@inproceedings{dorffer:hal-02059649,
  TITLE = {{Region-based relaxations to accelerate greedy approaches}},
  AUTHOR = {Dorffer, Cl{\'e}ment and Herzet, C{\'e}dric and Dr{\'e}meau, Ang{\'e}lique},
  URL = {https://inria.hal.science/hal-02059649},
  BOOKTITLE = {{27th European Signal Processing Conference, EUSIPCO 2019}},
  ADDRESS = {La Corogne, Spain},
  YEAR = {2019},
  MONTH = Sep,
  DOI = {10.23919/EUSIPCO.2019.8902669},
  KEYWORDS = {Sparse approximation ; atom selection ; low-complexity methods},
  PDF = {https://inria.hal.science/hal-02059649/file/eusipco_DHD.pdf},
  HAL_ID = {hal-02059649},
  HAL_VERSION = {v1},
}