ANPR Character Recognition [closed]

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I'm implementing an ANPR system. I have managed to obtain a clear cut number plate area from a still vehicle image. I have a problem with certain characters when I am feeding them to the OCR engine.

I am using Tesseract and the problem is that characters like "W" and "M" are recognized as "N" and sometimes "U" as "D" and even "O" as "U" or "D" the other way around.

I am wondering whether its something to do with the OCR engine itself or whether I could do something to improve the number plate image. Following is the number plate image:

I am using Aforge.Net framework with C# and Tesseract as the OCR engine. Any advice would be much appreciated.

Answer 1

Hi guys I managed to sort this out by doing better preprocessing prior to doing the OCR because my characters seemed to be too distorted. sorry that I have not closed this question :( thanks for your efforts guys really appreciate it