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How I can clean the noise in this Plate?

asked 2014-06-12 09:43:21 -0500

How can I clean the noise in the Plate leaving only the characters?image description

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answered 2014-06-12 09:54:28 -0500

Apply connected components and remove the largest component (the black borders). Then you'll only have the characters. To clean noise you can further remove very small connected components.

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I tried it but didn't work, I've tried to answer my question with the code but I need two days for do it.

ricardo99 gravatar imagericardo99 ( 2014-06-12 12:13:00 -0500 )edit

answered 2014-06-12 18:57:02 -0500

wuling gravatar image

updated 2014-06-12 19:03:00 -0500

GilLevi says that you must calcuate max. area and remove it. The other way, you can use morphology method. The example please ref:

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Asked: 2014-06-12 09:43:21 -0500

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Last updated: Jun 12 '14