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inter ACTIVE graffiti

inter ACTIVE graffiti. Don't say it Spray it!!. inter ACTIVE graffiti. Group 4. Ubiquitous Computing Fall of 2007. Mikael Rosenqvist Olof GOranson. Lina Westerling Min Juan Wang Sagun Dhakwa. Birth of the Idea.

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inter ACTIVE graffiti

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  1. interACTIVE graffiti Don't say it Spray it!!

  2. interACTIVE graffiti Group 4 Ubiquitous Computing Fall of 2007 Mikael Rosenqvist Olof GOranson Lina Westerling Min Juan Wang Sagun Dhakwa

  3. Birth of the Idea Bootlegging brainstorming categories “waiting, youngster, leave message, cell phone, writing, talking” Graffiti on the pond at Järntorget Draw things with your finger on glass with mist Introduction Concept Prototype Process The end

  4. Why we chose the idea Strong UbiComp character Most fun to implement We had the technical knowledge to implement it Introduction Concept Prototype Process The end

  5. What? Draw digital graffiti Bus shelter Digital spray can Introduction Concept Prototype Process The end

  6. How? • ACTIVE person • Spray like as if it was a real spray can • Different colors in one and the same can • Pace sensitive - e.g. hold can still - the paint starts dripping • ACTIVE graffiti • Temporal dimension - the art fades away with time • No permanent mark - no need for cleaning-up Introduction Concept Prototype Process The end

  7. Why? Time killer For ordinary people New way of expressing creativity Legal variant of graffiti How will it be used? We don’t know! Introduction Concept Prototype Process The end

  8. The Video At YouTube http://www.youtube.com/watch?v=i3QNv-FWLas or At interACTIVE graffiti homepage http://web.student.chalmers.se/groups/uc07-4/video.html Introduction Concept Prototype Process The end

  9. The Physical prototype • Physical part • Bus shelter • Spray can • Web cam • Computer • Projector • Tried to get the feeling of a real bus stop Introduction Concept Prototype Process The end

  10. The software prototype Motion Tracking Scalable Vector Graphics Draw Tool Java Introduction Concept Prototype Process The end

  11. Object tracking Use of Color Tracking Why not blob Tracking Introduction Concept Prototype Process The end

  12. Scalable Vector Graphics (SVG) W3C Standard XML based technology Apache batik Library Some animation for fading effect Supports any size of display Introduction Concept Prototype Process The end

  13. The Drawing tool Drawing Animation Introduction Concept Prototype Process The end

  14. Important Design Decisions No graphical interface - should melt into the shelter How to start and stop drawing - the can Can on site or lease or buy from Västtrafik? Fading rate and clutter Introduction Concept Prototype Process The end

  15. Lessons Learnt Clear description of the concept early in the process - less communication problems Motion tracking is not as easy to do as we first thought Introduction Concept Prototype Process The end

  16. The end Introduction Concept Prototype Process The end

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