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Benoit Bossavit


Publications by Benoit Bossavit (bibliography)

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Marzo, Asier, Bossavit, Benoit and Ardaiz, Oscar (2012): Interacting with multi-touch handheld devices in augmented reality spaces: effects of marker and screen size. In: Proceedings of the 13th International Conference on Interacción Persona-Ordenador 2012. p. 8. Available online

During the last years popularity of Augmented Reality (AR) has grown considerably. Nowadays most people have handheld devices equipped with camera, a variety of sensors and high computational power capable of rendering graphics previously only available on desktop computers. Such devices have replaced buttons with multi-touch screens as their main input system. In this paper we design and implement a technique for multi-touch handheld devices to manipulate objects in three-dimensional spaces. By mean of three experiments we studied the effect of workspace and device size on the performance.

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

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Hachet, Martin, Bossavit, Benoit, Coh, Aurlie and Rivire, Jean-Baptiste de la (2011): Toucheo: multitouch and stereo combined in a seamless workspace. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 587-592. Available online

We propose a new system that efficiently combines direct multitouch interaction with co-located 3D stereoscopic visualization. In our approach, users benefit from well-known 2D metaphors and widgets displayed on a monoscopic touchscreen, while visualizing occlusion-free 3D objects floating above the surface at an optically correct distance. Technically, a horizontal semi-transparent mirror is used to reflect 3D images produced by a stereoscopic screen, while the user's hand as well as a multitouch screen located below this mirror remain visible. By registering the 3D virtual space and the physical space, we produce a rich and unified workspace where users benefit simultaneously from the advantages of both direct and indirect interaction, and from 2D and 3D visualizations. A pilot usability study shows that this combination of technology provides a good user experience.

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

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