20052005IEEEInternationalConferenceonAcousticsSpeechan retrieved_2018_07_10 2005IEEEInternationalConferenceonAcoustics,Speech,andSignalProcessingPROCEEDINGSMarch18-23,2005PennsylvaniaConventionCenter/MarriottHotelPhiladelphia,
sparse representation This paper has been recommended for acceptance by ‘Louis ten Bosch’. ∗ Correspondingauthorat:CentrodeI+DenSe˜nales,SistemaseINteligenciaComputacional(