Photogrammetry 3D scanning of objects
create very high quality 3D model with texture from many pictures. Works only for colorful but not shiny no transparent. Must not move at all and keep the same light.
NeRF scanning of complete environment (AI)
Recording a video or using an app to capture an object or person as well as all the surrounding.
Unreal Engine (3D engine) with Metahuman (Avatar)
Unreal Engine + 3D model scanned NeRF + Scanned Avatar