Optimized OCR black/white pixel algorithm

Question

I am writing a simple OCR solution for a finite set of characters. That is, I know the exact way all 26 letters in the alphabet will look like. I am using C# and am able to easi

Answer 1

Why not just consider the image as an 25-bit integer? A 32-bit int may work. For example, the letter 'I' can be treat as an integer 14815374 in decimal for its binary expression is 0111000100001000010001110. It's convenience for you to compare two images with the operation '==' as two integer.