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From: Chris Angelico <rosuav@gmail.com>
Newsgroups: comp.lang.python
Subject: Re: Why my image is in bad quality ?
Date: Thu, 17 Dec 2015 01:33:36 +1100
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On Thu, Dec 17, 2015 at 1:21 AM,  <fsn761304@gmail.com> wrote:
> I tried also another code (see below) and without scaling by 20 quality of recognition was very bad.
>
> from pytesseract import image_to_string
> from PIL import Image
>
> im = Image.open("screen.png")
> print(im)
> im = im.resize((214*20,26*20), Image.ANTIALIAS)
> print(image_to_string(im))

If you need to scale by 20x20 to get the text recognition to work, I
would recommend using something other than an anti-alias filter. Omit
the second argument to use a simpler algorithm; you'll get a blocky
result, which might parse more cleanly for you.

ChrisA