日本語 Japanese Ask Questions Thread 4

If you have a question about the language, ask it and fellow 4channers might see it and answer it for you.


Japanese Ask Questions Thread2
http://dis.4chan.org/read/lang/1206158123/1-40

Japanese Ask Questions Thread3
http://dis.4chan.org/read/lang/1267485093/1-40

This is probably a question that's been asked before, but say I'm reading a manga and come across a kanji I don't recognize, is it possible to extract the kanji from the image via a program so that I can look it up? I'd use a dictionary, but I don't own one.