read numbers and letters from an image using openCV

Question

I am developing an application to read the letters and numbers from an image using opencv in c++. I first changed the given colour image and colour template to binary image, the

Answer 1

If you are working with a fixed set of bus destinations, template matching will do.

However, if you want the system to be more flexible, I would imagine you would need some form of contour/shape analysis for each individual letter.