deep-learning image-classification logistic-regression convolutional-neural-networks transfer-learning image-segmentation action-recognition 3d-models real-time-analytics lasso-regression resnet-18 separable-convolution sars-cov-2 covid-2019 dilation-convolution 3d-cnn-architecture stochastic-gradient-boosting-classifier r2plus1d-model-pytorch genome-to-image logistic-lasso-regression