• closedAccess   Real-time acquisition of complex optical fields by binary amplitude modulation 

      Peters, Eduardo; Clemente, Pere; Salvador Balaguer, Eva; Tajahuerce, Enrique; Andrés, Pedro; Pérez, Darío G.; Lancis, Jesús Optical Society of America (2017)
      We describe, through simulations and experiments, a real-time wavefront acquisition technique using random binary amplitude masks and an iterative phase retrieval algorithm based on the Fresnel propagator. By using a digital ...
    • closedAccess   Real-time anomaly detection from environmental data streams 

      Trilles, Sergio; Schade, Sven; Belmonte-Fernández, Óscar; Huerta, Joaquin Springer International Publishing (2015)
      Modern sensor networks monitor a wide range of phenomena. They are applied in environmental monitoring, health care, optimization of industrial processes, social media, smart city solutions, and many other domains. All in ...
    • openAccess   Real-time tessellation of terrain on graphics hardware 

      Puig Centelles, Anna; Ripollés Mateu, Oscar Enrique; Ramos, Jose Francisco; Chover, Miguel Elsevier (2012-04)
      Synthetic terrain is a key element in many applications, which can lessen the sense of realism if it is not handled correctly. We propose a new technique for visualizing terrain surfaces by tessellating them on the GPU. ...
    • closedAccess   Real-world Deployment of Privacy-Enhancing Authentication System using Attribute-based Credentials 

      Dzurenda, Petr; Casanova-Marqués, Raúl; Malina, Lukas; Hajny, Jan Association for Computing Machinery (ACM) (2022)
      With the daily increase in digitalization and integration of the physical and digital worlds, we need to better protect users’ privacy and identity. Attribute-based Credentials (ABCs) seem to be a promising technology ...
    • openAccess   Recognizing white blood cells with local image descriptors 

      López Puigdollers, Dan; Traver Roig, Vicente Javier; Pla, Filiberto Elsevier (2019-01)
      Automatic and reliable classification of images of white blood cells is desirable for inexpensive, quick and accurate health diagnosis worldwide. In contrast to previous approaches which tend to rely on image segmentation ...
    • openAccess   Recommendation-Based Conceptual Modeling and Ontology Evolution Framework (CMOE+) 

      Gailly, Frederik; Alkhaldi, Nadejda; Casteleyn, Sven; Verbeke, Wouter Springer Verlag (2017-08)
      Within an enterprise, various stakeholders create different conceptual models, such as process, data, and requirements models. These models are fundamentally based on similar underlying enterprise (domain) concepts, but ...
    • closedAccess   Reconfigurable Intelligent Surface Placement in 5G NR/6G: Optimization and Performance Analysis 

      Brancati, Gianluca; Chukhno, Olga; Chukhno, Nadezhda; ARANITI, Giuseppe IEEE (2022-09-12)
      The reconfigurable intelligent surface (RIS) adoption has drawn significant attention for the upcoming generation of cellular networks, i.e., 5G New Radio (NR)/6G, as a technology for forming virtual line-of-sight (LoS) ...
    • openAccess   Reconstructing Secondary Data based on Air Quality, Meteorological and Traffic Data Considering Spatiotemporal Components 

      Iskandaryan, Ditsuhi; Ramos, Jose Francisco; Trilles, Sergio Elsevier (2023-02-08)
      This paper introduces the reconstructed dataset along with procedures to implement air quality prediction, which consists of air quality, meteorological and traffic data over time, and their monitoring stations and measurement ...
    • closedAccess   Reducing complexity in polygonal meshes with view-based saliency 

      Castelló Boscá, Pascual; Chover, Miguel; Sbert Casasayas, Mateu; Feixas, Miguel Elsevier (2014-08)
      Salient features in 3D meshes such as small high-curvature details in the middle of largely flat regions are easily ignored by most mesh simplification methods. Nevertheless, these features can be perceived by human observers ...
    • openAccess   Reflections in topological algebraic structures 

      HERNÁNDEZ ARZUSA, JULIO CÉSAR; Hernández, Salvador Elsevier (2020-08)
      Let C be an epireflective subcategory of Top and let rC be the epireflective functor associated with C. If A denotes a (semi)topological algebraic subcategory of Top, we study when rC (A) is an epireflective subcategory ...
    • openAccess   Reflexiones sobre por qué el estudiantado no acude a las actividades complementarias y propuesta de soluciones 

      Montoliu Colás, Raul; Rebollo Santamaría, Cristina; Remolar, Inmaculada JENUI Editores (2022-07)
      En el grado en Diseño y Desarrollo de Videojuegos de la universidad Jaume I de Castellón parte del estudiantado tiene la opinión de que el profesorado que imparte la docencia en el grado deberían ser profesionales del ...
    • openAccess   Relación entre la frecuencia cardíaca y el marcador durante una fase de descenso 

