Research Article
An Adaptive Sparsity Estimation KSVD Dictionary Construction Method for Compressed Sensing of Transient Signal
Algorithm 1
Adaptive sparsity estimation KSVD (ASE-KSVD) algorithm.
| | Input: ; | | | Output: ; | | (1) | Initialization: ; | | (2) | Iteration: | | (3) | Update maximum index: ; | | (4) | Sparsity estimation and sparse encoding: | | | If | | | If | | | return step 3; | | | Else | | | return step 3; | | (5) | Calculate residual matrix: ; | | (6) | Update nonzero values column-by-column: ; ; ; | | (7) | Singular value decomposition: ; | | (8) | Calculate residuals: ; | | (9) | Search for optimal output: | | | If | | | | | (10) | Determining stop conditions: | | | If | | | Return to step 2 | | | Else | | | End iteration. |
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