A Convolution Residual Network for Heating-Invariant Defect Segmentation in Composite Materials Inspected by Lock-in Thermography. - Davide Morelli; Roberto Marani; Ester D'Accardi; Davide Palumbo; Umberto Galietti; Tiziana D'Orazio (IEEE Trans. Instrum. Meas., 2021)