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Efficient Sum of Outer Products Dictionary Learning (SOUP-DIL) and Its Application to Inverse Problems.
Saiprasad Ravishankar
Raj Rao Nadakuditi
Jeffrey A. Fessler
Published in:
IEEE Trans. Computational Imaging (2017)
Keyphrases
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dictionary learning
inverse problems
sparse representation
sparse coding
computationally expensive
genetic algorithm
linear combination
optimization methods
low dimensional
particle swarm optimization
high dimensional data
global optimization
convex optimization