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Possible Duplicate:
segment digits in an image - Matlab

I am working on vehicle number plate recognition system using MATLAB. I tried extracting the number plate using threshold and mathematical morphology, but i'm getting problems while extracting the plate area when the vehicle is white colored. I searched the web but most of them were using edge detection. Can anyone help me out to extract number plate without using edge detection?

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Vivek
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    I think that a good start is OpenCV. A related question is http://stackoverflow.com/questions/7227074/horizontal-line-detection-with-opencv – Mihai8 Jan 28 '13 at 12:33
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    It might help if you showed the sort of images which are giving you a problem. – Bill Cheatham Jan 28 '13 at 13:49
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    As you can see, the answers you are getting are not too informative and quite brief. The reason for this is your question: it is also too short and too brief and does not show any effort on your part. Please ask a [good question](http://stackoverflow.com/questions/how-to-ask) so we can give you better answers! – Shai Jan 28 '13 at 13:50
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    Have you looked at [stroke width transform](http://research.microsoft.com/pubs/149305/1509.pdf)? – Shai Jan 28 '13 at 13:48

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