Features fusions 14 feature fusion 8 Feature extraction 7 Convolution 6 Deep learning 6 Convolutional neural network 5 Feature fusion 5 Image fusion 5 deep learning 5 Attention mechanisms 4 Classification (of information) 4 Convolutional neural networks 4 Image segmentation 4 Multi-scale features 4 Semantics 4 Extraction 3 Features extraction 3 Humans 3 Medical imaging 3 Network layers 3 attention mechanism 3 convolutional neural network 3 human 3 image segmentation 3 machine learning 3 Article 2 Convolutional networks 2 Forecasting 2 Image classification 2 Image enhancement 2