Daniel André Vaquero Junior Barrera Roberto Hirata Jr. A Maximum-Likelihood Approach for Multiresolution W-Operator Design. 71-78 2005 conf/sibgrapi/2005 SIBGRAPI http://doi.ieeecomputersociety.org/10.1109/SIBGRAPI.2005.7 db/conf/sibgrapi/sibgrapi2005.html#VaqueroBH05