Abstract
This work presents the Orion project. It aims to create a low-cost virtual reality system that provides highly satisfying virtual experiences. To this end, the latest technology and the most significant findings from state-of-the-art research are applied to develop a system that provides natural interaction and full freedom of movement. The system’s main features are as follows: wireless operation, real walking to navigate virtual environments, 3D gestural interaction, stereoscopic vision through a head-mounted display (HMD), and user movement tracking using inertial sensors. We discuss preliminary results and key aspects for developing the remainder of the project.
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Notes
- 1.
In 2012, Oculus VR, Inc., created a head-mounted display prototype that is called Oculus Rift. It is intended to revolutionize the manner in which people experience interactive content, and according to the tremendous expectations it has raised, the company will soon achieve this revolution. The project has garnered $2.4 million in funding from top video game companies and game enthusiasts around the world. Furthermore, they offered the Oculus Rift development kit (which cost $300) and expected hundreds of requests for it. They were overwhelmed when they received almost 10,000 requests (http://www.oculusvr.com).
- 2.
Oculus VR, Inc., is developing an inertial sensor that supports refresh rates as high as 1,000 Hz.
- 3.
Wireless video link from Sensics Inc. (http://sensics.com)
- 4.
Caustic Professional (https://caustic.com)
- 5.
NaturalPoint, Inc. (http://www.naturalpoint.com)
- 6.
XSens. (http://www.xsens.com)
- 7.
3D sound is based on HRTFs (head-related transfer functions).
- 8.
Oculus Rift features: field of view: 110° diagonal, 90° horizontal. Resolution: 1,280 × 800 (640 × 800 per eye). Mass: 220 g (http://www.oculusvr.com)
- 9.
- 10.
When the users turns his/her head at 60° per second and uses an HMD with 100° of horizontal FOV and 1280 pixels of horizontal resolution, and the overall latency is 50 milliseconds, then the displayed image is shifted 3° or, equivalently, 35 pixels.
- 11.
Oculus Latency Tester (http://www.oculusvr.com)
- 12.
Caustic Ray-Tracing Accelerator Boards (https://caustic.com)
- 13.
On the project website can be found the research results, the used resources, videos from the prototypes, and developed applications [23].
- 14.
We have used wireless Inertia Cube 3 inertial sensors from Intersense (www.intersense.com), the zSight HMD from Sensics (http://sensics.com), and its wireless video link.
- 15.
NaturalPoint, Inc. (http://www.naturalpoint.com)
- 16.
These tools and videos that show them working can be found at the project web site [23].
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Acknowledgments
This research has been partially supported by the Junta de Andalucia and the project CENIT España Virtual, within the Ingenio 2010 program, subcontracted by Elecnor Deimos.
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de la Rubia, E., Diaz-Estrella, A. (2013). ORION: One More Step in Virtual Reality Interaction. In: Penichet, V., Peñalver, A., Gallud, J. (eds) New Trends in Interaction, Virtual Reality and Modeling. Human–Computer Interaction Series. Springer, London. https://doi.org/10.1007/978-1-4471-5445-7_4
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