A memorandum about the Python tesseract wrapper library

Overview

It's just a memorandum.

pyocr

The license is GPL v3 +. Since it depends on pillow, conversion is troublesome each time when using opencv. The functions are reasonably easy to use.

pytesseract

The license is Apache License Version 2.0. You can also use numpy arrays here, so it goes well with opencv. It's not bad to use, but pyocr is easier to use for the bounding box. The function group is only the minimum necessary, but if you simply want to recognize characters, I think that it meets the necessary and sufficient functions.

https://github.com/madmaze/pytesseract

tesserocr

There is no license notation. I haven't used it even once, so I can't describe it in particular.

https://github.com/sirfz/tesserocr

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