need help in C# OCR

I am doing C# OCR for Chinese characters. I am required to do something like COCR2, which the users can use the small box to choose the character that the users want th开发者_Python百科e system to recognize from the image. Anyone know how to do that?

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I have done something similar using Emgu CV (a .net wrapper for OpenCV). http://www.emgu.com/wiki/index.php/Main_Page

I specifically used the EigenObjectRecognizer class to do the image matching.