10.6084/m9.figshare.5331286.v1 Yunpu Hu Yunpu Hu OE_video.mp4 Optica Publishing Group 2017 motion measurement Laser Doppler velocimetry 2017-11-20 15:29:07 Media https://opticapublishing.figshare.com/articles/media/OE_video_mp4/5331286 This is a demonstration of the experiment in Sec. 4.2. A white board is moved by human hand and the motion is measured by the proposed system. Then the measured motion is visualized by duplicating the measured motion to a virtual cube rendered by OpenGL.