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Calibration of Virtual Environments Overview In this project the performance characteristics of two motion tracking modalities for use in a virtual environment were investigated. Ascension Technology’s Flock of Birds is an electromagnetic tracking system. InterSense’s IS-600 uses a combination of ultrasonic, infrared, and inertial principles. Case studies were performed for both tracking systems to study static distortion, temporal stability, and the effect of metal. The requirements of the virtual reality application would ultimately guide the choice of the tracker modality. InertiaCu be Bird SoniDisc Figure 2. Tracking hardware Receiver pods (2 of 4) X-bar Calibration stand Base unit Standard range transmitter Bird Electronics unit Figure 1. Experimental setup

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Receiver pods (2 of 4). X-bar. Bird. Electronics unit. Calibration stand. Standard range transmitter. Figure 1. Experimental setup. Base unit. Calibration of Virtual Environments. Overview - PowerPoint PPT Presentation

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Page 1: Calibration of Virtual Environments

Calibration of Virtual Environments

OverviewIn this project the performance

characteristics of two motion tracking modalities for use in a virtual environment were investigated. Ascension Technology’s Flock of Birds is an electromagnetic tracking system. InterSense’s IS-600 uses a combination of ultrasonic, infrared, and inertial principles. Case studies were performed for both tracking systems to study static distortion, temporal stability, and the effect of metal. The requirements of the virtual reality application would ultimately guide the choice of the tracker modality.

InertiaCubeBird

SoniDisc

Figure 2. Tracking hardware

Receiver pods (2 of 4)

X-bar

Calibration stand

Base unit

Standard range transmitter

Bird

Electronics unit

Figure 1. Experimental setup

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