@article {IOPORT.50171444,
    author       = {Gowreesunker, B. Vikrham and Tewfik, Ahmed H.},
    title        = {Learning sparse representation using iterative subspace identification},
    year         = {2010},
    journal      = {IEEE Transactions on Signal Processing},
    volume       = {58},
    number       = {6},
    pages        = {3055-3065},
    doi          = {10.1109/TSP.2010.2044251},
    identifier   = {50171444},
}