Can't recognize an image with only '0'

[gurudk]

import easyocr

reader = easyocr.Reader(['ch_sim', 'en']) # this needs to run only once to load the model into memory result = reader.readtext('zero.jpg') print(result)

===========================output================= []

[gurudk]

I debug the code , find the defualt text_threshhold = 0.7 is too high. I set this value to 0.3, that is ok!