Double Sparsity: Learning Sparse Dictionaries for Sparse Signal Approximation
from:http://rabbit3306.diandian.com/post/2012-06-14/4002741702212-14是RonRubinstein,StudentMember,IEEE,MichaelZibulevsky,andMichaelElad,SeniorMember,IEEE.2010.2.10字典分两种,一种是隐性字典,implicitdictionary,这种主要是