How do I write my own OCR application?

I need a free OCR application for the handheld smart phone, but have no idea how to do image processing.

I am a strong object oriented developer and could really have some fun creating objects out of each letter and building words and sentences. But I do not know how to get started.

How do I figure out that a letter is a Q, for example? I assumed I'd need a database of letters then create a scoring mechanism to assess whether that Q is an M, O, P, etc. I assume then I'd look for the letter with the highest score.

My problem is generating the score? Do I do a pixel by pixel comparison?

Let me know if you have any ideas.....

newbiewebSr. Software EngineerAsked:
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Here are some thoughts how to get started.
newbiewebSr. Software EngineerAuthor Commented:
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