Mediated Tabletop Interaction

In The Biology LabExploring the Design Space of the Rabbit

Ubicomp 2011 – Beijing, China – September 21, 2011

Juan David Hincapié-RamosAurélien TabardJakob E. Bardram

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

The racks are always holding

the tubes.

The Rabbit

Augmenting the Rack

Rabbit Schematics

Tagged Tubes Top View Bottom View

Coding ApproachReference BitsByte 1Byte 2Byte 3

Byte 4Checksum BitsAction BitsUnassigned Bits

Mediated Tabletop Interaction

RFIDBarcodes

QR codes

iButton

LED matrixLCD display

USBBluetooth

ZigBeeWiFi

Technology Exploration

• Participatory Design Workshop – 6 participants

• Focus Group – 12 participants

Technology Exploration• Mediator mockup probes

• 6 participants, 32 pictures • Grounded Theory inspired processing• 6 categories and 44 tags

Design Space

Mediator DesignObject – Mediator – Surface IntegrationDevice environment

Categories:

Mediator design

Capacity

Embeddedness

Form Factor

Object+Mediator+Surface Integration

Reference

Information Source

Output Space

Device Integration

Surface Coupling

Ecology

Conclusion

We introduced the concept of Mediated

Tabletop InteractionWe built a prototype illustrating the conceptWe described its design space

We are looking for new occurrences of it

Demo