Research Article
Comparison of Different Independent Component Analysis Algorithms for Output-Only Modal Analysis
Table 1
Comparison of five objective functions.
| Evaluation factor | Maximization kurtosis | Maximization negentropy | Minimization of mutual information | Maximum likelihood estimation | Infomax |
| Estimate the component at once | One | One | All | All | All | Estimated components must be irrelevant | Yes | Yes | No | Yes | Yes | Prior knowledge | No | No | No | Yes | No | Robustness to outliers | Low | High | Middle | Middle | Middle |
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