Improving the VR experience - VRST 2012
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"Improving the VR experience, from the authors to the users" Creating an immersive virtual reality application is a big challenge: choosing (or creating) the right hardware, choosing (or creating) the right software, and finally crafting the user experience. The hardware is increasingly powerful and accessible, but we don't know how to make the best of it. This is in part because designing a VR experience is a complex software task, and is also due to our limited understanding of the main component of the system: the user. In this talk we will focus the current trends in system design, on the goals and design of MiddleVR, a generic VR plugin aimed at simplifying the creation of VR applications and we will discuss how our understanding of human perception can be used to improve the VR experience.
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Improving the VR experience - VRST 2012
- 1. Improving the VR experience From the authors to the users Sébastien Kuntz President
- 2. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 3. Sebastien Kuntz • Passion • Board member of • President • Blog: http://cb.nowan.net/blog • Twitter: @Cb_VRGeek
- 4. Sebastien Kuntz • Founder & President • 10 years adding VR to 3D engines • - French railways •
- 5. FRENCH RAILWAYS - SNCF • Polhemus magnetic tracker, treadmill, 5DT Glove • C++ / OpenSceneGraph / VRPN / OpenAL
- 6. FRENCH RAILWAYS - SNCF • Polhemus magnetic tracker, treadmill, 5DT Glove • C++ / OpenSceneGraph / VRPN / OpenAL
- 7. FRENCH RAILWAYS - SNCF
- 8. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 9. i’m in!
- 14. Presence in a virtual world
- 16. Experience of presence is in your brain !
- 29. Ridiculous If it’s real VR, you probably look ridiculous
- 30. Ridiculous If it’s real VR, you probably look ridiculous
- 31. Ridiculous If it’s real VR, you probably look ridiculous
- 32. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 33. Trends in VR Systems
- 34. Trends in VR Systems
- 35. 6 users stereoscopy + tracking • video Weimar University (DE)
- 36. Immersia 3, Irisa - Rennes, France
- 37. aixCave, RWTH Aachen University, Germany
- 38. Reality Deck, Stony Brook Univ, USA
- 39. Barco - RP-360
- 40. Why so big ?
- 43. Marketing
- 44. Generic
- 45. Generic =
- 46. Generic =
- 47. Generic = +
- 48. Generic = +
- 49. Generic = + +
- 50. Generic = + +
- 51. More people can use it (?)
- 52. But ...
- 53. But ... • Do we really know the systems ?
- 54. But ... • Do we really know the systems ? • Can we compare them ?
- 55. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics
- 56. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics • End-to-end latency
- 57. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics • End-to-end latency • Angular resolution
- 58. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics • End-to-end latency • Angular resolution • Tracking: extent, precision
- 59. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics • End-to-end latency • Angular resolution • Tracking: extent, precision • Field of regard
- 60. But ... • Do we really know the systems ? • Can we compare them ? • We need human-centric metrics • End-to-end latency • Angular resolution • Tracking: extent, precision • Field of regard • Framerate with standard application
- 61. But ... Too expensive !
- 62. low-cost VR µRV - Insa Rennes Lycee Couffignal www.Realyz.com
- 64. HMDs are back
- 65. HMDs are back
- 66. HMDs are back
- 67. HMDs are back
- 68. HMDs are back
- 69. HMDs are back
- 70. HMDs are back
- 71. low-cost VR
- 72. low-cost VR • As a development platform
- 73. low-cost VR • As a development platform • As a teaching platform
- 74. low-cost VR • As a development platform • As a teaching platform • As a duplicable platform
- 75. More people can use VR (!)
- 80. Immersion / Money 100 10
- 81. Immersion / Money 100 10
- 82. Immersion / Money 10x 100 10
- 83. Immersion / Money 2x ? 3x ? 10x 100 10
- 86. So we have a lot of hardware
- 87. So we have a lot of hardware But ...
- 88. So we have a lot of hardware But ... “VR is mainly a software problem”
- 89. So we have a lot of hardware But ... “VR is mainly a software problem” Jaron Lanier
- 90. So we have a lot of hardware But ... “VR is mainly a software problem” Jaron Lanier “3D user interaction is a hard and unexplored software engineering and ergonomic problem”
- 91. So we have a lot of hardware But ... “VR is mainly a software problem” Jaron Lanier “3D user interaction is a hard and unexplored software engineering and ergonomic problem” Chad Wingrave - University of Central Florida
- 92. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 93. To create and maintain presence, you, the author, need to ...
