Mobility

Impact of Position and Orientation Accuracy on Targeting in See Through Head-Mounted Displays for Soldier Information Systems

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Executive Summary

A first-order statistical model was developed to estimate the impact of position and orientation error (e.g., due to inaccurate GPS/compass information) on the ability to accurately place markers on objects in see through head-mounted displays for soldier information systems. In addition, the impact of such errors on the exchange of marker information between soldier nodes was also studied. A closed-form analytical solution was derived and compared to numerical (Monte Carlo) solutions. To compensate for the identified limitations of current systems, dynamically sized target markers and proximity warnings are proposed.

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