Feature aggregation 4 Convolution 3 Technology: general issues 3 Article 2 History of engineering & technology 2 Humans 2 Medical imaging 2 Semantics 2 convolutional neural network 2 human 2 machine learning 2 training 2 'current 1 Aggregation model 1 Aggregation network 1 Algorithms 1 Alzheimer disease 1 Attention mechanisms 1 Blood 1 CD20 antigen 1 CD3 antigen 1 CD4 antigen 1 CD5 antigen 1 CD56 antigen 1 CD8 antigen 1 Classification (of information) 1 Clinical practices 1 Codes (symbols) 1 Convolutional networks 1 Convolutional neural network 1