Double-Step U-Net: A Deep Learning-Based Approach for the Estimation of Wildfire Damage Severity through Sentinel-2 Satellite Data Alessandro Farasin, Luca Colomba, Paolo Garza (2020) Double-Step U-Net: A Deep Learning-Based Approach for the Estimation of Wildfire Damage Severity through Sentinel-2 Satellite Data, In: APPLIED SCIENCES, ISSN: 2076-3417