Now showing items 1-20 of 22

  • Advanced polarimetric optimization for DInSAR applications with Ground-Based SAR 

    Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; López Martínez, Carlos; Alonso González, Alberto (2012)
    Conference report
    Restricted access - publisher's policy
    In this paper, the applications of advanced polarimetric optimization techniques for Differential Interferometric SAR (DInSAR) pixel selection are explored in the framework of deformation map retrieval in landslides. ...
  • Analysis and validity of the polInSAR line model on forested areas 

    López Martínez, Carlos; Fabregas Canovas, Francisco Javier; Alonso González, Alberto (2012)
    Conference report
    Restricted access - publisher's policy
    This paper focuses on the analysis of certain hypotheses considered in quantitative remote sensing of forest areas by means of Polarimetric SAR Interferometry (PolInSAR). When addressing the quantitative estimation of ...
  • Analysis of volumetric scatters based on TanDEM-X polarimetric interferometric SAR data 

    López Martínez, Carlos; Alonso González, Alberto; Fabregas Canovas, Francisco Javier; Papathanassiou, Kostantinos (IEEE, 2011)
    Conference report
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    Polarimetric SAR Interferometry makes possible a detailed analysis of the volumetric scattering processes present in microwave scattering in case of forest areas. In previous contributions, the authors, under the hypothesis ...
  • Análisis de técnicas basadas en árboles de partición binaria aplicadas a PoISAR 

    Alonso González, Alberto (Universitat Politècnica de Catalunya, 2009-09-07)
    Master thesis (pre-Bologna period)
    Open Access
  • Bilateral distance based filtering for polarimetric SAR data 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean; Deng, Xinping (2013-10-30)
    Article
    Open Access
    This paper introduces a non-linear Polarimetric SAR data filtering approach able to preserve the edges and small details of the data. It is based on exploiting the data locality in both, the spatial and the polarimetric ...
  • Binary partition tree as a polarimetric SAR data representation in the space-time domain 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE, 2011)
    Conference lecture
    Restricted access - publisher's policy
    The aim of this paper is to present a Polarimetric Synthetic Aperture Radar data processing technique on the space-time domain. This approach is based on a Binary Partition Tree (BPT), which is a region-based and multi-scale ...
  • Differential SAR interferometry with orbital, airborne and ground-based sensors 

    Monells Miralles, Daniel; Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; Broquetas Ibars, Antoni; Fabregas Canovas, Francisco Javier; López Martínez, Carlos; Alonso González, Alberto; Iglesias González, Rubén; Centolanza, Giuseppe (2011)
    Conference lecture
    Open Access
    • Introduction to Differential Interferometry • Orbital Sensors: ERS, ENVISAT, RADARSAT2, TerraSAR-X. • Airborne Sensors: DLR’s E-SAR • Ground-Based Sensors: UPC’s GB-SAR • Conclusions
  • Estimation of snow pack characteristics by means of polarimetric SAR data 

    Reppucci, Antonio; Banque, Xavier; López Martínez, Carlos; Zhan, Yu; Alonso González, Alberto (SPIE, 2012)
    Conference report
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    Characterization of the snow-pack is fundamental for several applications in hydrology, such as modelling and forecasting of snow melt runoff, water resource management and risk analysis. Thanks to its night/day capabilities ...
  • Filtering and segmentation of polarimetric SAR data based on binary partition trees 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02)
    Article
    Restricted access - publisher's policy
    In this paper,we propose the use of binary partition trees (BPT) to introduce a novel region-based and multi-scale polarimetric SAR (PolSAR) data representation. The BPT structure represents homogeneous regions in the ...
  • Filtering and segmentation of polarimetric SAR images with binary partition trees 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (2010)
    Conference report
    Open Access
    A new multi-scale PolSAR data filtering technique, based on a Binary Partition Tree (BPT) representation of the data, is proposed. Different alternatives for the construction and the exploitation of the BPT for filtering ...
  • Ground topography estimation on over forests considering polarimetric SAR interferometry 

    López Martínez, Carlos; Alonso González, Alberto; Fabregas Canovas, Francisco Javier; Papathanassiou, Kostantinos (2010)
    Conference report
    Open Access
    The work detailed in this paper analyzes the topographic phase retrieval process on forested areas by means of Polarimetric Interferometric SAR data. On the basis of the Random Volume over Ground scattering model, an ...
  • Implementación de herramientas de validación de política de firma electrónica 

    Alonso González, Alberto (Universitat Politècnica de Catalunya, 2007-06-25)
    Master thesis (pre-Bologna period)
    Open Access
  • Multidimensional and temporal SAR data representation and processing based on binary partition trees 

    Alonso González, Alberto (Universitat Politècnica de Catalunya, 2014-06-13)
    Doctoral thesis
  • Multidimensional SAR data representation and processing based on Binary Partition Trees 

    Alonso González, Alberto (Universitat Politècnica de Catalunya, 2011-07-20)
    Master thesis
    Open Access
    English: A novel multidimensional SAR data abstraction is presented, based on Binary Partition Trees (BPT). This data abstraction is employed for different applications, as data filtering and segmentation, change detection, ...
  • PAU instrument aboard INTA MicroSat-1: flight model tests 

    Alonso González, Alberto; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Hyuk, Park; Alcayde Egea, Antonio; Chavero, Sergio; Martinez, Pedro; Crespo, Luis; Angulo, Manuel; Rius, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    This work presents the PAU instrument aboard the satellite INTA MicroSAT-1. The PAU instrument is a combination of a Radiometer and a GNSS Reflectometer designed to study the relationship GNSS-R observables (Delay Doppler ...
  • Perturbation analysis of eigenvector-based target decomposition theorems in radar polarimetry 

    López Martínez, Carlos; Alonso González, Alberto; Fabregas Canovas, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Article
    Restricted access - publisher's policy
    A novel analysis of the statistics of the eigendecomposition of the coherency matrix and the H/A/a¯ parameters of polarimetric synthetic aperture radar data is addressed. The objective is to overcome previous approaches ...
  • Polarimetric optimization for DInSAR pixel selection with ground-based SAR 

    Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; López Martínez, Carlos; Alonso González, Alberto; Mallorquí Franquet, Jordi Joan (IEEE, 2012)
    Conference report
    Restricted access - publisher's policy
    In this paper, the study of polarimetric optimization techniques for Differential SAR Interferometry (DInSAR) applications is analyzed. This work has been carried out in the framework of deformation map retrieval on ...
  • PolSAR time series processing with Binary Partition Trees 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (Institute of Electrical and Electronics Engineers (IEEE), 2014-06-01)
    Article
    Restricted access - publisher's policy
    This paper deals with the processing of polarimetric synthetic aperture radar (SAR) time series. Different approaches to deal with the temporal dimension of the data are considered, which are derived from different target ...
  • Processing multidimensional SAR and hyperspectral images with binary partition tree 

    Alonso González, Alberto; Valero, Silvia; Chanussot, Jocelyn; López Martínez, Carlos; Salembier Clairon, Philippe Jean (2013-03)
    Article
    Restricted access - publisher's policy
    The current increase of spatial as well as spectral resolutions of modern remote sensing sensors represents a real opportunity for many prac tical applications but also generates important challenges in terms of image ...
  • Space-Time PolSAR data temporal series processing based on binary partition trees 

    Alonso González, Alberto; López Martínez, Carlos (2012)
    Conference report
    Restricted access - publisher's policy
    A processing technique to exploit temporal series of coregistered Polarimetric Synthetic Aperture Radar (PolSAR) images is presented in this paper. This technique will be based on a region-based and multi-scale data ...