An optimization-based multilevel algorithm for total variation image denoising. Chan, T‥ & Chen, K. Multiscale Modeling \& Simulation, 5(2):615--645, SIAM, 2006.
bibtex   
@article{ chan2006optimization,
  title = {An optimization-based multilevel algorithm for total variation image denoising},
  author = {Chan, T.F. and Chen, K.},
  journal = {Multiscale Modeling \& Simulation},
  volume = {5},
  number = {2},
  pages = {615--645},
  year = {2006},
  publisher = {SIAM}
}
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