Affordable Infrared-Optical Pose Tracking for Virtual and Augmented Reality

T. Pintaric, H. Kaufmann:
"Affordable Infrared-Optical Pose Tracking for Virtual and Augmented Reality";
Vortrag: IEEE Virtual Reality 2007, Charlotte, NC (USA); 14.03.2007 - 17.03.2007; in:"IEEE VR Workshop on Trends and Issues in Tracking for Virtual Environments", G. Zachmann (Hrg.); Shaker Verlag, Aachen (2007), ISBN: 978-3-8322-5967-9; S. 44 - 51.

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In this paper, we describe the hard- and software of a new low-cost infrared-optical pose-tracking system for room-sized virtual environments. The system consists of 4-8 shutter-synchronized 1394- cameras with an optical bandpass filter and infrared illuminator. All image-processing is done in software on an attached workstation. Preliminary results indicate low latency (20-40ms), minimal jitter (RMS less than 0.05mm/ 0.02°), submillimeter location resolution and an absolute accuracy of ±0.5cm. Currently, ten independent 6-DOF targets can be tracked in real-time with up to 60Hz.