Dexter Figure Selection
I have been unable to find the image, the error is `Require a DOI'.
Dexter is an open source tool to interactively or semi-automatically extract data from scanned graphs. The ADS applet Dexter, which is available under the GNU General Public License, has been adapted by EDP Sciences to work with A&A articles.
EDP has made some slight modifications to Dexter. You can download a unified diff of the modifications here.