Fast $O(1)$ Bilateral Filtering Using Trigonometric Range Kernels

@article{Chaudhury2011Fast,
  title={Fast \$O(1)\$  Bilateral Filtering Using Trigonometric Range Kernels},
  author={Kunal Narayan Chaudhury and Daniel Sage and Michael Unser},
  journal={IEEE Transactions on Image Processing},
  year={2011},
  volume={20},
  pages={3376-3382}
}
It is well known that spatial averaging can be realized (in space or frequency domain) using algorithms whose complexity does not scale with the size or shape of the filter. These fast algorithms are generally referred to as constant-time or O(1) algorithms in the image-processing literature. Along with the spatial filter, the edge-preserving bilateral… CONTINUE READING

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