A low cost PSD-based monocular motion capture system

Young Kee Ryu; Choonsuk Oh

doi:10.1117/12.754221

10 October 2007 A low cost PSD-based monocular motion capture system

Young Kee Ryu, Choonsuk Oh

Proceedings Volume 6716, Optomechatronic Sensors and Instrumentation III; 67160J (2007) https://doi.org/10.1117/12.754221
Event: International Symposium on Optomechatronic Technologies, 2007, Lausanne, Switzerland

Abstract

This paper describes a monocular PSD-based motion capture sensor to employ with commercial video game systems such as Microsoft's XBOX and Sony's Playstation II. The system is compact, low-cost, and only requires a one-time calibration at the factory. The system includes a PSD(Position Sensitive Detector) and active infrared (IR) LED markers that are placed on the object to be tracked. The PSD sensor is placed in the focal plane of a wide-angle lens. The micro-controller calculates the 3D position of the markers using only the measured intensity and the 2D position on the PSD. A series of experiments were performed to evaluate the performance of our prototype system. From the experimental results we see that the proposed system has the advantages of the compact size, the low cost, the easy installation, and the high frame rates to be suitable for high speed motion tracking in games.

Citation Download Citation

Young Kee Ryu and Choonsuk Oh "A low cost PSD-based monocular motion capture system", Proc. SPIE 6716, Optomechatronic Sensors and Instrumentation III, 67160J (10 October 2007); https://doi.org/10.1117/12.754221

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