OCR of low-resolution text from screenshots

Question

I\'m writing an OCR application to read characters from a screenshot image. Currently, I\'m focusing only on digits. I\'m partially basing my approach on this blog post: http:

Answer 1

I would look into using Haar cascades. I've used them for face detection/head tracking, and it seems like you could build up a pretty good set of cascades with enough '2's, '3's, '4's, and so on.

http://alereimondo.no-ip.org/OpenCV/34

http://en.wikipedia.org/wiki/Haar-like_features