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Head-mounted display (HMD) based immersive virtual environment (VE) systems that incorporate a wearable rendering unit allow users to navigate within virtual worlds through natural walking. Redirected walking (RDW) is a technique that allows users to explore virtual worlds which are larger than the physical tracking area. It involves imperceptibly rotating the VE that the user sees, which causes the...
A goal of redirected walking (RDW) is to allow large virtual worlds to be explored within small tracking areas. Generalized steering algorithms, such as steer-to-center, simply move the user toward locations that are considered to be collision free in most cases. The algorithm developed here, FORCE, identifies collision-free paths by using a map of the tracking area's shape and obstacles, in addition...
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