• openAccess   Space.time interpolation of daily air temperatures 

      Sáez Zafra, Marc; Barceló, M.A.; Tobías, Aurelio; Varga, Diego; Ocaña-Riola, R.; Juan, Pablo; Mateu, Jorge UCLA Department of Statistics (2012)
      We propose a model to describe the mean function as well as the spatio-temporal covariance structure of 15 years of both maximum and minimum daily temperature data from 190 stations throughout the region of Catalonia ...
    • openAccess   Sparse Multi-modal probabilistic Latent Semantic Analysis for Single-Image Super-Resolution 

      Fernandez-Beltran, Ruben; Pla, Filiberto Elsevier (2018)
      This paper presents a novel single-image super-resolution (SR) approach based on latent topics in order to take advantage of the semantics pervading the topic space when super-resolving images. Image semantics has shown ...
    • closedAccess   Spatial Cox processes in an infinite-dimensional framework 

      Frías Bustamante, María del Pilar; Torres Signes, Antoni; Ruiz-Medina, M. D.; Mateu, Jorge Sociedad de Estadística e Investigación Operativa (Spanish Society of Statistics and Operations Research) (2021-04-29)
      We introduce a new class of spatial Cox processes driven by a Hilbert-valued randomlog-intensity. We adopt a parametric framework in the spectral domain, to estimateits spatial functional correlation structure. Specifically, ...
    • closedAccess   Spatial pattern analysis using hybrid models: an application to the Hellenic seismicity 

      Siino, Marianna; adelfio, giada; Mateu, Jorge; CHIODI, Marcello; D’Alessandro, Antonino Springer Verlag (2017)
      Earthquakes are one of the most destructive natural disasters and the spatial distribution of their epi- centres generally shows diverse interaction structures at different spatial scales. In this paper, we use a ...
    • closedAccess   Spatial pattern modelling of wildfires in Catalonia, Spain 2004–2008 

      Serra, Laura; Juan, Pablo; Varga, Diego; Mateu, Jorge; Sáez Zafra, Marc Elsevier (2013)
      The paper has three objectives: firstly, to evaluate how the extent of clustering in wildfires differs across the years they occurred; secondly, to analyse the influence of covariates on trends in the intensity of wildfire ...
    • closedAccess   Spatial point processes and neural networks: A convenient couple 

      Mateu, Jorge; Jalilian, Abdollah Elsevier (2022)
      Different spatial point process models and techniques have been developed in the past decades to facilitate the statistical analysis of spatial point patterns. However, in some cases the spatial point process methodology ...
    • closedAccess   Spatial recurrences for pedestrian classification 

      Serra Toro, Carlos; Montoliu Colás, Raul; Traver Roig, Vicente Javier Springer U.S. (2012-09)
      In this work, a framework is proposed for pedestrian classification based on spatial recurrences in the form of recurrence plots. This representation is more general and potentially more discriminative than a histogram of ...
    • closedAccess   Spatial threshold exceedance analysis through marked point processes 

      Mateu, Jorge; Madrid, Alfonso E.; Angulo, J.M. Wiley- Blackwell (2012)
      Indicators of recurrence, persistence and, in general, distribution patterns of extremal events defined by random field threshold exceedances provide relevant information on critical phenomena for risk assessment. Such ...
    • closedAccess   Spatio-temporal analysis with short- and long-memory dependence: a state-space approach 

      Ferreira, Guillermo; Mateu, Jorge; Porcu, Emilio Springer Berlin Heidelberg (2018)
      This paper deals with the estimation and prediction problems of spatio-temporal processes by using state-space methodology. The spatio-temporal process is represented through an infinite moving average decomposition. This ...
    • openAccess   Spatio-temporal evolution modeling of environmental and natural phenomena 

      Mateu, Jorge UCLA Department of Statistics (2012)
      This short paper introduces the special issue containing six selected papers coming from the International Workshop on Spatio-temporal Modeling (METMA V) held in San- tiago de Compostela (Spain), from 30 June to 2 July 2010.
    • closedAccess   Spatio-temporal modeling of traffic accidents incidence on urban road networks based on an explicit network triangulation 

