@InProceedings{MedeirosMascMarqLapr:2002:EvAdWi,
               author = "Medeiros, F. N. S. and Mascarenhas, Nelson Delfino d'{\'A}vila 
                         and Marques, R. C. P. and Laprano, C. M.",
                title = "Evaluating an adaptive windowing scheme in speckle noise MAP 
                         filtering",
            booktitle = "Proceedings...",
                 year = "2002",
               editor = "Gon{\c{c}}alves, Luiz Marcos Garcia and Musse, Soraia Raupp and 
                         Comba, Jo{\~a}o Luiz Dihl and Giraldi, Gilson and Dreux, 
                         Marcelo",
         organization = "Brazilian Symposium on Computer Graphics and Image Processing, 15. 
                         (SIBGRAPI)",
            publisher = "IEEE Computer Society",
              address = "Los Alamitos",
                 note = "The conference was held in Fortaleza, CE, Brazil, from October 7 
                         to 10.",
             abstract = "SAR images are corrupted by speckle noise, which degrades the 
                         quality and interpretation of the images. Speckle removal provides 
                         a better interpretability of SAR images if the techniques perform 
                         the filtering without loss of spatial resolution and preserve fine 
                         details and edges. This work aims to redefine the neighborhood 
                         areas around the noisy pixel and in this area the local mean and 
                         variance are computed to estimate the MAP filter parameters. The 
                         proposed modified MAP algorithm improves the ability to filter the 
                         speckle noise without blurring edges and targets by applying the 
                         MAP estimator in the current adaptive window that is controlled by 
                         a measure of homogeneity in the area around the noisy pixel. The 
                         effectiveness in reducing speckle by the modified MAP filter is 
                         evaluated in terms of qualitative and quantitative aspects such as 
                         line and edge preservation and the improvement of the signal to 
                         noise ratio.",
  conference-location = "Fortaleza, CE, Brazil",
      conference-year = "10-10 Oct. 2002",
                  doi = "10.1109/SIBGRA.2002.1167126",
                  url = "http://dx.doi.org/10.1109/SIBGRA.2002.1167126",
             language = "en",
         organisation = "SBC - Brazilian Computer Society",
                  ibi = "6qtX3pFwXQZeBBx/vRoog",
                  url = "http://urlib.net/ibi/6qtX3pFwXQZeBBx/vRoog",
           targetfile = "48.pdf",
        urlaccessdate = "2024, May 02"
}