pip3 install opencv-python opencv-contrib-python -i https://pypi.tuna.tsinghua.edu.cn/simple
python .\ocr_template_match.py -i ./images/credit_card_01.png -t ocr_a_reference.png
python .\ocr_template_match.py -i ./images/credit_card_01.png -t ocr_a_reference.png
python .\huakuai-recognition\huakuai.py
python .\image-mosaic\index.py