@article{forestsparsityformultichannelcompressive,
  title = {Forest Sparsity for Multi-channel Compressive Sensing},
  author = {Chen Chen and Yeqing Li and Junzhou Huang},
  year = {2012},
  eprint = {1211.4657},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1211.4657v2},
}