@article{semisparsityforsmoothingfilters,
  title = {Semi-Sparsity for Smoothing Filters},
  author = {Junqing Huang and Haihui Wang and Xuechao Wang and Michael Ruzhansky},
  year = {2021},
  eprint = {2107.00627},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.00627v3},
}