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Improved Stochastic Gradient Matching Pursuit Algorithm Based on the Soft-Thresholds Selection.
Liquan Zhao
Yunfeng Hu
Published in:
J. Electr. Comput. Eng. (2018)
Keyphrases
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stochastic gradient
pursuit algorithm
learning automata
sparse approximation
stochastic gradient descent
matching pursuit
nearest neighbor classifier
least squares
image processing
multiscale
graphical models
linear combination
image coding
matrix factorization
step size