1. Mediated Tabletop Interaction In The Biology Lab Exploring the Design Space of the Rabbit Ubicomp 2011 – Beijing, China – September 21, 2011 Juan David Hincapié- Ramos Aurélien Tabard Jakob E. Bardram

4. Related Work Static Means –Shape and Color –Fiducial and Magnetic Markers Active Means –Dynamic properties –Anoto-based –IR LED diodes –Bluetooth + Blinking Displays RFID-based –Triangulation –Reader Matrixes –Reader on Object –Frame Difference Algebra X Y Tube ID Orientation

6. The racks are always holding the tubes.

7. The Rabbit

8. Augmenting the Rack

9. Rabbit Schematics Tagged TubesTop ViewBottom View

10. Coding Approach Reference Bits Byte 1 Byte 2 Byte 3 Byte 4 Checksum Bits Action Bits Unassigned Bits

11. Mediated Tabletop Interaction RFID Barcodes QR codes iButton LED matrix LCD display USB Bluetooth ZigBee WiFi

13. Technology Exploration Participatory Design Workshop – 6 participants Focus Group – 12 participants

14. Technology Exploration Mediator mockup probes 6 participants, 32 pictures Grounded Theory inspired processing 6 categories and 44 tags

15. Design Space Mediator Design Object – Mediator – Surface Integration Device environment Categories:

16. Mediator design Capacity Embeddednes s Form Factor

17. Object+Mediator+Surface Integration Reference Information Source Output Space

18. Device Integration Surface Coupling Ecology

19. Conclusion We introduced the concept of Mediated Tabletop Interaction We built a prototype illustrating the concept We described its design space We are looking for new occurrences of it Demo