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X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

Fraunhofer Foundation Mission: “Application oriented research for industry and advantage of our society “ Figures 2007 62 Institutes 13 600 Employees 1.3 Billion € Budget 2/3 research projects for industry 1/3 public funding Institute for Computer Graphics, Darmstadt 120 Employees

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X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

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  1. Fraunhofer Foundation • Mission: “Application oriented research for industry and advantage of our society “ • Figures 2007 • 62 Institutes • 13 600 Employees • 1.3 Billion € Budget • 2/3 research projects for industry • 1/3 public funding • Institute for Computer Graphics, Darmstadt • 120 Employees • 20 Employees in VR/AR Group X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  2. 15 Years of research in VR/AR • 1st Generation • 1992 start of VR-Activities • 2nd Generation • 1994 1st Fraunhofer VR System • 1994 First 5 sided CAVE in Germany • 1995 Founding VR-Spinoff: VR-COM • 3rd Generation • 2000 OpenSG (LGPL Scene Graph) • 2002 Avalon VR System (X3D based) • 2005 InstantReality VR/AR Middleware • 2008 HEyeWall 2.0 ( 35 Billion Pixel) X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  3. Increasing need for a flexible runtime environment • Scalability is key requirement • Application BehaviorFrom Walkthrough to complex non-linear storytelling/game environments • Interaction and NavigationFrom stateless single device => Sensor-Fusion Systems with complex device setups • Image synthesis/RenderingFrom PDA to Multi-Screen/CPU/GPU-Cluster X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  4. There is no Standard for VR/AR applications and runtime systems • X3D ISO Standard, describes an abstract functional behavior and time-based interactive 3D environment • Multi-parent Scenegraph • Behavior-graph • Runtime System • IO Device Independent • High level interaction • Portable • Xml/classic/binary encodings X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  5. X3D utilized as basis for an VR/AR application description language • Solid ISO foundation • Extensibility leaves room for VR/AR extensions and research • Immersive interaction • Distributed rendering • Mixed Reality X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  6. “Beyond the Desktop” Interaction • Low-level data-stream sensors for direct data access (e.g. 6D tracker, images). • X3D PointingSensor in Immersive Environments • UserBody nodes/states trigger PS • UserBody nodes transform rays and collision obj. • Multi-UserBody-nodes lead to multi-hand/user • Additional unrestricted 6D PS-extension • Navigation Framework • Works seamless with X3D Bindable concept • Allows flexible method prototyping (e.g. go-go) X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  7. Distributed Rendering • Sort-first and Sort-last support • Dynamic load distribution • Fully automatic method • 2x to 5x performance increase with typical CAD data • Scales almost linear with GPU/CPU Boxes X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  8. Mixed Reality Lighting • Real-time global illumination using Precomputed radiance transfer • Updates shading form video-stream in real-time • Details in Web3D 07/08 paper • Live-demos at the Web3D-booth X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

  9. Resources • a4www.igd.fraunhofer.de • www.instantreality.org • Beta5 release • 30 Device Handler • Distributed Rendering/IO • IO-Handler-SDK • Windows/Mac/Linux • www.opensg.org • LGPL source • Rendering X3D: Real Time 3D Solution for the web Web3D Tech Talk – SIGGRAPH 2008

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