      Batalla Gavaldà, Abraham; Bofill Ródenas, Ana Maria; Montoliu Colás, Raul; Corbi Soler, Francisco Institut Nacional d'Educació Física de Catalunya (2018)
      In team sports, the study of heart rate (HR) is fundamental for optimizing performance and preventing injuries since it allows us to learn about some of the physiological demands generated by doing sport and the level of ...
    • openAccess   Reliability Evaluation of the Data Acquisition Potential of a Low-Cost Climatic Network for Applications in Agriculture 

      Trilles, Sergio; Juan, Pablo; Díaz-Avalos, Carlos; Ribeiro, Sara; Painho, Marco MDPI (2020)
      Temperature, humidity and precipitation have a strong influence on the generation of diseases in different crops, especially in vine. In recent years, advances in different disciplines have enabled the deployment of sensor ...
    • openAccess   Reliability Validation of a Low-Cost Particulate Matter IoT Sensor in Indoor and Outdoor Environments Using a Reference Sampler 

      Trilles, Sergio; Vicente, Ana Belen; Juan, Pablo; Ramos, Jose Francisco; Meseguer Costa, Sergio; Serra, Laura MDPI (2019)
      A suitable and quick determination of air quality allows the population to be alerted with respect to high concentrations of pollutants. Recent advances in computer science have led to the development of a high number of ...
    • closedAccess   Reminiscence interventions for loneliness reduction in older adults: a systematic review 

      Castillo Hornero, Andrea; Rojano-Hidalgo, Mario; López Riera, Agustín; Alarcón Aguilar, Ana H.; Belmonte-Fernández, Óscar; Caballer Miedes, Antonio Taylor and Francis Group (2024)
      Objectives: This study aims to review the use of reminiscence interventions in the reduction of loneliness in older adults by categorising the interventions by type, and comparing their effectiveness and methodological ...
    • closedAccess   Remote Sensing Image Fusion Using Hierarchical Multimodal Probabilistic Latent Semantic Analysis 

      Fernandez-Beltran, Ruben; Haut, Juan M.; Paoletti, Mercedes Eugenia; Plaza, Javier; Plaza, Antonio; Pla, Filiberto IEEE (2018-11)
      The generative semantic nature of probabilistic topic models has recently shown encouraging results within the remote sensing image fusion field when conducting land cover categorization. However, standard topic models ...
    • openAccess   Remote Sensing Image Superresolution Using Deep Residual Channel Attention 

      Haut, Juan M.; Fernandez-Beltran, Ruben; Paoletti, Mercedes Eugenia; Plaza, Javier; Plaza, Antonio IEEE (2019-07-23)
      The current trend in remote sensing image superresolution (SR) is to use supervised deep learning models to effectively enhance the spatial resolution of airborne and satellite-based optical imagery. Nonetheless, the ...
    • openAccess   Remote Sensing Single-Image Superresolution Based on a Deep Compendium Model 

      Haut, Juan M.; Paoletti, Mercedes Eugenia; Fernandez-Beltran, Ruben; Plaza, Javier; Plaza, Antonio; Li, Jun IEEE (2019-03)
      This letter introduces a novel remote sensing single-image superresolution (SR) architecture based on a deep efficient compendium model. The current deep learning-based SR trend stands for using deeper networks to improve ...
    • openAccess   Remotely Sensed Data Fusion for Spatiotemporal Geostatistical Analysis of Forest Fire Hazard 

      Sakellariou, Stavros; Cabral, Pedro; Caetano, Mario; Pla, Filiberto; Painho, Marco; Christopoulou, Olga; Sfougaris, Athanassios; Dalezios, Nicolas; Vasilakos, Christos MDPI (2020)
      Forest fires are a natural phenomenon which might have severe implications on naturaland anthropogenic ecosystems. Future projections predict that, under a climate change environment,the fire season would be lengthier with ...
    • closedAccess   Reply to Ollinger et al.: Remote sensing of leaf nitrogen and emergent ecosystem properties (Letter) 

      Latorre Carmona, Pedro; Knyazikhin, Yuri; Lewis, Philip; Disney, Mathias I.; Mõttus, Matti; Stenberg, Pauline; Rautiainen, Miina; Kaufmann, Robert K.; Marshak, Alexander; Schull, Mitchell A.; Vanderbilt, Vern; Davis, Anthony B.; Baret, Frédéric; Jacquemoud, Stéphane; Lyapustin, Alexei; Yang, Yan; Myneni, Ranga B. National Academy of Sciences (2013)
      Various physical, chemical, and physiological processes, including canopy structure, impact surface reflectance. Remote sensing aims to derive ecosystem properties and their functional relationships, given these impacts. ...