Fig. 3: Results of the crack detection approach proposed by Nadisic et al. using DAL4ART on a patch from the panel Singing Angels of the Ghent Altarpiece.
From: Machine learning for painting conservation: a state-of-the-art review
a Original patch (visual macrophotography). b Crack map produced by a pre-trained CNN. c Manual annotations for the 1st iteration of active learning. d Manual annotations for the 2nd iteration of active learning. e Manual annotations for the 3rd iteration of active learning. f Crack map produced after the 1st iteration of active learning. g Crack map produced after the 2nd iteration of active learning. h Crack map produced after the 3rd iteration of the active learning network. Nadisic et al.29. Licensed under CC BY-NC-ND 4.0 (https://creativecommons.org/licenses/by-nc-nd/4.0/).
