MOTION CAPTURE DEVICE, MOTION CAPTURE METHOD, MOVEMENT PERFORMANCE DIAGNOSTIC METHOD AND DEVICE WORN ON BODY FOR MOTION CAPTURE

摘要

A motion capture device and motion capture method are provided which make it possible to visualize actual motion of a periodically moving part without the use of a camera. This motion capture device 10 includes a case 12. A three-dimensional acceleration sensor 20 and a calculation processing unit 22 are provided in the case 12. The motion capture device 10 is attached to a periodically moving part. The calculation processing unit 22 overlays the acceleration waveforms of the moving part measured by the three-dimensional acceleration sensor 20 on each other, averages the result, removes the DC component, integrates the result over time a first time, and further removes the DC component and integrates the result over time a second time.