https://blog.wongcw.com/2022/08/05/%e5%85%8d%e8%b2%bb%e7%b6%b2%e7%b5%a1%e5%b7%a5%e5%85%b7gfp-gan%e5%88%a9%e7%94%a8ai%e6%8a%80%e8%a1%93%e7%9e%ac%e9%96%93%e4%bf%ae%e5%be%a9%e8%88%8a%e7%85%a7%e7%89%87/