Why do they want to store the image at all?
Compare against the stored values and discard the captured image. That should be enough.
Compare against the stored values and discard the captured image. That should be enough.
If the scanners are upgraded to 3D (likely at some point), it'll make for a good source of model data for future fabrication efforts.
Along the lines of https://news.ycombinator.com/item?id=14786863