Browsing by Subject "El·lipsometria"
Now showing items 1-19 of 19
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Activities in imaging through fog at CD6: polarimetric imaging
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe CD6 has recently developed a powerful line of research on polarimetric imaging. This field covers several applications in which the addition of polarization properties enables to enhance the contrast in detection. ... -
Activities in imaging through fog at CD6: polarized light propagation modelling
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyCurrently, in CD6, a new line of research devoted to polarimetric imaging is being developed. The use of polarization adds new information that is not reachable using other conventional imaging modes. In addition, recent ... -
Análisis de técnicas basadas en árboles de partición binaria aplicadas a PoISAR
(Universitat Politècnica de Catalunya, 2009-09-07)
Master thesis (pre-Bologna period)
Open Access -
Assessment and estimation of the RVoG model in polarimetric SAR interferometry
(Institute of Electrical and Electronics Engineers (IEEE), 2014-06-01)
Article
Restricted access - publisher's policyThis paper investigates the validity of the random-volume-over-ground (RVoG) scattering model assumption for forest scattering on polarimetric interferometric synthetic aperture radar (PolInSAR) data. The model makes some ... -
Cancellation of scattering mechanisms in PolInSAR: application to underlying topography estimation
(IEEE Press. Institute of Electrical and Electronics Engineers, 2013-02)
Article
Restricted access - publisher's policyThis paper investigates the polarimetric dependence of the interferometric complex correlation and proposes amethodology for cancelling individual scattering mechanisms, in terms of the complex correlation coefficient ... -
DInSAR processing with polarimetric data
(Universitat Politècnica de Catalunya, 2011-09-09)
Master thesis
Open AccessEnglish: Study of the uses of orbital polarimetric data for the survey of terrain subsidence through SAR Differential interferometry (DInSAR). -
Exploiting polarimetric TerraSAR-X data for sea clutter characterization
(Institute of Electrical and Electronics Engineers (IEEE), 2016-01-01)
Article
Open AccessThis paper presents a detailed characterization of sea/ocean clutter returns at X-band, imaged by TerraSAR-X (TSX) mission from the radiometric, statistical, and polarimetric standpoints. Different TSX data takes, covering ... -
Imaging polarimetry for bio applications
(Universitat Politècnica de Catalunya, 2021-09-08)
Master thesis
Open Access
Covenantee: Universitat de Barcelona / Universitat Autònoma de BarcelonaPolarimetric imaging is especially interesting for the fields of biology and medicine due to the capability of this technique to emphasize certain abnormalities in tissue such as cancerous growths that can interact differently ... -
Improving wishart classification of polarimetric SAR data using the hopfield neural network optimization approach
(2012-11-19)
Article
Restricted access - publisher's policyThis paper proposes the optimization relaxation approach based on the analogue Hopfield Neural Network (HNN) for cluster refinement of pre-classified Polarimetric Synthetic Aperture Radar (PolSAR) image data. We consider ... -
Indices of polarimetric purity: application in biological tissue
(2021-05-13)
Conference lecture
Open Access -
Magneto-optical Kerr effect measurement at low temperatures
(Universitat Politècnica de Catalunya, 2008-09-05)
Master thesis
Open AccessEllipsometry is particularly attractive for its suitability for in-situ measurements and remarkable sensitivity to minute inter-facial effects, such as the formation of sub-monolayer of atoms or magneto-optical (MO) effect. ... -
Medida de superficies 3D mediante imagen polarimétrica
(Comité de Optoelectrónica, 2021)
Conference lecture
Restricted access - publisher's policyLa polarización de la luz reflejada en un objeto aporta información sobre su índice de refracción, su rugosidad, y también de su forma. Así, esta propiedad de la luz puede ser útil en visión artificial para recuperar la ... -
Polarimetric imaging vs. conventional imaging: evaluation of image contrast in fog
(2021-06-24)
Article
Open AccessWe compare conventional intensity imaging against different modes of polarimetric imaging by evaluating the image contrast of images taken in a controlled foggy environment. A small-scale fog chamber has been designed and ... -
Polarimetric optimization of temporal sublook coherence for DInSAR applications
(2015-01-01)
Article
Open AccessThe application of differential synthetic aperture radar interferometry (DInSAR) techniques has been traditionally limited to the single-polarimetric case. The launch of satellites with polarimetric capabilities has triggered ... -
Polarization memory effect: imaging through scattering media
(2021-05-13)
Conference lecture
Open Access -
Polsar time series temporal change detection and analysis with binary partition trees
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyIn this paper the exploitation of PolSAR temporal series datasets is presentedin the context of change detection and characterization. A Binary Partition Tree (BPT) data structure is employed in order to extract homogeneous ... -
Statistical study of the H/A/Alpha decomposition based on a perturbation analysis of the coherency matrix
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyThe eigendecomposition of the coherency matrix, as well as the Entropy, Anisotropy and mean Alpha angle are crucial for the physical understanding of the scattered echo in SAR polarimetry. This contribution considers a ... -
Study of the speckle noise effects over the eigen decomposition of polarimetric SAR data: a review
(European Space Agency (ESA), 2013)
Conference report
Restricted access - publisher's policyThis paper is focused on considering the effects of speckle noise on the eigen decomposition of the co- herency matrix. Based on a perturbation analysis of the matrix, it is possible to obtain an analytical expression ... -
Underlying topography estimation and separation of scattering contributions over forests based on polInSAR data
(2011)
Conference report
Restricted access - publisher's policyThe 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 ...
