Rufiner, Hugo L.; Goddard, John; Rocha, Luis F.; … - In: Physica A: Statistical Mechanics and its Applications 367 (2006) C, pp. 231-251
Recently, different methods for obtaining sparse representations of a signal using dictionaries of waveforms have been studied. They are often motivated by the way the brain seems to process certain sensory signals. Algorithms have been developed using a specific criterion to choose the...