RETRACTED: Cultural Tourism Industry Feature Extraction Based on Multiscale Feature Fusion Algorithm and Artificial Intelligence

Table 2

Performance comparison of different dimension reduction methods.

Downscaling methods	Accuracy	Specificity	Sensitivity
Scale 1 + DT-CWT + PCA	69.35	21.05	83.54
Scale 1 + DT-CWT  ＋ LDA	69.03	40.71	74.38
Scale 1 + DT-CWT  ＋ LLE	62.04	35.43	75.22
Scale 1 + DT-CWT + isomap	67.98	45.76	74.82
Scale 1 + DT-CWT + KPCA	84.52	76.34	87.30
Scale 1 + DT-CWT	57.62	56.31	56.68