Large-Scale FAS Benchmarks Protocol and data pre-processing

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Hi, thanks for the great Job!
I would like to know how I should modify the code if I use the protocol of Large-Scale FAS Benchmarks? And how do I pre-process the data? Just like SSDG does(https://github.com/taylover-pei/SSDG-CVPR2020)? I saw that you mentioned pre-processing the data similar to CDCN, but I didn't find how they do it on the website.