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Frederic Giraud


Publications by Frederic Giraud (bibliography)

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Casiez, Gry, Roussel, Nicolas, Vanbelleghem, Romuald and Giraud, Frederic (2011): Surfpad: riding towards targets on a squeeze film effect. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 2491-2500. http://dx.doi.org/10.1145/1978942.1979307

We present Surfpad, a pointing facilitation technique that does not decrease target distance or increase target width in either control or display space. This new technique operates instead in the tactile domain by taking advantage of the ability to alter a touchpad's coefficient of friction by means of a squeeze film effect. We report on three experiments comparing Surfpad to the Semantic Pointing technique and constant control-display gain with and without distractor targets. Our results clearly show the limits of traditional target-aware control-display gain adaptation in the latter case, and the benefits of our tactile approach in both cases. Surfpad leads to a performance improvement close to 9% compared to unassisted pointing at small targets with no distractor. It is also robust to high distractor densities, keeping an average performance improvement of nearly 10% while Semantic Pointing can

© All rights reserved Casiez et al. and/or their publisher

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Amberg, Michel, Giraud, Frederic, Semail, Betty, Olivo, Paolo, Casiez, Gry and Roussel, Nicolas (2011): STIMTAC: a tactile input device with programmable friction. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 7-8. http://dx.doi.org/10.1145/2046396.2046401

We present the STIMTAC, a touchpad device that supports friction reduction. Contrary to traditional vibrotactile approaches, the STIMTAC provides information passively, acting as a texture display. It does not transfer energy to the user but modifies how energy is dissipated within the contact area by a user-initiated friction process. We report on the iterative process that led to the current hardware design and briefly describe the software framework that we are developing to illustrate its potential.

© All rights reserved Amberg et al. and/or ACM Press

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Biet, Melisande, Boulon, Loic, Martinot, Francois, Giraud, Frederic and Lemaire-Semail, Betty (2007): Using an Ultrasonic Transducer: Evidence for an Anisotropic Deprivation of Frictional Cues in Microtexture Perception. In: WHC 2007 - Second Joint EuroHaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems 22-24 March, 2007, Tsukuba, Japan. pp. 385-390. http://doi.ieeecomputersociety.org/10.1109/WHC.2007.123

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