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    • openAccess   Inactivation of SARS-CoV-2 by a chitosan/α-Ag2WO4 composite generated by femtosecond laser irradiation 

      Pereira, Paula; de Paula e Silva, Ana Carolina Alves; Alves da Silva Pimentel, Bruna Natália; Pinatti, Ivo M; Simões, Alexandre; Vergani, Carlos; Barreto-Vieira, Debora Ferreira; da Silva, Marcos Alexandre Nunes; Dias Miranda, Milene; Santos Monteiro, Maria Eduarda; Tucci, Amanda Resende; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Andres, Juan; Longo, Elson Nature Research (2022)
      In the current COVID‑19 pandemic, the next generation of innovative materials with enhanced anti‑ SARS‑CoV‑2 activity is urgently needed to prevent the spread of this virus within the community. Herein, we report the ...

    • openAccess   Incremental probabilistic Latent Semantic Analysis for video retrieval 

      Fernandez-Beltran, Ruben; Pla, Filiberto Elsevier (2015-06)
      Recent research trends in Content-based Video Retrieval have shown topic models as an effective tool to deal with the semantic gap challenge. In this scenario, this paper has a dual target: (1) it is aimed at studying ...

    • openAccess   Indoor Positioning and Fingerprinting:The R Package ipft 

      Sansano-Sansano, Emilio; Montoliu Colás, Raul; Belmonte-Fernández, Óscar; Torres-Sospedra, Joaquín The R Foundation (2019)
      Methods based on Received Signal Strength Indicator (RSSI) fingerprinting are in theforefront among several techniques being proposed for indoor positioning. This paper introducesthe R packageipft, which provides ...

    • openAccess   Indoor Positioning for Monitoring Older Adults at Home: Wi-Fi and BLE Technologies in Real Scenarios 

      Montoliu Colás, Raul; Sansano-Sansano, Emilio; Gascó, Arturo; Belmonte-Fernández, Óscar; Caballer Miedes, Antonio MDPI (2020-04-28)
      This paper presents our experience on a real case of applying an indoor localization system formonitoringolderadultsintheirownhomes. Sincethesystemisdesignedtobeusedbyrealusers, therearemanysituationsthatcannotbecontroll ...

    • openAccess   Influence of Measured Radio Map Interpolation on Indoor Positioning Algorithms 

      Bravenec, Tomáš; Gould, Michael; Fryza, Tomas; Torres-Sospedra, Joaquín IEEE (2023-07-24)
      Indoor positioning and navigation increasingly have become popular, and there are many different approaches, using different technologies. In nearly all of the approaches, the locational accuracy depends on signal propagation ...

    • closedAccess   Inhomogeneous higher-order summary statistics for point processes on linear networks 

      Cronie, Ottmar; Moradi, Mehdi; Mateu, Jorge Springer (2020)
      As a workaround for the lack of transitive transformations on linear network structures, which are required to consider different notions of distributional invariance, including stationarity, we introduce the notions of ...

    • closedAccess   Innovation in geoprocessing for a Digital Earth 

      Hofer, Barbara; Granell, Carlos; Bernard, Lars Taylor & Francis (2017-12)
      Online geoprocessing, the provision and the use of spatial analysis functionality on the Web, is a powerful technological approach to fully realise the vision of a Digital Earth. The Digital Earth objectives include the ...

    • openAccess   Integración de modelos medioambientales en infraestructuras de datos espaciales: Un caso de uso en predicción de incendios 

      Trilles, Sergio; Juan, Pablo; Díaz Sánchez, Laura; Huerta, Joaquin Institut Cartogràfic de Catalunya (2012-02)
      Hoy en día los incendios forestales son unas de las principales amenazas medioambientales más crecientes a las que nos exponemos [2]. Esto produce la pérdida de bienes humanos y lo que es peor, la destrucción de la parte ...

    • openAccess   Integral imaging techniques for flexible sensing through image-based reprojection 

      Martínez Sotoca, José; Latorre Carmona, Pedro; Pla, Filiberto; Shen, Xin; Komatsu, Satoru; Javidi, Bahram OSA Publishing (2017-10)
      In this work, a 3D reconstruction approach for flexible sensing inspired by integral imaging techniques is proposed. This method allows the application of different integral imaging techniques, such as generating a depth ...

