Image Restoration using Mirroring Method Which Based on the Gradient DirectionI Komang Somawirata, Aryuanto Soetedjo, Sotyohadi Sotyohadi, Fitri Utaminingrum and Maizirwan MelE3S Web Conf., 188 (2020) 00011DOI: https://doi.org/10.1051/e3sconf/202018800011