CNN 54 Technology: general issues 46 History of engineering and technology 36 Deep learning 31 Research & information: general 26 History of engineering & technology 25 deep learning 23 Convolutional neural networks 21 Information technology industries 20 Convolutional neural network 15 Convolution 14 Computer science 13 Research and information: general 13 Convolutional Neural Network (CNN) 11 human 9 Biology, life sciences 8 machine learning 8 Classification (of information) 7 Image enhancement 7 Mask R-CNN 7 convolutional neural network (CNN) 7 Feature extraction 6 Geography 6 Object detection 6 controlled study 6 AlexNet 5 Article 5 Diseases 5 LSTM 5 Mathematics & science 5