System for PCB Defect Detection Using Visual Computing and Deep Learning for Production Optimization

Table 2

Hyperparameters used in CNN-based methods.

VGG
Epochs	200
Learning rate	0.001
Loss function	Categorical crossentropy
Metrics	Accuracy
Optimizer	Adam
CAE
Epochs	200
Learning rate	0.001
Loss function	MSE
Metrics	Accuracy
Optimizer	Adam
WGAN-GP
Epochs	300
Learning rate	0.0002
Loss function	Wasserstein with gradient penalty
Optimizer	Adam