Journal Article COVID-19 Anomaly detection BiGAN CAE COVID-19 detection Complexity-vs.-accuracy comparisons Computed Tomography (CT) Convolutional autoencoders Coronavirus disease 2019 CycleGAN Deep convolutional autoEencoder Deep denoising autoencoder Feature learning Feature-aided SISR Hidden feature extraction Hidden representation Kernel density estimation Noise reduction Pneumonia Reconstruction error Single-Image Super-Resolution (SISR) Task-awareness Transfer learning Twinned Residual Auto-Encoder (TRAE) Unsupervised-vs.-weakly supervised learning