Ensemble Classifiers and Feature-Based Methods for Structural Damage Assessment

Table 7

Selected features by forward selection technique for different feature sets.

Feature set	Time-frequency method	Optimal feature set
Feature set 1	STFT	S8, S2, S7, S3, and S1
Feature set 2	Fast-ST	S10, S5, S4, S1, S9, and S7
Feature set 3	WT	S8, S5, S3, and S4
Feature set 4	SWT	S5, S2, S9, S1, S4, S7, S6, and S3
Feature set 5	EWT	S6, S5, and S10