    • openAccess   Integration of Environmental Models in Spatial Data Infrastructures: A Use Case in Wildfire Risk Prediction 

      Trilles, Sergio; Juan, Pablo; Díaz, Laura; Aragó Galindo, Pau; Huerta, Joaquin Institute of Electrical and Electronics Engineers (IEEE) (2013)
      Achieving sustainable growth in our society implies monitoring our environment in order to measure human impact and detect relevant changes and detrimental driving factors such as wildfires and desertification. In order ...

    • openAccess   Intelligent on-demand design of phononic metamaterials 

      Jin, Yabin; He, Liangshu; Wen, Zhihui; Mortazavi, Bohayra; Guo, Hongwei; Torrent, Daniel; Djafari Rouhani, Bahram; Rabczuk, Timon; Zhuang, Xiaoying; Li, Yan De Gruyter (2022-01-04)
      With the growing interest in the field of artificial materials, more advanced and sophisticated functionalities are required from phononic crystals and acoustic metamaterials. This implies a high computational effort and ...

    • openAccess   Interactive guidelines: Public communication of data-based research in cities 

      Trilles, Sergio; Granell, Carlos; Degbelo, Auriol; Bhattacharya, Devanjan Public Library of Science (2020)
      Scientific research results are traditionally published as articles in peer-reviewed conference proceedings or journals. These articles often use technical jargon, which precludes the general public from consuming the ...

    • openAccess   Interoperable Search Mechanisms for Web 2.0 Resources 

      Díaz Sánchez, Laura; Núñez Redó, Manuela; González, David; Gil, José; Aragó Galindo, Pau; Pultar, Edward; Huerta, Joaquin European Commission (2012)
      We are currently witnessing ordinary citizens willing to share geospatial information using friendly and easy-to use tools provided by Web 2.0 platforms. These platforms act as social networks describing events with ...

    • openAccess   Interpolation sets in spaces of continuous metric-valued functions 

      Ferrer González, María Vicenta; Hernández, Salvador; Tárrega Ruiz, Luis Elsevier (2018-10)
      Let X and K be a Cech-complete topological group and a compact group, ˇ respectively. We prove that if G is a non-equicontinuous subset of CHom(X; K), the set of all continuous homomorphisms of X into K, then there is a ...

    • openAccess   Intersensor Remote Sensing Image Registration Using Multispectral Semantic Embeddings 

      Fernandez-Beltran, Ruben; Pla, Filiberto; Plaza, Antonio IEEE (2019-04)
      This letter presents a novel intersensor registration framework specially designed to register Sentinel-3 (S3) operational data using the Sentinel-2 (S2) instrument as a reference. The substantially higher resolution of ...

    • openAccess   Intrinsic and extrinsic comparison results for isoperimetric quotients and capacities in weighted manifolds 

      Hurtado, A.; Palmer Andreu, Vicente; Rosales, C. Elsevier (2020-08-13)
      Let (M, g)be a complete non-compact Riemannian manifold together with a function eh, which weights the Hausdorff measures associated to the Riemannian metric. In this work we assume lower or upper radial bounds on some ...

    • openAccess   Inverse design of topological metaplates for flexural waves with machine learning 

      He, Liangshu; Wen, Zhihui; Jin, Yabin; Torrent, Daniel; Zhuang, Xiaoying; Rabczuk, Timon Elsevier Ltd. (2020-12-08)
      The mechanical analog to the topological insulators brings anomalous elastic wave properties which diversifies classic wave functions for potential broad applications. To obtain topological mechanical wave states with good ...

    • closedAccess   Inverse Grating Problem: Efficient Design of Anomalous Flexural Wave Reflectors and Refractors 

      Packo, Pawel; Norris, Andrew N.; Torrent, Daniel American Physical Society (2019-01-11)
      We present an extensive formulation of the inverse grating problem for flexural waves in which the energy of each diffracted mode is selected and the grating configuration is then obtained by our solving a linear system ...

    • closedAccess   Joint second-order parameter estimation for spatio-temporal log-Gaussian Cox processes 

      Siino, Marianna; adelfio, giada; Mateu, Jorge Springer (2018)
      We propose a new fitting method to estimate the set of second-order parameters for the class of homogeneous spatio-temporal log-Gaussian Cox point processes. With simulations, we show that the proposed minimum contrast ...

    • closedAccess   Kriging with external drift for functional data for air quality monitoring 

      Ignaccolo, Rosaria; Mateu, Jorge; Giraldo, Ramón Springer Verlag (2014-07)
      Functional data featured by a spatial dependence structure occur in many environmental sciences when curves are observed, for example, along time or along depth. Recently, some methods allowing for the prediction of a curve ...