Abstract
Interacting with the 3D content present in games
and virtual environments generally involves some form of
3D interaction. As such, the design and development of 3D
spatial interaction devices are important in creating more
realistic and immersive user experiences in 3D virtual
environment applications through natural and intuitive
human expression. In general, current commercially
available 3D input devices for virtual reality applications
like data gloves, multiple DOF sensors and trackers, etc.
typically come with a heavy price tag. The objective of this
research is to investigate an approach to setting up an
inexpensive 6-DOF optical tracking system using Wii
Remotes, which is adequate for 3D interaction in an
interactive Head-Mounted Display (HMD) virtual reality
system. For the purpose of HMD virtual reality, a user
should ideally be able to use a 3D interaction device in a
space surrounding the user. This cannot be achieved when
using this game controller in the conventional manner. Also,
normal usage of the controller only allows for relative
positioning and cannot reliably track 6-DOF. This paper
outlines a method of using Wii Remotes for 3D spatial
interaction in an area surrounding the user. This paper also
presents experimental results conducted in order to
benchmark the accuracy of the system, by comparing the
system’s position and orientation estimates with the
readings obtained from a commercial 6-DOF magnetic
tracker.
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