performance capture
noun [ U ] theater & film specialized uk/pəˈfɔː.məns ˌkæp.tʃər/ us/pɚˈfɔːr.məns ˌkæp.tʃɚ/
表演捕捉（技术）
the process of recording the movements of an actor, used for example in film-making and video games
In the movie, the actor plays five different roles, which was achieved using a technique called performance capture. 在电影中，这个演员一人扮演了五个不同的角色，这是用一种叫做表演捕捉的技术实现的。