Multiresolution map despeckling of COSMO-SkyMed images (Contributo in atti di convegno)

Type
Label
  • Multiresolution map despeckling of COSMO-SkyMed images (Contributo in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/IGARSS.2012.6352363 (literal)
Alternative label
  • L. Alparone, F. Argenti, T. Bianchi, A. Lapini, B. Aiazzi, S. Baronti, C. D'Elia, S. Ruscino (2012)
    Multiresolution map despeckling of COSMO-SkyMed images
    in IEEE IGARSS 2012, 2012 IEEE International Geoscience and Remote Sensing Symposium, Monaco di Baviera, Germania, 22-27 Luglio 2012
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L. Alparone, F. Argenti, T. Bianchi, A. Lapini, B. Aiazzi, S. Baronti, C. D'Elia, S. Ruscino (literal)
Pagina inizio
  • 5490 (literal)
Pagina fine
  • 5493 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6352363&contentType=Conference+Publications&refinements%3D4294595554%2C4282331638%26sortType%3Dasc_p_Sequence%26filter%3DAND%28p_IS_Number%3A6350328%29 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Proceedings of IEEE IGARSS 2012: Remote Sensing for a Dynamic Earth (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • Google Scholar (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dept. Electron. & Telecomm., University of Florence, 50139 Florence, Italy Dept. Electron. & Telecomm., University of Florence, 50139 Florence, Italy Dept. Electron. & Telecomm., University of Florence, 50139 Florence, Italy Dept. Electron. & Telecomm., University of Florence, 50139 Florence, Italy IFAC-CNR, Research Area of Florence, 50019, Florence, Italy IFAC-CNR, Research Area of Florence, 50019, Florence, Italy Dept. Electr. & Inform. Engin., University of Cassino, 03043 Cassino (FR), Italy Dept. Electr. & Inform. Engin., University of Cassino, 03043 Cassino (FR), Italy (literal)
Titolo
  • Multiresolution map despeckling of COSMO-SkyMed images (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-1-4673-1158-8 (literal)
Abstract
  • This paper describes the most recent achievements in speckle reduction of COSMO-SkyMed (CSK R) synthetic aperture radar (SAR) data. An advanced multresolution despeckling filter, based on undecimated wavelet transform (UDWT) and maximum a-posteriori (MAP) estimation has been specialized and optimized to CSK R data, both single- and multi-look. The tradeoff between performances and computational complexity has been investigated: Laplacian-Gaussian and generalized Gaussian (GG) priors for MAP estimation in UDWT domain differ by one order of magnitude in computation cost. Pre-processing of point targets and segmentation of wavelet planes has been exploited to effectively handle the heterogeneity of the data. Besides traditional supervised methods to evaluate the quality of despeckling, a novel procedure, fully automated, based on bivariate analysis of noisy and denoised image has been devised. (literal)
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