Research Article

Feature Fusion for Weld Defect Classification with Small Dataset

Table 4

The classification accuracies of HOG-SAE feature in different weights.

CRLOPNDPOSIMean

0.683.6%95.0%93.8%85.8%83.9%88.4%
0.784.7%93.6%93.3%85.8%80.4%87.5%
0.883.9%92.5%93.0%84.4%75.8%85.9%
0.982.3%91.7%93.0%84.1%73.1%84.8%