Effect of Environment Size on Curvature Redirected Walking Thresholds

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PubDate: August 2018

Teams: ETH Zurich

Writers: Anh Nguyen; Yannick Rothacher; Andreas Kunz; Peter Brugger; Bigna Lenggenhager

PDF: Effect of Environment Size on Curvature Redirected Walking Thresholds

Abstract

Redirected walking (RDW) refers to a number of techniques that enable users to explore a virtual environment larger than the real physical space. These techniques are based on the introduction of a mismatch in rotation, translation and curvature between the virtual and real trajectories, quantified as rotational, translational and curvature gains. When these gains are applied within certain thresholds, the manipulation is unnoticeable and immersion is maintained. Existing studies on RDW thresholds reported a wide range of threshold values. These differences could be attributed to many factors such as individual differences, walking speed, or environment settings. In this paper, we propose a study to investigate one of the environment settings that could potentially influence curvature RDW thresholds: the environment size. The detailed description of the study is also provided, where the adaptive, 2-alternative forced choice method is used to identify the detection thresholds.

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