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Sean Gustafson

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Sean Gustafson

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Publications by Sean Gustafson (bibliography)

» 2009 «

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Rahman, Mahfuz, Gustafson, Sean, Irani, Pourang and Subramanian, Sriram (2009): Tilt techniques: investigating the dexterity of wrist-based input. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 1943-1952. Available online

“Most studies on tilt based interaction can be classified as point-designs that demonstrate the utility of wrist-tilt as an input medium; tilt parameters are tailored to suit the specific interaction at hand. In this paper, we systematically analyze the design space of wrist-based interactions and focus on the level of control possible with the wrist. In a first study, we investigate the various factors that can influence tilt control, separately along the three axes of wrist movement: flexion/extension, pronation/supination, and ulnar/radial deviation. Results show that users can control comfortably at least 16 levels on the pronation/supination axis and that using a quadratic mapping function for discretization of tilt space significantly improves user performance across all tilt axes. We discuss the findings of our results in the context of several interaction techniques and identify several general design recommendations.”

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» 2008 «

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Gustafson, Sean, Baudisch, Patrick, Gutwin, Carl and Irani, Pourang (2008): Wedge: clutter-free visualization of off-screen locations. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 787-796. Available online

“To overcome display limitations of small-screen devices, researchers have proposed techniques that point users to objects located off-screen. Arrow-based techniques such as City Lights convey only direction. Halo conveys direction and distance, but is susceptible to clutter resulting from overlapping halos. We present Wedge, a visualization technique that conveys direction and distance, yet avoids overlap and clutter. Wedge represents each off-screen location using an acute isosceles triangle: the tip coincides with the off-screen locations, and the two corners are located on-screen. A wedge conveys location awareness primarily by means of its two legs pointing towards the target. Wedges avoid overlap programmatically by repelling each other, causing them to rotate until overlap is resolved. As a result, wedges can be applied to numbers and configurations of targets that would lead to clutter if visualized using halos. We report on a user study comparing Wedge and Halo for three off-screen tasks. Participants were significantly more accurate when using Wedge than when using Halo.”

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Shi, Kang, Irani, Pourang, Gustafson, Sean and Subramanian, Sriram (2008): PressureFish: a method to improve control of discrete pressure-based input. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 1295-1298. Available online

“Studies investigating user control of pressure input have reported”

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Hui, Bowen, Gustafson, Sean, Irani, Pourang and Boutilier, Craig (2008): The need for an interaction cost model in adaptive interfaces. In: Levialdi, Stefano (ed.) AVI 2008 - Proceedings of the working conference on Advanced Visual Interfaces May 28-30, 2008, Napoli, Italy. pp. 458-461. Available online

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Changes to this page (author)

20 Feb 2010: Enabled abstracts to be shown on Sean Gustafson's author page.
17 Jun 2009: Author was edited

09 May 2009: Author was edited
12 May 2008: Author was added to the bibliography
12 May 2008: Author was edited

Publication statistics

Publication period:2008-2009
Publication count:4
Number of co-authors:8

Productive colleagues

Sean Gustafson's 3 most productive colleagues in number of publications:

Carl Gutwin:87
Patrick Baudisch:40
Sriram Subramanian:33

Collaboration count

Number of publications with 3 favourite co-authors:

Pourang Irani:4
Sriram Subramanian:2
Bowen Hui:1

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Learn more about Sean Gustafson:
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Conference Calendar

Mar 21

WritersUA Conf. for Software User Assistance

Mar 22

UX People

Mar 22

ETRA '10 - Eye Tracking Research & Applications Symp.

Mar 20

“ Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context. ”

-- Floyd, 1992, p. 24 ”

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Eva Hornecker on Tangible Interaction

Eva Hornecker explains the evolving concept of Tangible Interaction.

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Sean Gustafson

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Eva Hornecker on Tangible Interaction

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