Topic summary

Motion capture

Motion capture

Process of recording the movement of objects or people Motion capture of two pianists' right hands playing the same piece (slow-motion, no-sounds) Two repetitions of a walking sequence recorded using motion capture Motion capture (sometimes referred to as mocap or mo-cap, for short) is the process of recording high-resolution movement of objects or people into a computer system. It is used in military, entertainment, sports, medical applications, and for validation of computer vision and robots. In films, television shows and video games, motion capture refers to recording actions of human actors and using that information to animate digital character models in 2D or 3D computer animation. When it includes face and fingers or captures subtle expressions or voices, it is often referred to as performance capture. In many fields, motion capture is sometimes called motion tracking, but in filmmaking and games, motion tracking usually refers more to match moving. In motion capture sessions, movements of one or more actors are sampled many times per second. Whereas early techniques used images from multiple cameras to calculate 3D positions, often the purpose of motion capture is to reco