Analysis SimCO Algorithms for Sparse Analysis Model Based Dictionary Learning

  title={Analysis SimCO Algorithms for Sparse Analysis Model Based Dictionary Learning},
  author={Jing Dong and Wenwu Wang and Wei Dai and Mark D. Plumbley and Zi-Fa Han and Jonathon A. Chambers},
  journal={IEEE Transactions on Signal Processing},
In this paper, we consider the dictionary learning problem for the sparse analysis model. A novel algorithm is proposed by adapting the simultaneous codeword optimization (SimCO) algorithm, based on the sparse synthesis model, to the sparse analysis model. This algorithm assumes that the analysis dictionary contains unit l2-norm atoms and learns the dictionary by optimization on manifolds. This framework allows multiple dictionary atoms to be updated simultaneously in each iteration. However… CONTINUE READING
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