I came across this: http://3.bp.blogspot.com/-TYtSdyZ0v-Y/Vp_v06xG58I/AAAAAAAAG70/NUz-4_laAC4/s1600/marekNovotny_Texture.jpg http://4.bp.blogspot.com/-vZffYyEYflQ/Vp_EFtkF8EI/AAAAAAAAG60/Lz95wBZwqqk/s1600/20160120_112859.jpg https://pbs.twimg.com/media/CZLknKLW0AAaetZ.jpg:large Its some game dev company scanning real human…
From my experience those marks are just there to show where to place the reflective markers for motion-capture. It's faster to draw marks on the actors face like this (often times using a mask with holes), so that whenever one of the markers falls off it's quick to put one back in the right place. As for software, well…