Comparative Study of Semi-Implicit Schemes for Nonlinear Diffusion in Hyperspectral Imagery

  title={Comparative Study of Semi-Implicit Schemes for Nonlinear Diffusion in Hyperspectral Imagery},
  author={Julio Martin Duarte-Carvajalino and Paul E. Castillo and Miguel Velez-Reyes},
  journal={IEEE Transactions on Image Processing},
Nonlinear diffusion has been successfully employed over the past two decades to enhance images by reducing undesirable intensity variability within the objects in the image, while enhancing the contrast of the boundaries (edges) in scalar and, more recently, in vector-valued images, such as color, multispectral, and hyperspectral imagery. In this paper, we show that nonlinear diffusion can improve the classification accuracy of hyperspectral imagery by reducing the spatial and spectral… CONTINUE READING
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