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- W1999275766 abstract "One of the central issues in the field of sparse representations is the design of overcomplete dictionaries with a fixed sparsity level from a given dataset. This article describes a fast and efficient procedure for the design of such dictionaries. The method implements the following ideas: a reduction technique is applied to the initial dataset to speed up the upcoming procedure; the actual training procedure runs a more sophisticated iterative expanding procedure based on K-SVD steps. Numerical experiments on image data show the effectiveness of the proposed design strategy." @default.
- W1999275766 created "2016-06-24" @default.
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- W1999275766 date "2012-09-01" @default.
- W1999275766 modified "2023-09-27" @default.
- W1999275766 title "Fast design of efficient dictionaries for sparse representations" @default.
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- W1999275766 doi "https://doi.org/10.1109/mlsp.2012.6349795" @default.
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