Table 3. Training results

Network (CNN)	RMSE	Training time	Training performance
AlexNet	0.16	74 min. 48 sec.	Very good
GoogLeNet	0.19	107 min. 16 sec.	Little good
VggNet16	0.14	355 min. 11 sec.	Good
VggNet19	0.14	414 min. 32 sec.	Good
ResNet18	0.14	88 min. 41 sec.	Very good
ResNet50	0.05	345 min. 45 sec.	Very good
ResNet101	0.07	623 min. 37 sec.	Good

CNN, convolutional neural network; RMSE, root mean square errors.