- 94. To create and maintain presence, you, the author, need to ... • Build hardware
- 95. To create and maintain presence, you, the author, need to ... • Build hardware • Build software
- 96. To create and maintain presence, you, the author, need to ... • Build hardware • Build software
- 97. To create and maintain presence, you, the author, need to ... • Build hardware • Build software • Build user experience
- 98. To create and maintain presence, you, the author, need to ... • Build hardware • Build software • Build user experience
- 99. The need for better VR software tools
- 100. The need for better VR software tools • Hardware getting cheaper
- 101. The need for better VR software tools • Hardware getting cheaper • But engineers are not getting cheaper
- 102. The need for better VR software tools • Hardware getting cheaper • But engineers are not getting cheaper • Need to be more efficient and spend less time creating apps
- 103. The need for better VR software tools • Hardware getting cheaper • But engineers are not getting cheaper • Need to be more efficient and spend less time creating apps • Democratization
- 104. The need for better VR software tools • Hardware getting cheaper • But engineers are not getting cheaper • Need to be more efficient and spend less time creating apps • Democratization • VR developers are not all engineers anymore
- 105. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 106. • What is MiddleVR ? • Birth • Goals • Quick tour • Guiding principles • Design
- 107. Adding VR
- 108. Adding VR
- 109. Adding VR
- 110. Adding VR
- 111. Adding VR
- 112. Adding VR
- 114. Architecture
- 116. Architecture MiddleVR (C++) Drivers
- 117. Architecture MiddleVR (C++) Drivers OpenGL
- 118. Architecture MiddleVR (C++) Drivers OpenGL DirectX
- 119. Architecture MiddleVR (C++) Drivers OpenGL DirectX Network
- 120. Architecture C# Wrapper MiddleVR (C++) Drivers OpenGL DirectX Network
- 121. Architecture GUI C# Wrapper MiddleVR (C++) Drivers OpenGL DirectX Network
- 122. Architecture GUI Unity C# Wrapper MiddleVR (C++) Drivers OpenGL DirectX Network
- 123. Architecture GUI Unity C# Wrapper Lua Wrapper MiddleVR (C++) Drivers OpenGL DirectX Network
- 124. Architecture GUI Unity Python C# Wrapper Lua Wrapper Wrapper MiddleVR (C++) Drivers OpenGL DirectX Network
- 125. Birth / Reason
- 126. Wanted to use best tools in VR
- 128. Goals
- 130. Goals • Simplifying VR • Accelerate development of VR applications
- 131. Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployement of VR applications
- 132. Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployement of VR applications • Create new VR tools
- 133. Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployement of VR applications • Create new VR tools • Adapt existing 3D applications
- 134. Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployement of VR applications • Create new VR tools • Adapt existing 3D applications • (Prototype VR systems)
- 135. • What is MiddleVR ? • Birth • Goals • Quick tour • Guiding principles • Design
- 136. Simply configure your system
- 137. Viewports management
- 140. Guiding principles
- 143. Simplicity
- 144. Simplicity “Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away”
- 145. Simplicity “Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away” Antoine de St Exupery
- 146. Simplicity
- 147. Simplicity
- 148. Simplicity “Simplicity is the ultimate sophistication”
- 149. Simplicity “Simplicity is the ultimate sophistication” DaVinci
- 150. Simplicity “Simplicity is the ultimate sophistication” DaVinci
- 151. Simplicity “Simplicity is the ultimate sophistication” DaVinci Need to work hard to make things simple
- 152. Empathy
- 153. Empathy “The ability to understand and share the feelings of another.”
- 154. Empathy “The ability to understand and share the feelings of another.”
