@Conference{charles.11d,
  author = 	 {Charles, A. and Olshausen, B. and Rozell, C.},
  title = 	 {Learning sparse codes for hyperspectral images},
  booktitle =	 {Duke Workshop on Sensing and Analysis of High-Dimensional Data (SAHD)},
  year =	 2011,
  address =	 {Durham, NC},
  month =	 {July}
}