SPIRAL out of convexity: sparsity-regularized algorithms for photon-limited imaging

@inproceedings{Harmany2010SPIRALOO,
  title={SPIRAL out of convexity: sparsity-regularized algorithms for photon-limited imaging},
  author={Z. Harmany and R. Marcia and R. Willett},
  booktitle={Electronic Imaging},
  year={2010}
}
The observations in many applications consist of counts of discrete events, such as photons hitting a detector, which cannot be effectively modeled using an additive bounded or Gaussian noise model, and instead require a Poisson noise model. As a result, accurate reconstruction of a spatially or temporally distributed phenomenon (f*) from Poisson data (y) cannot be accomplished by minimizing a conventional l2-l1 objective function. The problem addressed in this paper is the estimation of f… Expand
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