A surprising number can be solved with teseract and simple preprocessing (e.g. thresholding, expand and contract lines). For more complex cases, not AI but con

A surprising number can be solved with teseract and simple preprocessing (e.g. thresholding, expand and contract lines). For more complex cases, not AI but consider the attack in https://www.usenix.org/system/files/conference/woot14/woot14-bursztein.pdf https://www.usenix.org/system/files/conference/woot14/woot14...