Introduction• Motion capture is the process of recording human movement through specialised camera’s, and mapping them onto a character model .• Motion capture technology involves sensing, digitizing, and recording that object in motion.• It is also known as Mo-Cap, Virtual Theatre, Real- Time Animation or Performance Animation.
The birth of motion capture Historically, Motion Capture in animated movies was created using the extension of "ROTOSCOPING" technique.
RotoscopingA Rotoscoping is a device that enables animators to trace live action movement, frame by frame, for use in animation.
RotoscopingCaptured Video:Rotoscoping works by firstcapturing a video of a realactor around props thatresembles elements of a scene.
RotoscopingTracing:Animators then trace overeach frame of the recordedvideo, this would result in afigure that moved in avery realistic fashion.
RotoscopingPost Processing:Finally, the animated figuredwould be coloured and thenintegrated with variousbackground layers to createthe final shot.
The MOCAP PipelineCalibrationCaptureFitting to the SkeletonPost Processing
Calibration C 1 C 2Triangulation C 1 = (x , y , z ) 1 1 = (x , y , z ) 1principle!!!! C 2 2 2 2
MOCAP TechniquesThere are three MOCAP techniques:1) Optical2)Magnetic3)Mechanical