How to implement letter filling?

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i_vovani2020-09-05 17:33:26

Image processing

i_vovani, 2020-09-05 17:33:26

Is there a picture of how to fill in the letters in the picture and get rid of the noise, with examples, please?

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3 answer(s)

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Sergey Tikhonov, 2020-09-06
@tumbler

And if it's stupidly strongly blurred and then binarized?

A

Alexander Skusnov, 2020-09-06
@AlexSku

Examples in Matlab (Image Processing toolbox):
https://www.mathworks.com/help/images/calculate-re...
https://www.mathworks.com/help/images/erode-an-ima.. https :
//www.mathworks.com/help/images/use-morpholo...
https://www.mathworks.com/help/images/detecting-a-...

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Roman Mirilaczvili, 2020-09-06
@2ord

Well, I played around with filters in GIMP (erosion, etc.). What's the point?
The problem is that Tesseract will not even be able to recognize

such an option

To recognize letters, it may be easier to train on a test set.