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I want to remove lines from a noise image like:

IMAGE_NOISED

I used morphological operations such erosion, dilation, and filters like thresholding, denoise tv, to remove most part of noise, but I have these lines on this image and want to remove then, I already tried hough lines, let us discuss about techniques, function or algorithms to extract lines from image?

And are there any technique based on machine learning to pre - process images?

I tested most of the algorithms present in this link: Scikit Image - Examples

And I did not get good results :( .

willer quintanilha
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    I find it difficult to see the noise in your example. I just see red, yellow and black lines on white background. Could you maybe specify where the noise in the image is? – NoDataDumpNoContribution Apr 25 '19 at 13:40
  • @Trilarion i atualized the image ^^ – willer quintanilha Apr 25 '19 at 14:48
  • Maybe a fourier transform can help you, try transforming the image to see if the lines show up as a specific pattern, then you can treat the transformed image and transform it back – Lucas Abbade Apr 25 '19 at 14:51
  • How many times you eroded/dilated your image? Sometimes I apply these operators more than once and the amount of doesn't necessarily needs to be equal, as well as the order you do them is arbitrary. – fabda01 Apr 28 '19 at 15:46

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