Je crois que ce logiciel est celui que tu cherches:
g3data is used for extracting data from graphs. For example, graphs
are typically published in scientific journals without tables of the
actual data; g3data makes the process of extracting these data easy.
# g3data
Posté par CopainJack (site web personnel, Mastodon) . En réponse au message Logiciel pour retrouver des données à partir d'un graphe. Évalué à 2.
g3data is used for extracting data from graphs. For example, graphs
are typically published in scientific journals without tables of the
actual data; g3data makes the process of extracting these data easy.
http://freshmeat.net/projects/g3data/