that's a full Debevec style light stage but you can do this stuff with a couple of dSLRs and a home lighting setup with polarised light - kind of standard photo

that's a full Debevec style light stage but you can do this stuff with a couple of dSLRs and a home lighting setup with polarised light - kind of standard photogrammetry/hq texture/normal map generation techniques. You can see from the normal map in the video it's pretty detailed but at least for a single face capture you can do this at home. I'm not sure what secret sauce they have for capturing multiple facial expressions and some ML magic how to morph/animate between those. Btw you can get good results with things like https://www.unrealengine.com/en-US/metahuman https://www.unrealengine.com/en-US/metahuman too