ATTENTION: This is a web archive! The IMS Group was split up in 2018 and does not exist anymore. Recent work of former members can be found at the VR/AR Group and the Computer Vision Group.

Interactive Media Systems, TU Wien

Affordable Infrared-Optical Pose Tracking for Virtual and Augmented Reality

By Thomas Pintaric and Hannes Kaufmann


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.


T. Pintaric, H. Kaufmann: "Affordable Infrared-Optical Pose Tracking for Virtual and Augmented Reality"; Talk: IEEE Virtual Reality 2007, Charlotte, NC (USA); 03-14-2007 - 03-17-2007; in: "IEEE VR Workshop on Trends and Issues in Tracking for Virtual Environments", G. Zachmann (ed.); Shaker Verlag, Aachen (2007), ISBN: 978-3-8322-5967-9; 44 - 51.


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