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Motion Capture
Motion capture is a technique where sensors are attached to a human subject,
and the subject's motion is then tracked by a computer. The resulting data
is then used to animate a polygonal model. Since the motion information
is taken directly from an actual person, the polygonal model will accurately
mimic the human model.
by Dan Carolin, Joel Kulesa, and Lee Saito Advisors: Dr. Thomas Stewart and Dr. Jim Sennott This project involves the use of relatively inexpensive ultrasonic transducers
to provide position information. The ultrasonic transmitters and their
support circuitry are worn by the subject. Each transmitter emits a short
40kHz ping at a regular interval. These pings are received by a series
of fixed location base stations, which record the time of the signal's
arrival. These times are then transmitted serially to a PC, where a series
of equations is solved to derive the exact position of each transmitter.
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