title: Invoice/Imaging: Remove noise in image
body: <p>I have a black/white image here that I am preparing to be ready to be put in an OCR, namely Tesseract. However Tesseract is not able to detect any of the noised areas.
  <img src="https://i.stack.imgur.com/shXON.jpg" alt="enter image description here"></p>
  
  <p>At what kind of solution am I looking here to remove the noise? As Tesseract is not able to recognize it, I think removing is the best viable option.</p>