Guetzli

https://technews.tw/2017/03/19/google-releaseed-guetzli-source-code/

編譯和教學
https://blog.gtwang.org/web-development/guetzli-jpeg-image-encoder/

https://drive.google.com/open?id=0B7H5vJR3qWj0V29ibE9hZG9OTms