A Short- Time Beltrami Kernel for Smoothing Images and Manifolds

@article{Spira2007AST,
  title={A Short- Time Beltrami Kernel for Smoothing Images and Manifolds},
  author={Alon Spira and Ron Kimmel and Nir A. Sochen},
  journal={IEEE Transactions on Image Processing},
  year={2007},
  volume={16},
  pages={1628-1636}
}
We introduce a short-time kernel for the Beltrami image enhancing flow. The flow is implemented by "convolving" the image with a space dependent kernel in a similar fashion to the solution of the heat equation by a convolution with a Gaussian kernel. The kernel is appropriate for smoothing regular (flat) 2-D images, for smoothing images painted on manifolds, and for simultaneously smoothing images and the manifolds they are painted on. The kernel combines the geometry of the image and that of… CONTINUE READING
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