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The Build-It Story

The Build-It Story. Prof. dr. Matthias Rauterberg Faculty Industrial Design TU/e Eindhoven University of Technology . The Digital Desk from Pierre Wellner in 1991.

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The Build-It Story

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  1. The Build-It Story Prof. dr. Matthias Rauterberg Faculty Industrial Design TU/e Eindhoven University of Technology

  2. The Digital Desk from Pierre Wellner in 1991 The DigitalDesk is built around an ordinary physical desk and can be used as such, but it has extra capabilities. A video camera is mounted above the desk, pointing down at the work surface. This camera's output is fed through a system that can detect where the user is pointing (using an LED-tipped pen) and it can recognise the documents that are placed on it. The more advanced version also has a computer-driven projector mounted above the desk enabling electronic objects to be projected onto real paper documents -- removing the burden of having to switch attention between screen and paper and allowing additional user-interaction techniques. [invented and built by Pierre Wellner, Xerox EuroPARC] Pierre Wellner Video clip

  3. What is design relevant knowledge? • Perception Space • The physical space where the user’s attention is. • Action Space • The physical space where the user acts in. • Design Principle: • perception space and action space must coincide!

  4. Airline Applications • This remarkable ultra-lightweight computer, worn as a belt, delivers maximum information to users with a minimum of work. • Designed for individuals who demand mobility, this computer offers voice control and heads up display for complete, hands-free operation. • Users can enter or retrieve information while going about their jobs, instead of constantly returning to the shop area to check a stationary computer, or stopping work to punch keys.

  5. Head-up Displays in Cars • More information and less distractionInformation on the state of the road, on the speed of the vehicle in front (supplied by the intelligent cruise control), on obstacles lying around the next bend in the road identified by the remote detection system, or direction arrows sent by the driver guidance system... drivers will be receiving more and more information from "intelligent" vehicle systems.

  6. Natural User Interfaces (NUI) 1. design requirement No technical equipment inside the body space of the user! 2. design requirement Perception space and action space must coincide!

  7. NUI: The First Round Design principle Field test Digital Playing Desk

  8. Command Interface (CI) Video clip

  9. Mouse Interface (MI) Video clip

  10. Touch-screen Interface (TI) Video clip

  11. Digital Playing Desk (DPD) Video clip

  12. User Studies with the DPD Video clip

  13. 500 Cell Line Chart for "playing time" Grouping Variable(s): Interface type 450 Error Bars: ± 1 Standard Deviation(s) 400 350 300 250 200 Cell Mean for time of user (s) 150 100 50 0 CI MI TI DPD P<.001 P<.01 P<.001 P<.001 P<.001 P<.001 Empirical Results: Playing time per game

  14. user win Cell Line Chart for "winning chance" Grouping Variable(s): Interface type Error Bars: ± 1 Standard Deviation(s) remis computer win CI MI TI DPD P<.020 P<.080 P<.001 P<.802 P<.001 P<.007 Empirical Results : winning chance per dialog technique

  15. GUI versus NUI interaction models INPUT / OUTPUT INPUT OUTPUT physical graspable representation Non graspable representation control digital control view model model

  16. NUI: The Second Round Design principle Experiments Build-It systems

  17. The Build-It Systemfrom M. Bichsel, M. Fjeld & M. Rauterberg 1997 Video clip

  18. 18th Century: tool production The Build-It Tools

  19. CeBIT ‘98 Past and Future Developments • Patent pending • Spin-off company TELLWARE founded in October 1997 • First brick-based planning systems on the market since 1998 • Winner of the Swiss Technology Award 1998

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