Reversible Interpolation of Vectorial Images by an Anisotropic Diffusion-Projection PDE

  title={Reversible Interpolation of Vectorial Images by an Anisotropic Diffusion-Projection PDE},
  author={Anastasios Roussos and Petros Maragos},
  journal={International Journal of Computer Vision},
In this paper, a nonlinear model for the interpolation of vector-valued images is proposed. This model is based on an anisotropic diffusion PDE and performs an interpolation that is reversible. The interpolation solution is restricted to the subspace of functions that can recover the discrete input image, after an appropriate smoothing and sampling. The proposed nonlinear diffusion flow lies on this subspace while its strength and anisotropy adapt to the local variations and geometry of image… CONTINUE READING
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