- 155. Empathy “The ability to understand and share the feelings of another.” Test with users
- 156. Design • Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployment of VR applications • Create new VR tools • Adapt existing 3D applications
- 157. Design • Goals • Simplifying VR • Accelerate development of VR applications • Simplicity of integrating VR into application • High-level tools • Interactions: Selection, Manipulation, Navigation • Simplicity of programming interface • Accelerate deployment of VR applications • Create new VR tools • Adapt existing 3D applications
- 158. MiddleVR
- 159. Design • Goals • Simplifying VR • Accelerate development of VR applications • Accelerate deployment of VR applications • GUI to configure VR systems • Dynamic reconfiguration of application • Ship with standard configurations • Abstractions • Create new VR tools • Adapt existing 3D applications
- 160. Abstractions for portability • Devices • User
- 161. Device abstraction Driver 1 Virtual Device Application
- 162. Device abstraction Driver 1 Driver 2 Virtual Device Application
- 163. Device abstraction Driver 1 Driver 2 Virtual Device Application Driver 3
- 164. Device abstraction Driver 1 Driver 2 Virtual Device Application Driver 3 Network
- 165. User abstraction
- 166. User abstraction
- 167. User abstraction Virtual Device 1 Virtual Device 2 Node 3D Application Virtual Device 3
- 168. Design • Create new VR tools • Adapt existing 3D applications • Genericity • C++ • Simple but complete
- 169. 30 days free trial http://www.imin-vr.com/download
- 170. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience
- 171. Improving the user’s experience
- 172. Improving the user’s experience
- 173. Improving the user’s experience • Improve cognitive presence
- 174. Improving the user’s experience • Improve cognitive presence • Make sure world is plausible, coherent
- 175. Improving the user’s experience • Improve cognitive presence • Make sure world is plausible, coherent • Improve 3D user interactions
- 176. Improving the user’s experience
- 177. Improving the user’s experience • Improve perceptive presence
- 178. Improving the user’s experience • Improve perceptive presence • Fooling your senses
- 179. Improving the user’s experience • Improve perceptive presence • Fooling your senses • Know how senses work individually
- 180. Improving the user’s experience • Improve perceptive presence • Fooling your senses • Know how senses work individually • Know how senses work together
- 181. Improving the user’s experience • Improve perceptive presence • Fooling your senses • Know how senses work individually • Know how senses work together • Know how attention modifies perception
- 182. know how senses work individually
- 183. know how senses work individually
- 184. know how senses work individually
- 185. know how senses work individually
- 186. MP3
- 187. MP3 • Algorithm for sound compression
- 188. MP3 • Algorithm for sound compression • “Reducing accuracy of (...) sounds that are (...) beyond the auditory resolution ability of most people.” -- Wikipedia
- 189. How senses work together
- 190. How senses work together Redirected walking
- 191. How senses work together Redirected walking (c) Franck Steinicke - Wurzburg University
- 197. Senses dominated by vision
- 198. Senses dominated by vision
- 199. Follow the coin
- 200. Did you notice the Green pepper ?
- 201. Did you notice the Green pepper ?
- 202. Perceptive Illusions Change Blindess (c) Evan Suma - USCT/ICT
- 203. MP3 for reality ?
- 204. MP3 for reality ?
- 205. MP3 for reality ? • Cheaper VR systems
- 206. MP3 for reality ? • Cheaper VR systems • More computer resources
- 207. MP3 for reality ? • Cheaper VR systems • More computer resources • for shaders, physics, sound etc.
- 208. MP3 for reality ? • Cheaper VR systems • More computer resources • for shaders, physics, sound etc. • Everybody designing VR app should know about those rules !
- 209. MP3 for reality ? • Cheaper VR systems • More computer resources • for shaders, physics, sound etc. • Everybody designing VR app should know about those rules ! • Need to know the system you are working with
- 210. MP3 for reality ? • Need more research • VR Knowledge Base • http://knowledgebase.cs.vt.edu
- 211. Plan • Introduction • (My) definition of VR • Trends in system design • Improving the authors’ experience • MiddleVR • Improving the users’ experience • Conclusion
- 212. Messages
- 214. Messages • Your homework • Measure
- 215. Messages • Your homework • Measure • Latency, Angular resolution, Tracking, Field of regard, Framerate
- 216. Messages • Your homework • Measure • Latency, Angular resolution, Tracking, Field of regard, Framerate • Try MiddleVR
- 217. Messages • Your homework • Measure • Latency, Angular resolution, Tracking, Field of regard, Framerate • Try MiddleVR • Learn about perception
- 219. Make great experiences !
- 220. Thank you ! Questions ? Sebastien.Kuntz@imin-vr.com www.imin-vr.com