Other then maybe LA Noire, I have yet to see a single studio use 3D-Scan and even do the original person justice they scanned. I've seen traditional software users like Max or Maya capture peoples likeness more vertice by vertice then 3D-Scans did in majority of the games.
for realistic human, mostly today people use 3d scan, ( or just buy them) it was very high budget approach back then but nowdays it much more common. this is one of the best ( and affordable way to do your own) http://www.ir-ltd.net/ facebook page https://www.facebook.com/InfiniteRealities?fref=ts but still need human eye…