====== 7セグメント読み取り ======
参考  [[tesseract-ocr]]

python: https://github.com/jiweibo/SSOCR

https://ourcodeworld.com/articles/read/741/how-to-recognize-seven-segment-displays-content-with-ssocr-seven-segment-optical-character-recognition-in-ubuntu-1604

  sudo apt-get update
  sudo apt-get install libx11-dev
  sudo apt-get install libimlib2-dev
  
  git clone https://github.com/auerswal/ssocr.git
  
  cd ssocr
  
  make
  
  sudo mv ./ssocr /usr/local/bin/ssocr
  
  ssocr --version