Error code list for Tesseract? 3221225781

Question

I'm experimenting Pytesseract, and got a problem. I am running Python 3.8.2 with Tesseract 4.0.0 (Also tried with 5.0.0 and 3.0.5, same error) and Pytesseract 0.3.4 (installed with pip) on Windows 10. I can launch tesseract from cmd, as I added the Path variables as intended. The png image is literally a screenshot of a 6.

The code is very simple:

from PIL import Image
import pytesseract

img = Image.open('6.png')
print(pytesseract.image_to_string(img))

And here is the error I got:

Traceback (most recent call last):
  File "C:\Documents\TestPytesseract\findNumber.py", line 5, in <module>
    print(pytesseract.image_to_string(img))
  File "C:\Users\ilita\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pytesseract\pytesseract.py", line 356, in image_to_string
    return {
  File "C:\Users\ilita\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pytesseract\pytesseract.py", line 359, in <lambda>
    Output.STRING: lambda: run_and_get_output(*args),
  File "C:\Users\ilita\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pytesseract\pytesseract.py", line 270, in run_and_get_output
    run_tesseract(**kwargs)
  File "C:\Users\ilita\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pytesseract\pytesseract.py", line 246, in run_tesseract
    raise TesseractError(proc.returncode, get_errors(error_string))
pytesseract.pytesseract.TesseractError: (3221225781, '')

Couldn't find anything about this error code. Any help is welcome.

Thank you very much.

Answer 1

You may try to set the tesseract command in your python code

import pytesseract
# Set the path to Tesseract-OCR
pytesseract.pytesseract.tesseract_cmd = r'C:\Program Files\Tesseract-OCR\tesseract.exe'

Also, make sure if your Windows environment variables are properly set to the path you installed the Tesseract-OCR. For me, the path to Tesseract-OCR is C:\Program Files\Tesseract-OCR\, so the PATH contains

• C:\Program Files\Tesseract-OCR\tessdata
• C:\Program Files\Tesseract-OCR

and there should be an another variable TESSDATA_PREFIX in your environment variables, and should be set as

• C:\Program Files\Tesseract-OCR\tessdata

Hopes that helps.