Research Article

Feature Fusion for Weld Defect Classification with Small Dataset

Table 2

The classification accuracies of different features.

Feature typesCRLOPNDPOSIMean

GLCM feature75.2%63.2%74.3%75.2%61.7%73.2%
HOG feature69.1%84.7%86.6%74.7%69.1%76.8%
SAE feature79.8%91.1%94.6%78.8%74.2%83.7%
HOG-GLCM feature80.9%95.6%79.3%87.6%96.0%87.8%
HOG-SAE83.3%93.9%89.5%84.9%86.8%87.7%
SAE-GLCM92.7%88.3%91.9%92.5%98.9%92.9%