wonderfull idea. Even if it would be not fully working.
Even better would be PCB OCR. make an image of the top and bottom of a PCB and let OCR spit out a reverse engineered copy of an old PCB. A nice way to preserve, repair, replace, old electronics.
So a kind of SVG OCR that also can read component values etc from a picture.
What about asking your question here:
And I just bumped into thisone:
http://ocr1.sc.isc.tohoku.ac.jp/e1/ An online Ocrad based OCR server.
I hope this helps your idea going, but i leave honours to you to to drop your idea with them.
Good luck, i hope to see this one day!