An Adaptive Sparsity Estimation KSVD Dictionary Construction Method for Compressed Sensing of Transient Signal

<div>Analysis of the effectiveness of adaptive sparsity estimation strategies for dictionary training. (a) Sparsity estimates for each column of the sample compared with fixed sparsity. (b) Dictionary training time comparison.</div>

Mathematical Problems in Engineering

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Figure 2: An Adaptive Sparsity Estimation KSVD Dictionary Construction Method for Compressed Sensing of Transient Signal 