@article{modularproximaloptimizationfor,
  title = {Modular proximal optimization for multidimensional total-variation regularization},
  author = {Álvaro Barbero and Suvrit Sra},
  year = {2014},
  eprint = {1411.0589},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1411.0589v3},
}