stanford hci group cs 147 Ubiquitous Computing Natural

stanford hci group / cs 147 Ubiquitous Computing & “Natural” Interaction Scott Klemmer tas: Marcello Bastea-Forte, Joel Brandt, Neil Patel, Leslie Wu, Mike Cammarano 27 November 2007 http: //cs 147. stanford. edu

Myth of the Paperless Office Source: Sellen, Abigail and Harper, Richard. The Myth of the Paperless Office. MIT Press, 2003.

Reality of Ubicomp : many computers person! Source: Weiser, Mark. Nomadic Issues in Ubiquitous Computing, Xerox PARC, 1998

Computers at many levels of scale PARCTAB (inch) PARCPAD / m. PAD (foot) Source: Want, Roy, Ten Lessons Learned about Ubiquitous Computing, Intel, 2000. Liveboard (yard)

What makes ubicomp design different (harder)? Key differences Multiple form factors (inch/foot/yard) Network connectivity “Context” awareness Interface modalities Naïve “computerization” does not work!

Styles of design within ubicomp Mobile Ambient Augmented Tangible Multi-device / Device Ensembles Pen Computing Speech Interfaces

How to approach Ubicomp design User centered design especially important The design of everyday things approach The coming age of calm technology Embodied virtuality Source: Norman, Don. The Design of Everyday Things. Weiser, Mark and Brown, John. “The Coming Age of Calm Technology”, Xerox PARC, 1996. Weiser, Mark. “The Computer for the 21 st Century. ” Scientific American, 1994.

More on Embodied Virtuality Virtual Reality Source: Weiser, Mark. http: //www. ubiq. com/ Embodied Virtuality (ubiquitous computing)

Examples dealing with Ubicomp design issues : calm computing Source: Ambient Devices, http: //www. ambientdevices. com/

Examples dealing with Ubicomp design issues : pen DENIM Source: Mark W. Newman, James Lin, Jason I. Hong, and James A. Landay, "DENIM: An Informal Web Site Design Tool Inspired by Observations of Practice. " In Human-Computer Interaction, 2003. 18(3): pp. 259 -324.

Examples dealing with Ubicomp design issues : wall Designer’s Outpost Source: Scott R. Klemmer, Mark W. Newman, Ryan Farrell, Mark Bilezikjian, James A. Landay, The Designers Outpost: A Tangible Interface for Collaborative Web Site Design. CHI Letters, The 14 th Annual ACM Symposium on User Interface Software and Technology: UIST 2001. 3(2) p. 1 -10.

Design considerations vary depending on scale Inch Every pixel counts Detail + Overview Context Aware … Foot Action at point of input Error handling and disambiguation Reduce requirement for recognition … Yard Fluid interaction Freeform input Reduce requirement for recognition …

Additional Ubicomp design considerations Context (e. g. , location in the real world) Spatial or temporal multiplexed input Capture and access Privacy

Eye to the Future: Millimeter (<<inch) Sensors / Computing Smart Dust Source: Pister, Kris, et. al. Smart Dust. UC Berkeley.

Midterm

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