Model-based OPC Forecasting 7 Convolutional neural network 6 Deep learning 6 Learning systems 6 Long short-term memory 6 Performance 6 Convolutional neural networks 5 Learning models 5 Channel flow 4 Commerce 4 Convolution 4 Education computing 4 Efficiency 4 Machine-learning 4 Optimization 4 Quality control 4 Teaching 4 Artificial intelligence 3 Behavioral research 3 Costs 3 Data handling 3 Data reduction 3 Deep neural networks 3 Finite element method 3 Image enhancement 3 Iterative methods 3 Learning algorithms 3 Machine learning 3 Mean square error 3