Number of co-authors:11
Number of publications with 3 favourite co-authors:Ivan Poupyrev:Ali Israr:Chris Harrison:
Olivier Bau's 3 most productive colleagues in number of publications:Hiroshi Ishii:111Wendy E. Mackay:61Ivan Poupyrev:37
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Publications by Olivier Bau (bibliography)
Xu, Cheng, Israr, Ali, Poupyrev, Ivan, Bau, Olivier and Harrison, Chris (2011): Tactile display for the visually impaired using TeslaTouch. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 317-322. Available online
TeslaTouch is a technology that provides tactile sensation to moving fingers on touch screens. Based on TeslaTouch, we have developed applications for the visually impaired to interpret and create 2D tactile information. In this paper, we demonstrate these applications, present observations from the interaction, and discuss TeslaTouch's potential in supporting communication among visually impaired individuals.
© All rights reserved Xu et al. and/or their publisher
Appert, Caroline and Bau, Olivier (2010): Scale detection for a priori gesture recognition. In: Proceedings of ACM CHI 2010 Conference on Human Factors in Computing Systems 2010. pp. 879-882. Available online
Gesture-based interfaces provide expert users with an efficient form of interaction but they require a learning effort for novice users. To address this problem, some on-line guiding techniques display all available gestures in response to partial input. However, partial input recognition algorithms are scale dependent while most gesture recognizers support scale independence (i.e., the same shape at different scales actually invokes the same command). We propose an algorithm for estimating the scale of any partial input in the context of a gesture recognition system and illustrate how it can be used to improve users' experience with gesture-based systems.
© All rights reserved Appert and Bau and/or their publisher
Bau, Olivier, Poupyrev, Ivan, Israr, Ali and Harrison, Chris (2010): TeslaTouch: electrovibration for touch surfaces. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 283-292. Available online
We present a new technology for enhancing touch interfaces with tactile feedback. The proposed technology is based on the electrovibration principle, does not use any moving parts and provides a wide range of tactile feedback sensations to fingers moving across a touch surface. When combined with an interactive display and touch input, it enables the design of a wide variety of interfaces that allow the user to feel virtual elements through touch. We present the principles of operation and an implementation of the technology. We also report the results of three controlled psychophysical experiments and a subjective user evaluation that describe and characterize users' perception of this technology. We conclude with an exploration of the design space of tactile touch screens using two comparable setups, one based on electrovibration and another on mechanical vibrotactile actuation.
© All rights reserved Bau et al. and/or their publisher
Bau, Olivier, Petrevski, Uros and Mackay, Wendy E. (2009): BubbleWrap: a textile-based electromagnetic haptic display. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 3607-3612. Available online
We are investigating actuators that are able to provide different types of haptic sensations and that can be wrapped around a wide range of surfaces and objects. Our first prototype, BubbleWrap, consists of a matrix of electromagnetic actuators, enclosed in fabric, with individually controllable cells that expand and contract. It provides both active haptic feedback, using vibration, as well passive haptic feedback, using shape and firmness. An initial experiment demonstrated that users could reliably discriminate among the three firmness levels displayed on our prototype.
© All rights reserved Bau et al. and/or ACM Press
Zigelbaum, Jamie, Browning, Alan, Leithinger, Daniel, Bau, Olivier and Ishii, Hiroshi (2009): g-stalt: a chirocentric, spatiotemporal, and telekinetic gestural interface. In: Proceedings of the 4th International Conference on Tangible and Embedded Interaction 2009. pp. 261-264. Available online
In this paper we present g-stalt, a gestural interface for interacting with video. g-stalt is built upon the g-speak spatial operating environment (SOE) from Oblong Industries. The version of g-stalt presented here is realized as a three-dimensional graphical space filled with over 60 cartoons. These cartoons can be viewed and rearranged along with their metadata using a specialized gesture set. g-stalt is designed to be chirocentric, spatiotemporal, and telekinetic.
© All rights reserved Zigelbaum et al. and/or their publisher
Bau, Olivier and Mackay, Wendy E. (2008): OctoPocus: a dynamic guide for learning gesture-based command sets. In: Cousins, Steve B. and Beaudouin-Lafon, Michel (eds.) Proceedings of the 21st Annual ACM Symposium on User Interface Software and Technology October 19-22, 2008, Monterey, CA, USA. pp. 37-46. Available online
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