tensorflow中models的安裝參看網址：
1. Tensorflow Object Detection API Windows Install Guide
http://www.insightsbot.com/blog/1KYUd3/tensorflow-object-detection-api-windows-install-guide
2. TensorFlow Models Installation
https://tensorflow-object-detection-api-tutorial.readthedocs.io/en/latest/install.html#tensorflow-models-installation
3.How to use TensorFlow Object Detection API On Windows
https://medium.com/@rohitrpatil/how-to-use-tensorflow-object-detection-api-on-windows-102ec8097699