Well, the idea is this: integrate a OCR service in Okular, based in a KDE motor engine, or maybe in a external service, like Teserreact or Abbyy finereader.
Probably this idea extend in other services, like Calligra Office suite or Gwenview And well... thi is all idea xD I hope like you :D Greetings of all KDE squad. You are the best!! :D