      Chaudhuri, Somnath; Juan, Pablo; Mateu, Jorge Taylor and Francis Group (2022-07-29)
      Traffic deaths and injuries are one of the major global public health concerns. The present study considers accident records in an urban environment to explore and analyze spatial and temporal in the incidence of road ...
    • closedAccess   Spatio-temporal point patterns on linear networks: Pseudo-separable intensity estimation 

      Mateu, Jorge; Moradi, Mehdi; Cronie, Ottmar Elsevier (2020)
      Aside from reviewing different intensity estimation schemesfor point processes on linear networks, this paper introducestwo Voronoi-based intensity estimation approaches for spatio-temporal linear network point processes. ...
    • openAccess   Spatio-temporal prediction of Baltimore crime events using CLSTM neural networks 

      Esquivel, Nicolás; Nicolis, Orietta; Peralta, Billy; Mateu, Jorge IEEE (2020-11-09)
      Crime activity in many cities worldwide causes significant damages to the lives of victims and their surrounding communities. It is a public disorder problem, and big cities experience large amounts of crime events. ...
    • openAccess   Spatio-temporal small area surveillance of the COVID-19 pandemic 

      Martinez-Beneito, Miguel A.; Mateu, Jorge; Botella Rocamora, Paloma Elsevier (2022)
      The emergence of COVID-19 requires new effective tools for epidemiological surveillance. Spatio-temporal disease mapping models, which allow dealing with small units of analysis, are a priority in this context. These models ...
    • closedAccess   Spatio-temporal statistical methods in environmental and biometrical problems 

      Mateu, Jorge; Crujeiras Casais, Rosa María; Menezes, Raquel; Montes, F. Elsevier (2017)
      This is the editorial letter for the Special Issue dedicated to the VIII International Workshop on Spatio-temporal Modelling (METMAVIII) which took place in Valencia (Spain) from 1 to 3 June 2016, and to the second ...
    • closedAccess   Spatio-temporal stochastic modelling of environmental hazards 

      Mateu, Jorge; Ignaccolo, Rosaria Copyright © 2015 Elsevier (2015-09)
      This is the editorial letter for the Special Issue dedicated to the joint VII International Workshop on Spatio-temporal Modelling (METMAVII) and the 2014 meeting of the research group for Statistical Applications to ...
    • closedAccess   Spatiotemporal Prediction of Nitrogen Dioxide Based on Graph Neural Networks 

      Iskandaryan, Ditsuhi; Ramos, Francisco; Trilles, Sergio Springer (2022-11-10)
      Air quality prediction, especially spatiotemporal prediction, is still a challenging issue. Considering the impact of numerous factors on air quality causes difficulties in integrating these factors in a spatiotemporal ...
    • closedAccess   Spatio‐temporal classification in point patterns under the presence of clutter. 

      SIINO, MARIANNA; Rodríguez-Cortés, Francisco Javier; Mateu, Jorge; adelfio, giada Wiley (2019-08-23)
      We consider the problem of detection of features in the presence of clutter forspatio-temporal point patterns. In previous studies, related to the spatial context,Kth nearest-neighbor distances to classify points between ...
    • openAccess   Special Issue on Data Preprocessing in Pattern Recognition: Recent Progress, Trends and Applications 

      Sánchez Garreta, Josep Salvador; García, Vicente MDPI (2022-09-01)
    • openAccess   Spectral–Spatial Pixel Characterization Using Gabor Filters for Hyperspectral Image Classification 

      Rajadell Rojas, Olga; García-Sevilla, Pedro; Pla, Filiberto Institute of Electrical and Electronics Engineers (IEEE) (2013)
      This paper presents a spectral-spatial pixel characterization method for hyperspectral images. The characterization is based on textural features obtained using Gabor filters over a selected set of spectral bands. This ...