Deep learning 6 Feature extraction deep learning Convolutional neural networks 5 Convolutional neural network 3 Deep neural networks 3 Extraction 3 Features extraction 3 Convolution 2 Three-dimensional displays 2 Videos 2 convolutional neural network 2 360° videos 1 Action detection 1 Action localization 1 Attention mechanisms 1 Automatic identification 1 Automatic sleep staging 1 Automation 1 BERT 1 Benchmark 1 Bidirectional encoder representation from transformer 1 Biomedical signal processing 1 Biometrics 1 Blind segmentation 1 Brain computer interface 1 Brain-Computer Interface 1 Cascaded feature extraction 1 Chinese universities 1 Computer generated holography 1