A novel Gray-Scale spatial exploitation learning Net for COVID-19 by crawling Internet resources

•Adapting the crawled updated CXR COVID-19 images datasets using web crawler-based cloud environment.•Crawling the updated CXR COVID-19 images datasets from different websites simultaneously.•Designing a novel Gray-Scale Spatial Exploitation Net (GSEN) to detect infected COVID-19 cases easily.•Optimizing the hyperparameters of GSEN by using Stochastic Gradient Descent (SGD) Optimizer.