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L. Cheng^1,2, M. Schreiner¹, A. Kunz²

Modern Mixed Reality Head-Mounted Displays (MR-HMDs) can track user movements across large spaces without external markers. This study evaluates the tracking accuracy and the loop closure capabilities of four commercially available MR-HMDs across four distinct scenarios. We found consistent tracking performance in well-lit and expansive environments for all devices. Tracking accuracy remained stable even in outdoor nighttime conditions. Furthermore, most HMDs demonstrated effective error correction during loop closure, with errors in non-loop scenarios consistently exceeding those in loop scenarios.

¹RhySearch, Werdenbergstr. 4, 9471 Buchs, Switzerland
²ETH Zürich, Rämistrasse 101, 8092 Zürich, Switzerland

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