Visual features of inscriptions. An issue for EDB (and EAGLE)

In these last years the amount of digital images of inscriptions increased very quickly: we do not need accurate textual descriptions of the so-called anaglypha, because we can directly see them. But we have to build a search-by-image, using photos and drawings but also tagging them with standardized - and shared - labels. The issue of the “illustrated inscriptions” brings us to consider more broadly all the visual features of inscriptions, that were conceived as objects to see, not only to read