I found this great software (called TIRG) which is free, open source, and finds text in images (though it doesn't normalise to black / white). Compiles fine on

I found this great software (called TIRG) which is free, open source, and finds text in images (though it doesn't normalise to black / white). Compiles fine on Windows. https://sourceforge.net/projects/tirg/files/ https://sourceforge.net/projects/tirg/files/