Convolution Convolutional neural networks Convolutional neural network 7 convolutional neural network 6 Deep neural networks 5 Long short-term memory 5 Information exchanges 4 Internet of things 4 Network coding 4 Base matrix 3 Codes (symbols) 3 Coefficient matrix 3 Deep learning 3 Error correction 3 Iterative methods 3 Learning methods 3 Matrix algebra 3 Matrix factorization 3 Network security 3 Nonnegative Matrix Factorization 3 Nonnegative matrix factorization 3 Open source software 3 Open systems 3 Optical resolving power 3 Quick response code 3 Regularisation 3 Secret-sharing 3 Structural regularization 3 Superresolution 3 basis matrix 3