High-speed human motion recovery employing back projection

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This paper describes a novel technique for high-speed human motion recovery. For 3-D human motion recovery, stereoscopic vision is a normal technique, as well as the employment of a magnetic field, but this cannot avoid the difficulty of marker tracking. In this article, a novel motion recovery technique is proposed based on the back projection of silhouette images. This technique has some advantages over others because it does not employ markers, and it has a simple architecture. In the experiment performed, the proposed motion recovery technique is implemented on a system containing a LAN, a host computer, and four pairs of camera and computer, and it achieves high-speed human motion recovery.