Image compression of surface defects of the hot-rolled steel strip using Principal Component AnalysisAdel Boudiaf, Khaled Boubendira, Khaled Harrar, Achour Saadoune, Hatem Ghodbane, Amine Dahane and Oussama MessaiMatériaux & Techniques, 107 2 (2019) 203DOI: https://doi.org/10.1051/mattech/2019012