which function works for identifying numbers?

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khaled hossain
khaled hossain el 5 de Feb. de 2011
hello, i am trying to detect numbers from image using the threshold technique.but i am unable to find the boundaries.which function can detect the numbers directly?

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Daniel Armyr
Daniel Armyr el 22 de Feb. de 2012
Detecting numbers is a form of OCR which is a non-trivial task. If you want a solution that works out of the box, you will have to purchase specialized software for it.
If you just want to find the boundries, you can get creative with the convhull function to find insides and outsides.

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