Convolution Convolutional neural network 6 Convolutional neural networks 3 Pattern recognition 3 artificial intelligence 3 6G-IoT 2 6g-IoT 2 Acetone 2 Benchmarking 2 Constrained optimization 2 Data handling 2 Deep learning 2 Electronic nose 2 Gas detectors 2 Gas sensor arrays 2 Gas-sensors 2 Gases 2 Internet of things 2 Learning algorithms 2 Machine learning 2 Mean square error 2 Neural networks 2 Performance 2 Sensor elements 2 Sixth-generation wireless communication technology (6g) 2 Spatial augmentation 2 Wireless communication technology 2 Zero padding 2 convolutional neural networks 2 deep learning 2