EAST achieve natural scene text detection tensorflow

Case I: python + opencv + EAST doing natural scene text detection
link: https://blog.csdn.net/luolan9611/article/details/81914251
Case II: a TensorFlow efficient and accurate implementation detector EAST text
link: HTTPS: //www.ctolib.com/argman-EAST.html
case III: EAST natural scene text detection practices (EAST: An Efficient and Accurate scene text Detector)
link: https://blog.csdn.net/sparkexpert/article/details / 77987654