

    • openAccess   Comparing the Performance of Indoor Localization Systems through the EvAAL Framework 

      Potortì, Francesco; Park, Sangjoon; Jimenez Ruiz, Antonio Ramon; Barsocchi, Paolo; GIROLAMI, MICHELE; Crivello, Antonino; Lee, So-Yeon; Lim, Jae Hyun; Torres-Sospedra, Joaquín; Seco, Fernando; Montoliu Colás, Raul; Mendoza-Silva, Germán Martín; María del Carmen, Pérez Rubio; Cristina, Losada Gutiérrez; Espinosa, Felipe; Macias-Guarasa, Javier MDPI (2017)
      In recent years, indoor localization systems have been the object of significant research activity and of growing interest for their great expected social impact and their impressive business potential. Application areas ...

    • openAccess   Comparison of Parallel Implementation Strategies in GPU-Accelerated System-on-Chip Under Proton Irradiation 

      Badía, José; León, Germán; BELLOCH, JOSE A.; García Valderas, Mario; LINDOSO, ALMUDENA; Entrena, Luis Institute of Electrical and Electronics Engineers (2021-11-16)
      Commercial off-the-shelf (COTS) system-on-chip (SoC) are becoming widespread in embedded systems. Many of them include a multicore central processing unit (CPU) and a high-end graphics processing unit (GPU). They combine ...

    • openAccess   CompaRob: the shopping cart assistance robot 

      Sales Gil, Jorge; Martí Avilés, José Vicente; Marin, Raul; Sanz, Pedro J; Cervera, Enric Hindawi Publishing Corporation (2016)
      Technology has recently been developed which offers an excellent opportunity to design systems with the ability to help people in their own houses. In particular, assisting elderly people in their environments is something ...

    • openAccess   Complete Integration of Team Project-Based Learning Into a Database Syllabus 

      Iserte, Sergio; Tomás, Vicente R.; Pérez-Francisco, Miguel; Castillo Catalán, María Isabel; Boronat, Pablo; García Fernández, Luis Amable IEEE (2022-11-07)
      Team project-based learning (TPBL) combines two learning techniques: 1) project-based learning (PBL) and 2) teamwork. This combination leverages the learning outcomes of both methods and places students in a real work ...

    • openAccess   Comprehensive analysis of distance and similarity measures for Wi-Fi fingerprinting indoor positioning systems 

      Torres-Sospedra, Joaquín; Montoliu Colás, Raul; Trilles, Sergio; Belmonte-Fernández, Óscar; Huerta, Joaquin Elsevier (2015)
      Recent advances in indoor positioning systems led to a business interest in those applications and services where a precise localization is crucial. Wi-Fi fingerprinting based on machine learning and expert systems are ...

    • openAccess   Compressed basis GMRES on high-performance graphics processing units 

      Aliaga Estellés, José Ignacio; Anzt, Hartwig; Tomás Domínguez, Andrés Enrique; Quintana-Orti, Enrique S.; Grützmacher, Thomas Sage (2022-08-05)
      Krylov methods provide a fast and highly parallel numerical tool for the iterative solution of many large-scale sparse linear systems. To a large extent, the performance of practical realizations of these methods is ...

    • openAccess   Compression and load balancing for efficient sparse matrix-vector product on multicore processors and graphics processing units 

      Aliaga Estellés, José Ignacio; Anzt, Hartwig; Grützmacher, Thomas; Quintana-Orti, Enrique S.; Tomás Domínguez, Andrés Enrique John Wiley and Sons (2021)
      We contribute to the optimization of the sparse matrix-vector product by introducing a variant of the coordinate sparse matrix format that balances the workload distribution and compresses both the indexing arrays and the ...

    • openAccess   Computed tomography medical image reconstruction on affordable equipment by using Out-Of-Core technique 

      Chillarón, Mónica; Quintana-Ortí, Gregorio; Vidal, Vicente; Verdú, Gumersindo Elsevier (2020-09)
      Background and objective: As Computed Tomography scans are an essential medical test, many techniques have been proposed to reconstruct high-quality images using a smaller amount of radiation. One approach is to employ ...

    • openAccess   Computer vision methods for robot tasks: Motion detection, depth estimation and tracking 

      Martínez Martín, Ester IOS Press (2012-09)
      On the way to autonomous robots, perception is a key point. Among all the perception senses, vision is undoubtedly the most important for the information it can provide. However, it is not easy to identify what is seen ...