Number of co-authors:14
Number of publications with 3 favourite co-authors:Marcin Poturalski:Nan Tu:Shelly Farnham:
David Vronay's 3 most productive colleagues in number of publications:Takeo Igarashi:66Xiang Cao:31Steven M. Drucker:26
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Publications by David Vronay (bibliography)
Cao, Xiang, Ofek, Eyal and Vronay, David (2005): Evaluation of alternative presentation control techniques. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 1248-1251. Available online
Although slideshow presentation applications, such as PowerPoint have been popular for years, the techniques commercially available to control them rely on mouse and keyboard, which can be restrictive for the presenters. We evaluated two representative alternative designs of presentation control techniques - Bare Hand and Laser Pointer, through a Wizard-of-Oz user study. The result showed that Bare Hand was better than Laser Pointer and Standard (mouse/keyboard) control in terms of acceptance and preference from both presenters and audience. We also proposed design directions based on user feedback.
© All rights reserved Cao et al. and/or ACM Press
Kurihara, Kazutaka, Vronay, David and Igarashi, Takeo (2005): Flexible timeline user interface using constraints. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 1581-1584. Available online
Authoring tools routinely include a timeline representation to allow the author to specify the sequence of animations and interactions. However, traditional static timelines are best suited for static, linear sequences (such MIDI sequencers) and do not lend themselves to interactive content. This forces authors to supplement their timelines with scripted actions which are not represented. Timelines also force frame-accuracy on the author, which interferes with rapid exploration of different designs. We present a redesign of the timeline in which users can specify the relative ordering and causality of events without specifying exact times or durations. This effectively enables users to "work rough" in time. We then implement a prototype and perform a user study to investigate its efficiency.
© All rights reserved Kurihara et al. and/or ACM Press
Zhang, Leizhong, Tu, Nan and Vronay, David (2005): Info-lotus: a peripheral visualization for email notification. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 1901-1904. Available online
We designed a peripheral notification visualization called "Info-Lotus". The Info-Lotus is an aesthetically pleasing visualization that offers users a "glance-able" overview of incoming emails of interest in a non-disruptive manner. The goal is to strike a balance among three critical parameters: interruption, reaction, and comprehension. We first present the design of the Info-Lotus. We then discuss the usability study that compares the "toast" notification in Microsoft Office Outlook with the Info-Lotus. Finally, we present a redesign for an improved Info-Lotus, based on the feedbacks of the user study.
© All rights reserved Zhang et al. and/or ACM Press
Wang, Shuo, Poturalski, Marcin and Vronay, David (2005): Designing a generalized 3D carousel view. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 2017-2020. Available online
In this paper we describe a 3D carousel view design. We take the basic carousel model and elaborate it to hold an arbitrary number of items in an efficient manner. We equip this model with various interaction methods and a novel component: the termination marker. We also explore more detailed design issues, like animation, by implementing a prototype. We report essential user feedback and how it affected our design.
© All rights reserved Wang et al. and/or ACM Press
Vronay, David and Wang, Shuo (2004): Designing a compelling user interface for morphing. In: Dykstra-Erickson, Elizabeth and Tscheligi, Manfred (eds.) Proceedings of ACM CHI 2004 Conference on Human Factors in Computing Systems April 24-29, 2004, Vienna, Austria. pp. 143-149. Available online
We present a new user interface for the common morphing tool found in animation packages. Previously this interface has been based on the features of the underlying algorithm, with little regard to how artists actually use this feature. By careful design and analysis of a user study, we were able to design a novel user interface that greatly enhances the usability of the morphing tool for animation. Our improvements come in three areas: First, we replicate the artists' own ad-hoc annotation language and interaction techniques in the user interface. Second, we make the user experience more fluid and editable, to support exploration and iteration. Finally, we use the artists' morph expectations to redesign the morph algorithm itself to be more predictable. We conclude by discussing how our user study technique could help other interface design tasks.
© All rights reserved Vronay and Wang and/or ACM Press
Farnham, Shelly, Portnoy, Will, Turski, Andrzej, Cheng, Lili and Vronay, David (2003): Personal Map: Automatically Modeling the User's Online Social Network. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 567.
Vronay, David, Smith, Marc A. and Drucker, Steven M. (1999): Alternative Interfaces for Chat. In: Zanden, Brad Vander and Marks, Joe (eds.) Proceedings of the 12th annual ACM symposium on User interface software and technology November 07 - 10, 1999, Asheville, North Carolina, United States. pp. 19-26. Available online
We describe some common problems experienced by users of computer-based text chat, and show how many of these problems relate to the loss of timing-specific information. We suggest that thinking of chat as a real-time streaming media data type, with status and channel indicators, might solve some of these problems. We then present a number of alternative chat interfaces along with results from user studies comparing and contrasting them both with each other and with the standard chat interface. These studies show some potential, but indicate that more work needs to be done.
© All rights reserved Vronay et al. and/or ACM Press
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